November 01 News Headlines

These are radiology news updates from other sites

November 30, 2001   Radiographic evaluation of posterolateral lumbar fusion for degenerative spondylolisthesis: long-term follow-up of more than 10 years vs. midterm follow-up of 2-5 years - Neurosurgical Review In most of the ten patients, radiographic evaluation demonstrated solid fusion, minimal degenerative changes, and preservation of lumbar lordosis and spinal mobility. Posterolateral lumbar fusion for degenerative spondylolisthesis in the lumbar spine seems promising for obtaining not only good radiographic features but also good clinical results lasting over more than 10 years...   Relation between in vivo and in vitro measurements of skeletal muscle oxidative metabolism - Muscle & Nerve These results support the use of MRS to determine mitochondrial function in vivo... November 29, 2001   Satoyoshi Syndrome - Pediatric Dermatology Satoyoshi syndrome is a very rare disorder of unknown etiology, characterized by progressive, intermittent, painful muscle spasms, alopecia universalis, diarrhea or unusual malabsorption, various endocrine disorders, and secondary skeletal abnormalities. This report describes a 9-year-old Thai girl who developed alopecia universalis when she was 6 years old. At age 7 years, she began to have recurrent, painful muscle spasms. The spasms progressed in time, producing recurrent patella dislocation. The laboratory investigations and radiologic study were compatible with Satoyoshi syndrome. She was treated with oral corticosteroid therapy, with marked improvement of her muscle spasms and alopecia. She underwent corrective surgery for deformities of both knees with a normal healing process...   A computational model of postoperative knee kinematics  - Medical Image Analysis The model considered here takes into consideration the geometry of the prosthesis and patient-specific information. This model can be used to study the kinematics of the knee joint of a patient after total joint replacement. The model may be useful in preoperative planning, computer-aided intraoperative guidance, and the design of new prosthetic joints...   Lethal Prenatal Onset Infantile Cortical Hyperostosis (Caffey Disease) - Pathology Currently, in the absence of a specific marker, diagnostic ultrasound offers the only prospect of prenatal diagnosis. This diagnosis should be considered in infants with short angulated long bones, where the diaphyses are irregular and echodense, and where there is no sign of fractures...   Magnetic resonance: magic angle imaging of the Achilles tendon - The Lancet (from Cardiosource) We have used this approach to establish tendon relaxation times and magnetisation transfer ratios and to show contrast enhancement. We have also shown more detail of acute and chronic tendon rupture by this method compared with images made with the tendon parallel to the static magnetic field...     November 28, 2001   Primary hydatid disease of the femur: unsuspected and incidental MRI findings with long-term curative results on medical treatment alone - Skeletal Radiology As far as we know, this is the first report of the early MRI findings and long-term outcome of medical treatment in primary hydatid disease of the femur in this age group...   Hypertrophic pulmonary osteoarthropathy without clubbing of the digits - Skeletal Radiology We report two patients with intra-thoracic malignancy in whom HOA, demonstrated on bone scintigraphy, developed in the absence of clubbing. We also report the novel observation of involvement of the metatarsal and metacarpal bones by HOA...   Delayed presentation of pseudoaneurysm complicating closed humeral fracture: MR diagnosis - Skeletal Radiology We describe two patients who developed unsuspected pseudoaneurysms following closed humeral fracture. Both patients presented with a mass, suspicious for malignancy. In each case, diagnosis was made by magnetic resonance imaging...   Unilateral osteonecrosis in a patient with bilateral os centrale carpi: imaging findings - Skeletal Radiology We report on the imaging findings of a rare case of unilateral osteonecrosis in a patient with bilateral os centrale carpi. The differential diagnosis of this entity and the suggested etiology for the development of osteonecrosis are discussed...   Dynamic contrast-enhanced MR imaging and MR-guided bone biopsy on a 0.23 T open imager - Skeletal Radiology Conclusion: MR-guided bone biopsies combined with dynamic contrast-enhanced imaging are feasible and safe for the diagnostic investigation of equivocal bone lesions...   Ultrasound of the elbow - Skeletal Radiology Key advantages of this technique include cost-effectiveness, availability and ability to perform a dynamic examination...   Ultrasound-guided skeletal biopsies - Skeletal Radiology Conclusions: Ultrasound is a highly accurate and safe method of guidance in percutaneous biopsy of bone lesions, either lytic or sclerotic , because it can identify subtle changes in the cortical and the associated soft tissue component...   