October 2006 News Headlines

These are radiology news updates from other sites

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Date this page was last updated: 01/07/2007 03:02:52 PM

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October 31, 2006

A segmental radiological study of the spine and rib - cage in children with progressive Infantile Idiopathic Scoliosis
BMC Musculoskeletal Disorders
Theodoros B Grivas, et al. - Conclusions: The IIS thorax is narrower than that of the controls, the upper chest is funnel-shaped and there is a predictive value of vertebral rotation at the upper limit of the thoracic curve of IIS which reflects impaired rib control of spinal rotation possibly due to neuromuscular factors which contribute also to the funnel-shaped chest...



October 27, 2006

Calf Muscles Imaged at BOLD MR: Correlation with TcPO2 and Flowmetry Measurements during Ischemia and Reactive Hyperemia-Initial Experience
Hans Peter Ledermann, MD, et al. - The objective is to prospectively compare the blood oxygen level?dependent (BOLD) magnetic resonance (MR) signal intensity of calf muscle during ischemia and reactive hyperemia with laser Doppler flowmetry (LDF) and transcutaneous oxygen pressure (TcPO2) measurements, two parameters routinely used to evaluate peripheral arterial occlusive disease...


US Appearance of the Rotator Cable with Histologic Correlation: Preliminary Results
Yoav Morag, MD, et al. - The objective is to characterize the ultrasonographic (US) appearance of the rotator cuff cable in asymptomatic shoulders and in cadaveric specimens, with histologic comparison for the latter...Conclusion: The rotator cable can be depicted with US...

Multiple cavitating masses in an immunocompromised host with rheumatoid arthritis-related interstitial lung disease: an unusual expression of cytomegalovirus pneumonitis
British Journal of Radiology
A P Ayyappan, MD, et al. - Cytomegalovirus is a known opportunistic infection in immunocompromised individuals. We document multiple cavitating lung masses caused by cytomegalovirus in a patient with rheumatoid arthritis-induced interstitial lung disease on immunosuppressant medication, an unusual expression of CMV pneumonitis...

Magnetic resonance imaging characteristics of temporomandibular joint pain during opening and biting in patients with disc displacement
Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics
Ichiro Ogura DDS, PhD, et al. - The purpose of this study was to evaluate the magnetic resonance (MR) imaging characteristic of temporomandibular joint (TMJ) pain during opening and biting in patients with disk displacement...Conclusion: The results suggest that TMJ pain during opening and biting is related to disk displacement without reduction and TMJ fluid on MR images...

Ultrasound Measurements in the Management of Unstable Hips Treated With the Pavlik Harness: Reliability and Correlation With Outcome
Journal of Pediatric Orthopaedics
Gwynne Jones, David P. MA, FRACS (Orth), et al. - The purposes of this study were to determine the interobserver and intraobserver reliability of ultrasound measurements in unstable neonatal hips treated with the Pavlik harness and to determine whether ultrasound measurements correlate with radiological outcome at 6 months...We recommend the FHC as being reproducible, useful, and predictive of outcome in neonatal hips treated for instability...


October 25, 2006

Power Doppler Ultrasound in Musculoskeletal Disease: A Systematic Review
Seminars in Arthritis and Rheumatism
Fredrick Joshua MBBS, FRACP, et al. - Conclusions: Although the majority of research reports of power Doppler ultrasound assessment of the musculoskeletal system evaluated validity, less than half reported reliability and responsiveness. Further work is needed to evaluate power Doppler ultrasound assessment of the musculoskeletal system before it can be used to guide clinical decisions or be used as an endpoint in clinical trials...


October 24, 2006

Comparison Between High-Resolution MRI With a Microscopy Coil and Arthroscopy in Triangular Fibrocartilage Complex Injury
Journal of Hand Surgery
Toshikazu Tanaka MD, et al. - Conclusions: High-resolution MRI using a microscopy surface coil allowed assessment of each TFCC component and showed a higher accuracy for diagnosing injuries to the radial attachment and the disc of the TFC compared with previous studies. High-resolution MRI, however, was not able to diagnose DRUL, PRUL, or ulnolunate ligament injuries accurately...