Noncontrast MR imaging and MR arthrography of the ulnar collateral ligament of the elbow: prospective evaluation of two-dimensional pulse sequences for detection of complete tears - Skeletal Radiology Conclusions: Of the MR imaging pulse sequences tested, MRAr showed the greatest ability to identify complete ligamentous injuries with good agreement between readers and had the highest subjective preference for lesion conspicuity. However, HRPD had the least interobserver variability and the highest subjective preference for overall image quality...   Assessment of ulnar variance: a radiological investigation in a Dutch population - Skeletal Radiology The percentage ulnar variance greater than 1 mm on standard radiographs increased from 23% to 58% using the digitizer, with maximum grip, clearly demonstrating the (dynamic) effect of grip on ulnar variance. This almost threefold increase was found to be a significant difference. Significant differences were found between ulnar variance when different wrist positions were compared...   Peripheral nerve ectopic meningioma at the elbow joint - Skeletal Radiology A rare peripheral ectopic meningioma of the nerve in the elbow region is discussed. The clinical, radiological, surgical and pathological findings are reviewed...   November 27, 2001 MR imaging of synovial tumors and tumor-like lesions - European Radiology Our goal is to review the MR features of pigmented villonodular synovitis, giant-cell tumor of the tendon sheath, synovial chondromatosis, synovial hemangioma, lipoma arborescens, synovial cysts and synovial sarcoma, emphasizing those findings that suggest a specific diagnosis...   Infant shoulder sonography: technique, anatomy, and pathology - Pediatric Radiology Conclusion: Ultrasound can be used successfully to evaluate the infant shoulder for instability, fracture, and infection...   Imaging of malignant infantile osteopetrosis before and after bone marrow transplantation - Pediatric Radiology Conclusions: Radiological improvement was apparent within 2 months of successful engraftment with almost complete resolution of abnormalities after 1 year. Studies in two children who are, respectively, 58 and 83 months post-transplant show complete resolution of all bone changes...   Chondroblastoma of the lumbar vertebra - Skeletal Radiology Chondroblastoma of the vertebra is a very rare condition. To our knowledge fewer than 20 cases have been reported in the world literature. We report a 54-year-old man with chondroblastoma of the fifth lumbar vertebra...   An MRI-based semiautomated volumetric quantification of hip osteonecrosis - Skeletal Radiology Conclusion: The methodology presented here has proven a reliable and straightforward imaging tool for precise assessment of necrotic lesions. It also enables us to target accurately the drilling and grafting procedures...   Patellar tendon-lateral femoral condyle friction syndrome: MR imaging in 42 patients - Skeletal Radiology Conclusion: In evaluating anterior knee symptoms, MR imaging allows identification of changes that may be related to patellar tendon-lateral femoral condyle friction syndrome and that should be distinguished from other causes of anterior or lateral knee pain...   Giant notochordal hamartoma of intraosseous origin: a newly reported benign entity to be distinguished from chordoma. Report of two cases - Skeletal Radiology The clinical, radiological and histologic criteria that can be used to distinguish these two entities are emphasized. Included is a proposed pathogenesis for this lesion, its probable notochordal origin, and a review of other probable cases...   Chondromyxoid fibroma of the metacarpal - Skeletal Radiology This report describes a chondromyxoid fibroma which developed in the distal part of the second metacarpal of a 12-year-old girl. The tumor is rare, perhaps the rarest of all bone tumors, and the occurrence in a metacarpal of a young female is extraordinarily uncommon...   What happens to the triangular fibrocartilage complex during pronation and supination of the forearm? Analysis of its morphology and diagnostic assessment with MR arthrography - Skeletal Radiology Conclusion: The articular disc and the surrounding radial portions of the radioulnar ligaments form a rigid, unified complex with the radius without change in their shape in positions of pronation and supination of the forearm, while the ulnar attachment of the TFCC shows important dynamic changes. The neutral forearm position is the best position to analyze both the normal and the abnormal TFCC...   Humeral avulsion of the anterior band of the inferior glenohumeral ligament with associated subscapularis bony avulsion in skeletally immature patients - Skeletal Radiology Conclusion: MR imaging was able to diagnose correctly this atypical injury complex which had not been suspected clinically or on the radiographs...   November 26, 2001   Paediatric ultrasound. Part 2: Other applications - European Radiology In the paediatric age group, the most common application of US to the musculoskeletal system is the evaluation of the infant hip in the first 6 months of life; however, the refinement of new transducers has further improved the ability of US equipment to evaluate a variety of other musculoskeletal disorders in children, involving tendons, muscles, nerves as well as soft tissue masses. ...   Correlation of Diffusion in Lumbar Intervertebral Disks with Occlusion of Lumbar Arteries: A Study in Adult Volunteers - Radiology Impaired flow in lumbar arteries is significantly associated with decreased diffusion in lumbar disks and may play an important role in disk degeneration...   Intramedullary High Signal Intensity on T2-Weighted MR Images in Cervical Spondylotic Myelopathy: Prediction of Prognosis with Type of Intensity - Radiology Type 1 intramedullary high SI on T2-weighted MR images indicates a better surgical outcome than does type 2...   Apparent diffusion coefficients and T2 relaxation time measurements to evaluate disc degeneration - Acta Radiologica Conclusion: We suggest that decreased ADC values reflect the lost integrity of the intervertebral disc. ADC measurements at MR may prove sensitive depicting of early degenerative changes in vertebral discs...   Spinal dural AV fistula mimicking a vertebral neoplasm - Acta Radiologica A middle-aged man with spinal dural arteriovenous fistula mimicking a vertebral neoplasm of Th11 is described. CT and MR imaging revealed the rare case of extensive vertebral destruction of Th11...   Digital skeletal radiography - Acta Radiologica Conclusion: Energy imparted was reduced by 20–30% using the modified technique with increased kV. All images were considered of accurate quality for diagnosis and the difference in image quality score was marginal. There was, however, a significant shift towards lower grades for the "high kV" technique using visual grading analysis...   Multiplanar Reconstructions and Three-dimensional Imaging (Computed Rotational Osteography) of Complex Fractures by Using a C-arm System: Initial Results - Radiology Multiplanar reconstruction and three-dimensional images of complex fractures were reconstructed and compared with spiral computed tomographic studies in a cadaveric pig study and in eight patients. Computed rotational osteography provided high-resolution multiplanar reconstruction and three-dimensional images of complex fractures...   Low-intensity pulsed ultrasound effective for nonhealing fractures - Drug Topics Mounting evidence indicates that low-intensity pulsed ultrasound leads to successful healing of most long-standing fractures that fail to heal despite surgical intervention ...   Spondylolysis and spondylolisthesis in the pediatric and adolescent population - Child's Nervous System Although the CT scan is the most accurate examination, MRI is becoming important for diagnosis because of the frequency with which it is used as a primary investigation method. Depending on patient age, progression, degree of slippage, and symptoms, different therapeutic approaches have been proposed and are described in this paper...   Symptomatic intraspinal synovial cysts of the lumbar spine: correlation of MR and surgical findings - Neuroradiology These findings may support the theory that increased segmental motion plays a role in the pathogenesis of synovial cysts... November 23, 2001   Using CT of the Cervical Spine for Early Evaluation of Pediatric Patients with Head Trauma - American Journal of Roentgenology The number of repeated radiographs required to ascertain that the cervical spine is free of injury after suspected head trauma is significantly fewer when initial CT of the neck is performed at the time of head CT examination. Including cervical spine CT in trauma protocols for subgroups of children with head injuries may lead to more effective clearance of the pediatric cervical spine...   Detection of Porcine Bone Lesions and Fissures - American Journal of Roentgenology Compared with analog film-screen systems, the lower spatial resolution of the digital selenium and digital luminescence radiography systems does not affect detectability of fissures and bone lesions in porcine bone. Selenium is effective in skeletal radiography for detecting fissures and bone lesions. With digital selenium and digital luminescence radiography, the surface dose can be cut to half that required for 200-speed film-screen systems without losing any diagnostically relevant information...   Focal Radial Styloid Abnormality as a Manifestation of de Quervain Tenosynovitis - American Journal of Roentgenology Focal radial styloid abnormality is an indicator of de Quervain stenosing tenosynovitis of the wrist...   