Prevalence and Location of Acetabular Sublabral Sulci at Hip Arthroscopy with Retrospective MRI Review
American Journal of Roentgenology
Daniel Saddik, et al. - Conclusion: Sulci of the hip exist (22% of patients) and can be found at all anatomic positions (i.e., anterosuperior, anteroinferior, posterosuperior, and posteroinferior) of the hip. These sulci can be visualized on MRI with an accuracy of 70% using a nongadolinium technique...

MRI of Osteochondral Defects of the Lateral Femoral Condyle: Incidence and Pattern of Injury After Transient Lateral Dislocation of the Patella
American Journal of Roentgenology
Timothy G. Sanders, et al. - Conclusion: Osteochondral defects of the lateral femoral condyle are a common sequela after transient lateral patellar dislocation. A significant number of osteochondral injuries involve the midlateral weight-bearing portion of the lateral femoral condyle and are more posterior than would be expected after transient dislocation of the patella...



October 23, 2006

Extrasynovial ultrasound abnormalities in the psoriatic finger. Prospective comparative power-doppler study versus rheumatoid arthritis
Joint, Bone, Spine
Bernard Fournie, et al. - We prospectively compared power Doppler ultrasound findings in 25 fingers with rheumatoid arthritis (RA) and 25 fingers with psoriatic arthritis (PsA)...Our findings suggest that inflammation of the fibrous skeleton of the finger may lead to the clinical and radiological features that distinguish PsA from RA of the finger...


Incidence of Adjacent Vertebral Fractures in Patients Treated with Balloon Kyphoplasty: Two Years Prospective Follow up
Acta Radiologica
Pflugmacher, R., et al. - The objective is to evaluate the long?term outcomes of 37 patients with 60 osteoporotic vertebral fractures, located in the thoracic and lumbar spine, treated with balloon kyphoplasty...Conclusion: Balloon kyphoplasty is an effective, minimally invasive procedure for the stabilization of osteoporotic vertebral fractures, leading to a statistically significant reduction of pain status...

Contrast Enhanced Dynamic Magnetic Resonance Imaging of Finger Joints in Osteoarthritis and Rheumatoid Arthritis: An Analysis Based on Pharmacokinetic Modeling
Acta Radiologica
Kirkhus, E., et al. - The rate constant Kps showed the best separation between the groups with significantly higher values in the RA group compared to the OA group ( P <0.005) and in the OA group compared to the control group ( P <0.005). Significantly higher values of Kep were also found in the RA group compared with the OA group ( P <0.005). Conclusion: DCE MRI may provide useful information that can help differentiate synovitis in OA from synovitis in RA...

Different Radiological Findings with the Same Pathologic Diagnosis Due to Different Age in Primary Osteosarcoma
Acta Radiologica
Lee, S. Y., et al. - Conclusion: In older patients, primary osteosarcoma should be considered when making a differential diagnosis of osteolytic lesions without any periosteal reactions and small soft?tissue extensions. In cases with atypical findings, the morphology of specimens (aspiration, core, or surgical biopsy) from the lesion should be recommended when making an accurate diagnosis...


October 19, 2006

The Usefulness of Magnetic Resonance Imaging in the Diagnosis of Anterolateral Impingement of the Ankle
The Journal of Foot and Ankle Surgery
LCDR Doug Duncan MD, et al. - The purpose of this study is to assess the sensitivity and specificity of magnetic resonance imaging (MRI) in the diagnosis of anterolateral impingement of the ankle and to assess the most helpful sequence in making the diagnosis...MRI is a useful tool that can aid the clinician in the diagnosis of anterolateral impingement of the ankle. T1 sagittal images demonstrating displacement of the normal fat signal anterior to the fibula by scar can be useful and help to confirm the diagnosis...
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Carpal instability
European Radiology
R. Schmitt, et al. - This review addresses the pathoanatomical basics as well as the clinical and radiological presentation of instability patterns of the wrist. Carpal instability mostly follows an injury; however, other diseases, like CPPD arthropathy, can be associated...

Ultrasound-Guided Sclerosis of Neovessels in Painful Chronic Patellar Tendinopathy
American Journal of Sports Medicine
Aasne Hoksrud, et al. - Color Doppler ultrasound examination frequently reveals neovascularization in chronic painful Achilles and patellar tendinopathy...Conclusion: Sclerosing injections with polidocanol resulted in a significant improvement in knee function and reduced pain in patients with patellar tendinopathy...