Intraarticular Osteoid Osteoma - American Journal of Roentgenology The sonographic findings of painful cortical irregularity and focal synovitis should raise the possibility of intraarticular osteoid osteoma, prompting the search for characteristic findings on correlative imaging studies...   Elbow Synovial Fold Syndrome - American Journal of Roentgenology A synovial fold extending from the posterior fat pad in the elbow is a frequent finding on MR imaging. In a subgroup of patients, plicae, when thickened, may present clinically as a locking elbow. However, overlap exists between the thicknesses of symptomatic and asymptomatic plicae...   Three-Point Dixon Chemical-Shift Imaging for Evaluating Articular Cartilage Defects in the Knee Joint on a Low-Field-Strength Open Magnet - American Journal of Roentgenology The modified three-point Dixon sequence is a useful technique for achieving fat suppression in the knee joint on a 0.35-T open magnet. It is a sensitive and specific technique for the assessment of cartilage abnormalities in the knee...   November 21, 2001   Cost-Effectiveness of Immediate MR Imaging Versus Traditional Follow-Up for Revealing Radiographically Occult Scaphoid Fractures - American Journal of Roentgenology Cost analysis at our institution suggests the two protocols are nearly equivalent from a financial standpoint. The loss of productivity for patients who are unnecessarily in casts or splints may be substantial. Screening MR imaging of the wrist in this setting is becoming accepted at our institution in a manner similar to screening MR imaging of the hip...   Imaging of finger joints in a whole-body MR system using a simple and low-cost solenoidal coil - Journal of Magnetic Resonance Imaging The coil resembles an oversized ring, and easily fits fingers that are spread. An experimental demonstration of the proposed approach is given by imaging the proximal interphalangeal joint in healthy volunteers using a 2.5-cm field of view (FOV). Spin-echo and gradient-recalled-echo T1-weighted sequences, and a 3D spoiled-gradient-echo sequence were used...   Evaluation of the rotator cuff and glenoid labrum using a 0.2-Tesla extremity magnetic resonance (MR) system: MR results compared to surgical findings - Journal of Magnetic Resonance Imaging The findings indicated that there was good agreement comparing the MR results obtained using the low-field extremity MR system to the surgical findings for determination of lesions of the rotator cuff and glenoid labrum. Notably, the statistical values determined for the use of this MR system were comparable to those reported in the peer-reviewed literature for the use of whole-body, mid-and high-field-strength MR systems...   MR imaging assumes primary role in evaluation of foot and ankle - Diagnostic Imaging Our understanding of the normal and pathologic relationships of the soft-tissue and osseous structures of the foot and ankle has grown tremendously through the use of MR... November 20, 2001   Measuring Skeletal Changes with Calcaneal Ultrasound Imaging in Healthy Children and Adults: The Influence of Size and Location of the Region of Interest - Osteoporosis International Our results indicate that calcaneal ultrasound imaging may be useful for measuring skeletal changes in healthy children, especially with BUA, and in postmenopausal women with BUA and SOS using an automatic measurement in the region of lowest attenuation. ROI diameters of 12 mm should be used in prepubertal subjects and of 14 mm in pubertal/adolescent and adult subjects...   Estimation of Bone Mineral Density by Digital X-ray Radiogrammetry: Theoretical Background and Clinical Testing - Osteoporosis International It is concluded that the DXR method offers a BMD estimate with a good correlation with distal forearm BMD, a low variation between geographical sites and a precision that potentially allows for relatively short observation intervals...   A Statistical Method to Minimize Magnification Errors in Serial Vertebral Radiographs - Osteoporosis International It is concluded that correcting for magnification differences using the statistical method outlined here reduces the number of false positive deformities very substantially and by a similar extent as correcting the magnification using reliable, measured spine-film and film-focus distances. A further advantage of this method is that it can be used retrospectively...   Vertebral Wedge Angle Measured by Morphometric X-ray Absorptiometry - Osteoporosis International The results of this analysis do not provide strong evidence for the preferential use of the wedge angle approach...   Ankylosing Spondylitis with pseudarthrosis of the thoracic spine - Applied Radiology Two days after the MRI was obtained, the neurological surgery service requested a myelogram of the thoracic spine (figure 2) for further elucidation of the lesion that was demonstrated on MR imaging...   knee: Dislocation of the polyethylene inlay due to anterior tibial slope in revision total knee arthroplasty - Knee Surgery, Sports Traumatology, Arthroscopy The mechanisms causing tibial inlays to dislocate in TKA are analyzed and discussed...   Medial Patellofemoral Ligament Injury Following Acute Transient Dislocation of the Patella: MR Findings with Surgical Correlation in 14 Patients - Journal of Computer Assisted Tomography Conclusion: MRI accurately depicts both the extent and the location of MPFL injury following transient patellar dislocation and can therefore play a significant role in directing surgical management of these patients... November 19th   Gd-DTPA2-enhanced MRI of femoral knee cartilage: A dose-response study in healthy volunteers - Magnetic Resonance in Medicine Results suggest that the triple dose is needed to detect minor cartilage matrix differences...   Design of Thoracolumbosacral Orthosis (TLSO) Braces Using CT/MR - Journal of Computer Assisted Tomography This article presents an alternative method for data acquisition of TLSO patients' anatomic dimensions using CT/MRI. The experimental results show the method to be statistically accurate, efficient, and feasible compared with the conventional casting method...   Stress Fractures Associated with Plantar Fascia Disruption: Two Case Reports Involving the Cuboid - Journal of Computer Assisted Tomography Stress fractures involving the cuboid are rare. We have encountered two patients who developed this abnormality as a complication of disruption of the plantar fascia, which likely produced lateral destabilization of the midfoot...   November 16, 2001   Practical musculoskeletal extremity MR imaging protocols - Applied Radiology With proper planning and technique, a complete musculoskeletal magnetic resonance examination can be accomplished with three pulse sequences. The efficient protocols presented in this article reduce time and costs, while addressing specific areas of concern and the suspected pathology...   Gout: The radiology and clinical manifestations - Applied Radiology This article provides a concise review of gout and its clinical and radiographic manifestations, especially those seen in the musculoskeletal system, and their differential diagnosis. It also includes a succinct discussion of the current management options...   Synovial Osteochondromatosis Presenting as a Mass in the Buttock - Clinical Nuclear Medicine Findings of radiologic and scintigraphic imaging were consistent with synovial osteochondromatosis. The patient underwent arthrotomy and excision of the large mass and several smaller masses to control pain and to identify possible malignant change...   Comparison of Tc-99m Methylene Diphosphonate, Tc-99m Human Immune Globulin, and Tc-99m–Labeled White Blood Cell Scintigraphy in the Diabetic Foot - Clinical Nuclear Medicine Conclusions: These results show that four-phase bone scintigraphy with early Tc-99m WBC scanning is preferred for detecting osteomyelitis of the diabetic foot. To evaluate the response to therapy, Tc-99m WBC scans are the preferred method, but if this is not available, Tc-99m HIG scanning can be used...   Bone and Tl-201 Scintigraphy in a Case of Hereditary Multiple Exostoses - Clinical Nuclear Medicine The lesion was resected and the histopathologic diagnosis was osteochondroma. Negative findings of Tl-201 scintigraphy may not exclude the possibility of chondrosarcoma, and the utility of this method may be limited. However, Tl-201 scintigraphy appears to have a useful role in differentiating malignant transformation from benign osteochondroma in hereditary multiple exostoses...   Magnetic Resonance Imaging of Reconstructed Anterior Cruciate Ligament - Clinical Orthopedics and Related Research Conclusion: This shows the value of the oblique axial image in evaluating the integrity of the reconstructed anterior cruciate ligament. Also, sufficient notchplasty in anterior cruciate ligament reconstruction may be needed to prevent graft impingement...   Dynamic Magnetic Resonance Imaging of Femoral Head Perfusion in Femoral Neck Fracture - Clinical Orthopedics and Related Research The current classification of femoral neck fractures using dynamic magnetic resonance imaging may be useful in selecting an appropriate treatment method for the fractures... November 16, 2001   Radiographic osteoarthritis of the hip joint in Turkey - Rheumatology International These findings suggest that K&L grade 2 OA changes emphasizing osteophytes at hip joints are not uncommon in the Turkish population, especially among those aged 40 years and older. However, frequency of moderate or severe radiographic hip OA may be low...   Practical musculoskeletal extremity MR imaging protocols - Applied Radiology With proper planning and technique, a complete musculoskeletal magnetic resonance examination can be accomplished with three pulse sequences. The efficient protocols presented in this article reduce time and costs, while addressing specific areas of concern and the suspected pathology...   