Does marathon running cause acute lesions of the knee? Evaluation with magnetic resonance imaging
European Radiology
T. R. Bader, et al. - The evaluation of lesions of the knee with MRI shows that marathon running does not cause severe, acute lesions of cartilage, ligaments, or bone marrow of the knee in well-trained runners. Only subtle changes, such as joint effusions or increased intrameniscal signal alterations, were imaged after running a marathon...



October 18, 2006

MR assessment of the repaired rotator cuff: prevalence, size, location, and clinical relevance of tendon rerupture
European Radiology
J. M. Mellado, et al. - Complete repair of RCT of all sizes may have favorable outcomes in a significant proportion of patients in spite of a high prevalence of reruptures. Preoperative tear size and degree of muscle fatty degeneration influence the prevalence and rerupture size. After repair of supraspinatus tears, reruptures tend to invade the posterior aspect of the tendon...



Long-term Outcome After Posterolateral, Anterior, and Circumferential Fusion for High-Grade Isthmic Spondylolisthesis in Children and Adolescents: Magnetic Resonance Imaging Findings After Average of 17-Year Follow-up
Remes, Ville MD, PhD, et al. - Conclusions: The clinical outcome was best in the CF group as measured by ODI. Degenerative changes were most commonly found at the level of the slip and above the fusion level. The prevalence of disc prolapses was low. Spinal fusion for isthmic spondylolysis is not associated with central canal stenosis above the fusion. Radiologic nerve root stenosis was common but asymptomatic. Mild muscle atrophy was common...

Use of the sharp and larsen scoring methods in the assessment of radiographic progression in juvenile idiopathic arthritis
Arthritis Care and Research
Federica Rossi, et al. - To investigate the applicability of the Sharp and Larsen scoring methods for radiographic damage in juvenile idiopathic arthritis (JIA)...Conclusion: ur results demonstrate that the Sharp and Larsen scoring systems are potentially reliable and valid for assessment of radiographic progression in patients with polyarticular JIA...


October 16, 2006

Multi-site quantitative ultrasound compared to dual energy X-ray absorptiometry in rheumatoid arthritis: effects of body mass index and inflamed soft tissue on reproducibility
Rheumatology International
A. Pfeil, et al. - The objective of the study is to evaluate multi-site quantitative ultrasound (QUS) in comparison to dual energy X-ray absorptiometry (DXA) considering the effects of body mass index (BMI) and disease activity on measurements in patients suffering from rheumatoid arthritis (RA)...The application of multi-site QUS seems to be restricted for patients with active inflammation based on soft tissue alteration in RA and for healthy individuals with pronounced body mass...

Sensitivity of Routine 1.0-Tesla Magnetic Resonance Imaging Versus Arthroscopy as Gold Standard in Fresh Traumatic Chondral Lesions of the Knee in Young Adults
Paavo-Ilari Kuikka B.M., et al. - Conclusions: This study shows that routine 1.0-T MRI is not sensitive but is specific and somewhat accurate in detecting fresh traumatic articular cartilage lesions. The hypothesis of this study was that 1.0-T MRI could replace diagnostic arthroscopy in the diagnosis of fresh traumatic chondral lesions. Our results fail to support this hypothesis because of the poor sensitivity obtained with MRI...

The DAMASK trial protocol: a pragmatic randomised trial to evaluate whether GPs should have direct access to MRI for patients with suspected internal derangement of the knee
BMC Musculoskeletal Disorders
Stephen D Brealey, et al. - Though new technologies like Magnetic Resonance Imaging (MRI) may be accurate, they often diffuse into practice before thorough assessment of their value in diagnosis and management, and of their effects on patient outcome and costs...The DAMASK trial should make a major contribution to the development of evidence-based partnerships between primary and secondary care professionals and inform the debate when MRI should enter the diagnostic pathway



October 13, 2006

Magnetic Resonance Imaging With Metal Suppression for Evaluation of Periprosthetic Osteolysis After Total Knee Arthroplasty
Journal of Arthroplasty
Michael B. Vessely MD, et al. - Osteolysis around total knee arthroplasty (TKA) can be difficult to identify and quantitate on plain radiographs. This study reports on magnetic resonance imaging (MRI) with metal suppression for the evaluation of suspected periprosthetic osteolysis around TKA...


Magnetic resonance imaging and clinical findings before and after tendon transfers about the shoulder in children with residual brachial plexus birth palsy
Journal of Shoulder and Elbow Surgery
Scott H. Kozin MD, et al. - The purpose of this study was to assess the magnetic resonance imaging (MRI) and clinical outcome after tendon transfers about the shoulder in children with residual brachial plexus birth palsy...These results demonstrate that tendon transfers improve overall shoulder motion but do not reduce humeral head subluxation or enhance glenohumeral joint realignment...

Comparative evaluation of hand wrist radiographs with cervical vertebrae for skeletal maturation in 10-12 years old children
Journal of Indian Society of Pedodontics and Preventive Dentistry
A comparative evaluation of hand wrist and cervical vertebrae was done to find out the validity of cervical vertebrae as maturity indicators. A sample of 50 subjects (25 females and 25 males) in the age group of 10-12 years were selected on criteria of normal occlusion and the result showed that cervical vertebrae can be used with the same confidence as hand wrist radiographs to evaluate skeletal maturity, thus avoiding the need for an additional radiograph...

Magnetic resonance imaging accuracy for the diagnosis of superior labrum anterior-posterior lesions in the community setting: Eighty-three arthroscopically confirmed cases
Journal of Shoulder and Elbow Surgery
Bryan L. Reuss MD, et al. - Magnetic resonance imaging (MRI) has been shown in the literature to have high accuracy for the diagnosis of superior labrum anterior-to-posterior (SLAP) lesions...In this community setting, MRI was not accurate for the diagnosis of SLAP lesions. Musculoskeletal radiologists were more accurate than the community radiologists; however, the musculoskeletal radiologists were not as accurate as previous literature might predict...


October 12, 2006

The "muscular hernia sign": an original ultrasonographic sign to detect lesions of the forearm's interosseous membrane
Surgical and Radiologic Anatomy
Marc Soubeyrand, et al. - The total disruption of the forearm?s interosseous membrane can lead to an Essex-Lopresti syndrome. The diagnosis must be done early for a better prognostic. Incomplete lesions can aggravate and an early diagnosis of incomplete lesions is a challenging problem. Magnetic resonance imaging is the gold standard but remains expensive, and is hard to obtain in an emergency...The US examination of the interosseous membrane is very efficient to detect incomplete lesions, mostly, if dynamical tests are performed looking for a "muscular hernia sign"...

Three-dimensional Doppler sonographic vascular imaging in regions with increased MR enhancement in inflamed wrists of patients with rheumatoid arthritis
Joint, Bone, Spine
Johannes Strunk, et al. - To compare three-dimensional (3D) power Doppler ultrasonography (PDUS) with contrast enhanced magnetic resonance imaging (MRI) in their capability to visualize synovial vascularity in inflamed wrists of patients with rheumatoid arthritis (RA)...Conclusion: When compared with clinical symptoms and the gold standard dynamic MRI, 3D PDUS is a reliable imaging technique for assessing synovial vascularity in inflamed wrists of RA patients...

Rare Bilateral C6 Spondylolysis and Spondylolisthesis in an Adolescent Athlete: Evaluation With Magnetic Resonance Imaging and Multidetector Computerized Tomography
Amin, Mohammed F. MBBCH, et al. - To show a rare case of cervical spondylolysis and spondylolisthesis secondary to bilateral stress fractures at the pedicle laminar junction of C6 in a 16-year-old athlete playing high school baseball...Conclusion: Early diagnosis and appropriate management of these cases are important to promote healing...


October 11, 2006

The tuning fork test - a useful tool for improving specificity in "Ottawa positive" patients after ankle inversion injury
Emergency Medicine Journal
P D Dissmann, et al. - This study suggests that additional tuning fork testing of "Ottawa positive" patients may lead to a marked reduction in ankle radiographs, with consequently reduced radiation exposure and journey time. This may be particularly relevant in situations where radiological facilities are not readily available (expedition medicine) or where access to these has to be prioritised...