Gout: The radiology and clinical manifestations - Applied Radiology This article provides a concise review of gout and its clinical and radiographic manifestations, especially those seen in the musculoskeletal system, and their differential diagnosis. It also includes a succinct discussion of the current management options...   Synovial Osteochondromatosis Presenting as a Mass in the Buttock - Clinical Nuclear Medicine Findings of radiologic and scintigraphic imaging were consistent with synovial osteochondromatosis. The patient underwent arthrotomy and excision of the large mass and several smaller masses to control pain and to identify possible malignant change...   Comparison of Tc-99m Methylene Diphosphonate, Tc-99m Human Immune Globulin, and Tc-99m–Labeled White Blood Cell Scintigraphy in the Diabetic Foot - Clinical Nuclear Medicine Conclusions: These results show that four-phase bone scintigraphy with early Tc-99m WBC scanning is preferred for detecting osteomyelitis of the diabetic foot. To evaluate the response to therapy, Tc-99m WBC scans are the preferred method, but if this is not available, Tc-99m HIG scanning can be used...   Bone and Tl-201 Scintigraphy in a Case of Hereditary Multiple Exostoses - Clinical Nuclear Medicine The lesion was resected and the histopathologic diagnosis was osteochondroma. Negative findings of Tl-201 scintigraphy may not exclude the possibility of chondrosarcoma, and the utility of this method may be limited. However, Tl-201 scintigraphy appears to have a useful role in differentiating malignant transformation from benign osteochondroma in hereditary multiple exostoses...   Dynamic Magnetic Resonance Imaging of Femoral Head Perfusion in Femoral Neck Fracture - Clinical Orthopedics and Related Research The current classification of femoral neck fractures using dynamic magnetic resonance imaging may be useful in selecting an appropriate treatment method for the fractures...   Magnetic Resonance Imaging of Reconstructed Anterior Cruciate Ligament - Clinical Orthopedics and Related Research Conclusion: This shows the value of the oblique axial image in evaluating the integrity of the reconstructed anterior cruciate ligament. Also, sufficient notchplasty in anterior cruciate ligament reconstruction may be needed to prevent graft impingement...   Stress fracture of the ulna in a professional tennis player using a double-handed backhand stroke - Knee Surgery, Sports Traumatology, Arthroscopy We report such a case in a 24-year-old tennis player, with special emphasis on diagnostic imaging, accurate grading of the injury, and specific treatment recommendations...   Neovascularisation in Achilles tendons with painful tendinosis but not in normal tendons: an ultrasonographic investigation - Knee Surgery, Sports Traumatology, Arthroscopy In tendons with advanced changes, vessels were seen through the entire widened part of the tendons, and both arterial and venous blood flows were registered. The neovascularisation found in this investigation might have implications on the pathogenesis of chronic Achilles tendinosis... November 13, 2001   Forefoot Pain Involving the Metatarsal Region: Differential Diagnosis with MR Imaging - Radiographics Radiologists should be familiar with the differential diagnosis and MR imaging features of disorders that can produce discomfort in this region...   Visualization of denervated muscle by gadolinium-enhanced MRI - Neurology Thus, Gd-enhanced MRI is a new and sensitive technique to visualize denervated muscle...   November 12, 2001   Should an MR scan be performed routinely after a normal clearance CT scan in the trauma patient? Experience with 59 cases - Emergency Radiology In order to determine the frequency and types of soft tissue injuries detected by MR imaging but not by computed tomography (CT), we performed a retrospective investigation comparing the MR findings in 59 trauma patients, either alert or unconscious, who previously had undergone a negative clearance multislice CT study of the cervical spine...   Can CT eliminate the initial portable lateral cervical spine radiograph in the multiple trauma patient? A review of 200 cases - Emergency Radiology Conclusion: The data suggest that an initial LPCSR is unnecessary if the patient is having a screening CSCT...   The frozen shoulder. Arthroscopy, histological findings and transmission electron microscopy imaging - Der Chirurg Conclusion: In stage of the primary frozen shoulder exclusive fibrosis of the joint capsule was found. Electronmicroscopic twists of collagen fibrills were marked...   November 09, 2001   Reversal of abnormal lymphoscintigraphy after placement of venous stents for correction of associated venous obstruction - Journal of Vascular Surgery Conclusion: These findings suggest that patients with a diagnosis of lymphedema made on the basis of lymphoscintigraphy alone and consigned to conservative therapy on that basis may benefit from additional venous investigations regardless of clinical presentation suggestive of lymphedema. This report supports the practice of aggressively searching for a venous basis of edema in these patients. Correction of the venous lesion may result in normalization or improvement of the lymphoscintigraphic abnormality and in any case may yield significant symptom relief, even in some limbs where the lymphoscintigraphic abnormality failed to improve after placement of venous stent...   