Ultrasound-Guided Spinal Fracture Repositioning, Ligamentotaxis, and Remodeling After Thoracolumbar Burst Fractures
Mueller, Lutz Arne MD, et al. - Conclusion: Ultrasound-guided fracture repositioning is an efficient method for spinal canal decompression of burst fractures with neurologic symptoms. The marked degree of widening of the spinal canal due to the effects of ligamentotaxis and remodeling may render the reposition of retropulsed fragments unnecessary in cases of fractures without a neurologic deficit...



October 10, 2006

Benign giant cell tumor of the spine: an unusual indication for radiotherapy
Archives of Orthopaedic and Trauma Surgery
A. Meyer, et al. - Conclusion: In the literature the use of radiation therapy remains an appropriate therapy option in benign giant cell tumors with minimal adverse sequelae if primary surgical treatment is not feasible or fails. In cases of definitive radiotherapy a total dose > 45 Gy should be discussed...


Image-guided puncture technique for the superior temporomandibular joint space: value of cone beam computed tomography (CBCT)
Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics
Kazuya Honda DDS, PhD, et al. - Temporomandibular joint (TMJ) disk perforation or adhesion requires arthrographic examination...Conclusion: Variation in puncture angle among individuals indicated that CBCT examination is necessary preceding TMJ puncture. Preliminary clinical application has demonstrated the safety of IGPT using CBCT...

Magic angle effect in MR imaging of ankle tendons: influence of foot positioning on prevalence and site in asymptomatic subjects and cadaveric tendons
European Radiology
Bernard Mengiardi, et al. - In conclusion, the supine body position with neutral position of the foot, a high prevalence (77?100%) of MAE in ankle tendons except for the ATT (20%) is seen. MAE is almost absent in the prone body position with plantar flexion of the foot...


October 9, 2006

Different Radiological Findings with the Same Pathologic Diagnosis Due to Different Age in Primary Osteosarcoma
Acta Radiologica
Lee, S. Y., et al. - Conclusion: In older patients, primary osteosarcoma should be considered when making a differential diagnosis of osteolytic lesions without any periosteal reactions and small soft tissue extensions. In cases with atypical findings, the morphology of specimens (aspiration, core, or surgical biopsy) from the lesion should be recommended when making an accurate diagnosis...

Contrast Enhanced Dynamic Magnetic Resonance Imaging of Finger Joints in Osteoarthritis and Rheumatoid Arthritis: An Analysis Based on Pharmacokinetic Modeling
Acta Radiologica
Kirkhus, E., et al. - To investigate a two compartment kinetic model applied to the dynamic time course of contrast enhancement as a method to differentiate between finger joint synovitis in established osteoarthritis (OA) and rheumatoid arthritis (RA)...Conclusion: DCE MRI may provide useful information that can help differentiate synovitis in OA from synovitis in RA...



October 6, 2006

Carbonate apatite crystals in primary normophosphatemic tumoral calcinosis
APLAR Journal of Rheumatology
Torralba, Karina D., et al. - A 66-year-old woman developed firm, painless, slowly growing nodular masses over her elbows, fingers, toes, and left hip over four years...Tumoral calcinosis should be differentiated from tophaceous gout and calcium pyrophosphate dihydrate crystal deposition disease. Polarizing light microscopy and crystal analysis by X-ray and infrared spectroscopy, electron or X-ray diffraction will confirm the diagnosis. Secondary causes of tumoral calcinosis should also be excluded...


Accuracy of Pelvic Flexion Measurements from Lateral Radiographs
Clinical Orthopedics and Related Research
Hafez, Mahmoud A; Ed, FRCS, et al. - The data suggest that accurate measurements of pelvic flexion can be made from lateral radiographs with respect to the standard anatomic reference system. However, failure to correctly observe a landmark can introduce large errors. Therefore, the clarity of the relevant landmarks should be considered carefully before applying this technique. Lateral radiographs can be easily acquired and analyzed, making this technique convenient and inexpensive...