Buschke-Ollendorff syndrome: early, unilateral and pronounced involvement may be explained as a type 2 segmental manifestation - European Journal of Dermatology The diagnosis of Buschke-Ollendorff syndrome was confirmed by X-ray examination revealing osteopoikilosis of the right hand and the right foot. The authors emphasize that such early onset of cutaneous and bony lesions of the disorder is quite unusual...   Outcome of fetal talipes following in utero sonographic diagnosis - Ultrasound in Obstetrics and Gynecology Conclusion: This study provides long-term outcome data which can be used to complement current prenatal counseling and shows that in cases of fetal talipes diagnosed prenatally, 90% have a structural rather than a positional deformity. For isolated talipes three quarters of children will require surgery and in the majority of cases only one operation on the foot is necessary. Parents should be made aware of the small possibility of a false-positive diagnosis and discrepancy between the ultrasound and postnatal diagnoses of laterality...   The diagnostic value of bone scan in patients with renal cell carcinoma - Journal of Urology Conclusions: Bone scan may be omitted in patients with stages T1-3aN0M0 tumors and no bone pain because of the low proportion of missed cases with bone metastasis... November 08, 2001   Magnetic resonance imaging and miniarthroscopy of metacarpophalangeal joints: Sensitive detection of morphologic changes in rheumatoid arthritis - Arthritis & Rheumatism Conclusion: In RA, both MRI and MA findings support early detection and staging of synovial changes. Ongoing longitudinal studies are aimed at evaluating the value of synovial proliferation as visualized by both methods ...   November 07, 2001   Roentgenographic Findings in the Cervical Spine in Asymptomatic Persons - Spine Conclusion: With age, there is an increase in the number of subluxations and the incidence and severity of degenerative changes. Pain is more likely to develop in persons with degenerative changes at C6–C7...   Whiplash Injury Determination With Conventional Spine Imaging and Cryomicrotomy - Spine Conclusions: These results clearly indicate that a single application of whiplash acceleration pulse can induce soft tissue–related and ligament-related alterations to cervical spine structures. The pathologic changes identified in this study support previous observations from human volunteers observations with regard to the location of whiplash injury and may assist in the explanation of pain arising from this injury. Although computed tomography is a better imaging modality than radiography, subtle but clinically relevant injuries may be left undiagnosed with this technique. The cryomicrotome technique offers a unique procedure to understand and compare soft tissue–related injuries to the cervical anatomy caused by whiplash loading. Recognition of these injuries may advance the general knowledge of the whiplash disorder...   November 06, 2001   An unusual early complication of fracture. Separation of the distal humeral epiphysis - European Journal of Orthopaedic Surgery & Traumatology A fracture separation of the distal humeral epiphysis, a rare injury can result in an extensive periosteal new bone formation around the humeral metaphysis due to extensive periosteal stripping, if an early and appropriate diagnosis is not established. A case with a rapid bone formation after such an injury is presented...   Longitudinal fracture of the sacrum - European Journal of Orthopaedic Surgery & Traumatology A longitudinal fracture of the sacrum without an associated neurological deficit was described. A 47-year-old man was involved in a motor vehicle crash, suffering from multiple injures including a vertical displaced fracture of the sacrum unassociated with neurological deficit, fracture of the pelvis, and second lumbar burst fracture...   Difference of the roentgenographic findings between recent and old cementless total hip arthroplasty femoral component - European Journal of Orthopaedic Surgery & Traumatology It is concluded that the press-fit design does not prevent stress shielding completely...   Arthroscopic partial lateral meniscectomy in an otherwise normal knee: Clinical, functional, and radiographic results of a long-term follow-up study - Arthroscopy Conclusion: Although deterioration of functional and especially radiographic results occurred after arthroscopic partial lateral meniscectomy, the number of good results, even with mean follow-up of 12.3 years, is remarkable. There was a high percentage of radiographic changes in our study, but there is no significant correlation between them and subjective symptoms or between them and functional outcome. We believe that careful meniscectomy provides good results for a long period of time but, the longer the follow-up, the more radiographic changes have to be expected; when meniscal refixation is possible, it should be performed...   