October 5, 2006

The efficacy of magnetic resonance imaging in the diagnosis of degenerative and inflammatory temporomandibular joint disorders: a systematic literature review
Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics
Napat Limchaichana DDS, et al. - To evaluate the evidence for the efficacy of magnetic resonance imaging (MRI) in the diagnosis of disk position and configuration, disk perforation, joint effusion, and osseous and bone marrow changes in the temporomandibular joint...Conclusion: That evidence is insufficient emphasizes the need for high-quality studies on the diagnostic efficacy of MRI, incorporating accepted methodologic criteria...

Can you diagnose for vertebral fracture correctly by plain X-ray?
Osteoporosis International
Z. Ito, et al. - Conclusion: The correct diagnosis rate for incident vertebral fractures with X-Ps was low (24.8%) and in cases with prevalent fractures, the rate was even lower (16.8%), but the number of prevalent fractures and BMD did not exert an effect. One key improving the correct diagnosis rate may be to pay attention to morphological changes in the anterior bone cortex...

A New Tool for Measuring Cup Orientation in Total Hip Arthroplasties from Plain Radiographs
Clinical Orthopedics and Related Research
Liaw, Chen-Kun MD, et al. - Orientation of the hip cup is important in total hip arthroplasties. Orientation includes abduction (inclination) and anteversion. Anteversion can be considered as true (anatomic) and planar (radiographic) anteversion. Some measurement methods either are too complicated or are less precise. We developed a new protractor to measure cup orientation using postoperative anteroposterior radiographs centered at the hip...



October 4, 2006

Three-Dimensional Analysis of the Ligamentous Attachments of the First Carpometacarpal Joint
Journal of Hand Surgery
Mitsuhiko Nanno MD, PhD, et al. - Conclusions: The anatomic 3-D attachment sites of the first CMC ligaments were shown qualitatively and their areas were quantified. The results of this study improve the knowledge and understanding of the normal anatomy and its impact on the mechanics of the first CMC joint. This should help in making an accurate assessment of radiographic images and treating injuries and degenerative changes in the first CMC joint by ligament reconstruction, repair, and arthroscopy...


Sole radiographic expression of rheumatoid arthritis in the temporomandibular joints: a case report
Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics
Antigone Delantoni DMD, et al. - We present an unusual case of rheumatoid arthritis. The patient had no radiographic findings in any joints of the body expected to show symptoms of the disease, such as phalangophalangeal joints of the hands and metacarpophalangeal joints. Instead, the patient had radiographic findings in the temporomandibular joints, which are not commonly involved in the disease and its activity...

Bone Scintigraphy Predicts Outcome of Steroid Injection for Plantar Fasciitis
The Journal of Nuclear Medicine
Clayton Frater, et al. - Conclusion: Critical evaluation of plantar blood-pool images provides prognostic information on the response to localized injection into the enthesis. Reporting such studies is simple and reproducible...

The usefulness of magnetic resonance imaging (MRI) for disseminated trichosporosis of the gastrocnemius muscles
Journal of Infection
A 30-year-old man with acute myeloid leukemia who was pancytopenic after undergoing intensive chemotherapy developed pyrexia and severe pain of both lower legs. We immediately started empiric therapy with cefepime, vancomycin, and fluconazole for febrile neutropenia. However, symptoms progressed...


October 3, 2006

Computed Tomographic Follow-Up Evaluation of Operative Intervention for Periacetabular Lysis
Journal of Arthroplasty
Lalit Puri MD, et al. - Computed tomography (CT) accurately evaluates periacetabular lytic lesions. The purpose of this study is to determine the fate of osteolytic lesions after treatment with liner exchange and bone grafting. Fifteen patients who had undergone liner exchange with grafting for progressive lytic lesions, as demonstrated by preoperative CT scans, were identified...

Coexisting Hyperparathyroidism and Oncogenic Osteomalacia: Sestamibi and Somatostatin Receptor Scintigraphy
Clinical Nuclear Medicine
Nguyen, Ba D. MD - Oncogenic osteomalacia is a rare paraneoplastic syndrome characterized by hypophosphatemia, hyperphosphaturia, elevated alkaline phosphatase, normal calcemia, and decreased 1,25 dihydroxy vitamin D. Even with blatant metabolic imbalance and debilitating musculoskeletal symptomatology, the causative neoplasm is difficult to detect...