Lipoma arborescens of the shoulder joint: distinctive magnetic resonance imaging appearance - European Journal of Orthopaedic Surgery & Traumatology We report a case of lipoma arborescens of the shoulder joint in a 77-year-old woman. Lipoma arborescens of the shoulder joint is seldom seen, compared to that of the knee. Its rarity in a shoulder is discussed. Radiographic examination especially magnetic resonance (MR) imaging is also demonstrated and investigated...   Imaging of Human Infection with 131I-Labeled Recombinant Human Interleukin-8 - The Journal of Nuclear Medicine Conclusion: 131I-rhIL-8 accumulates rapidly within infected foci in osteomyelitis and cellulitis but not in successfully treated infections or degenerative joint disease November 05, 2001   Functional status of the hand after radial artery harvesting: results in 3,977 cases - Annals of Thoracic Surgery Conclusions: Use of radial artery for coronary artery bypass grafting is associated with low morbidity and good functional outcome of the hand. It can be used more frequently as the conduit of choice after the internal mammary artery...     Trauma to the thoracic and lumbar spine in the adolescent - Canadian Journal of Surgery This review describes thoracolumbar fractures in adolescents with respect to epidemiology, anatomy,mechanisms of injury, clinical and radiologic assessment, and nonoperative and operative treatment. The treatment of these injuries follows many of the same principles as spinal fractures in adults but nonoperative treatment is used more frequently because there is less spinal instability and better tolerance of bedrest and spinal immobilization in this young population...     Musculoskeletal images. Ganglion cyst of Guyon’s canal causing ulnar nerve compression - Canadian Journal of Surgery A 48-year-old man presented complaining of pain in the right little finger for 2 months, associated with clawing and paresthesia in the ring and little fingers. Physical examination revealed muscular wasting of the interossei and the hypothenar eminence, and grade M3 (MRC classification) weakness isolated to the ulnar-innervated intrinsic muscles of the hand. Sensory function in the hand was normal ...   3-D renderings find role in musculoskeletal pathology studies - Diagnostic Imaging CT has always played a prominent role in the evaluation of musculoskeletal pathology. With the advent of spiral CT and, most recently, multidetector row CT (MDCT), the data sets available for image analysis and for postprocessing and display have unprecedented image resolution and detail. Concurrent with this advance is the development of postprocessing techniques, especially three-dimensional volume rendering...   Imaging use grows as osteoporosis treatment becomes common - Diagnostic Imaging Osteoporosis is no longer regarded as a disease only of postmenopausal women, and it is no longer an accepted consequence of aging. While the National Institutes of Health consensus development panel on osteoporosis prevention, diagnosis, and therapy reported that the condition is a major health threat, it added that it is no longer considered age- or sex-dependent and described it as largely preventable...   November 02, 2001   Plantar fibromatosis: Most common sonographic appearance and variations - Journal of Clinical Ultrasound The lesions of plantar fibromatosis were characteristically located on the surface of the plantar fascia, sagittally elongated, most often less than 20 mm long, fusiform, and hypoechoic. Lesions longer than 10 mm often exhibited mixed echogenicity. The superficial location and appearance should strongly suggest plantar fibromatosis, although careful examination is required to exclude other possibilities, such as sarcoma November 01, 2001   Radiographic Damage in Rheumatoid Arthritis Correlates with Functional Disability But Not Direct Medical Costs - Journal of Rheumatology Conclusion: A clinically meaningful association exists between radiographic damage and self-reported functional disability, suggesting that interventions that slow radiographic progression may improve the patient's health status. Such a relationship was not observed between radiographic damage and direct medical costs...   US criteria may reduce unnecessary spine radiography in trauma patients - The Lancet (from Cardiosource) US researchers have devised new criteria that could reduce the use of cervical spine (C-spine) radiography. Currently only 2% of the C-spine radiographs done on blunt trauma patients with potential cervical spine injury are positive—which means that 98% of radiographs of this type could be avoided...