Stress Injuries of the Calcaneus Detected with Magnetic Resonance Imaging in Military Recruits
Journal of Bone and Joint Surgery
Markus J. Sormaala, MD, et al. - Conclusions: The majority of stress injuries of the calcaneus occur in the posterior part of the bone, but a considerable proportion can also be found in the middle and anterior parts. To obtain a diagnosis, magnetic resonance imaging is warranted if plain radiography does not show abnormalities in a physically active patient with exercise-induced pain in the ankle or heel...

Magnetic Resonance Imaging of the Hand for the Diagnosis of Rheumatoid Arthritis in the Absence of Anti-Cyclic Citrullinated Peptide Antibodies: A Prospective Study
Journal of Rheumatology
Elisabeth Solau-Gervais, et al. - To assess the practical usefulness of magnetic resonance imaging (MRI) in establishing a positive diagnosis of rheumatoid arthritis (RA) in a cohort of patients with early inflammatory polyarthralgia, in the absence of anti-cyclic citrullinated peptide (anti-CCP) antibodies...Conclusion: In our population of 30 anti-CPP negative patients with normal radiographs, MRI of hands, showing MCP erosions, can be helpful for the diagnosis of RA...

Computed Radiographic Measurement of Limb-Length Discrepancy
Journal of Bone and Joint Surgery
Sanjeev Sabharwal, MD, et al. - Conclusions: The measurement of limb-length discrepancy on a standing anteroposterior radiograph was very similar to that on a scanogram, especially in the absence of substantial mechanical axis deviation. These findings support the use of a standing anteroposterior radiograph of the lower extremities as the initial imaging study for patients presenting with unequal limb lengths...



October 2, 2006

Meniscal allograft transplantation: long-term clinical results with radiological and magnetic resonance imaging correlations
Knee Surgery, Sports Traumatology, Arthroscopy
Peter C. M. Verdonk, et al. - Long-term results after viable meniscus allograft transplantation are encouraging in terms of pain relief and improvement of function. Despite this significant improvement, substantial disability and symptoms were present in all investigated subgroups. Progression of further cartilage degeneration or joint space narrowing was absent in a considerable number of cases, indicating a potential chondroprotective effect...



The patellotrochlear index: a new index for assessing patellar height
Knee Surgery, Sports Traumatology, Arthroscopy
Roland M. Biedert, et al. - Our results indicate that the patellotrochlear index is a reliable and precise method to determine the exact articular correlation of the patellofemoral joint and the patellar height. The results represent the average patellotrochlear index in the normal population without patellofemoral complaints. Measurements of the articular cartilage congruence can be helpful to define an underlying pathology of patellar height, such as patella alta or infera...

Utility of delayed gadolinium-enhanced MRI (dGEMRIC) for qualitative evaluation of articular cartilage of patellofemoral joint
Knee Surgery, Sports Traumatology, Arthroscopy
Takehiro Nojiri, et al. - The dGEMRIC with a single-dose would be useful on a diagnosis of the area demonstrating early relative proteoglycan depletion in the articular cartilage of the PF joint prior to any discernible changes in the subchondral bone on X-ray images and exceeds to plain MR images for examining deterioration of articular cartilage...

Clinical Role of Sm-153 EDTMP in the Treatment of Painful Bone Metastatic Disease
Clinical Nuclear Medicine
Coronado, Monica, et al. - Sm-153 EDTMP is an effective treatment of painful bone metastases from different neoplasms. However, there are few studies describing clinical experience with this therapeutic modality. The aim of this clinical study was to evaluate the efficacy of Sm-153 EDTMP in a group of patients with skeletal metastases and poor pain control with conventional therapies...

The Scintigraphic Appearance of de Quervain Tenosynovitis
Clinical Nuclear Medicine
Leslie, William D. MD, MSc - Conclusions: Bone scanning appears to be of value in the differential diagnosis of dorsolateral wrist pain when clinical findings are nondiagnostic. The scintigraphic appearance of de Quervain tenosynovitis can help to confirm the diagnosis while excluding other causes of wrist pain. Determining the sensitivity and specificity of this pattern will require further research...

Minimal rotation aberrations cause radiographic misdiagnosis of trochlear dysplasia
Knee Surgery, Sports Traumatology, Arthroscopy
Sander KoŽter, et al. - Radiologic criteria are commonly used to diagnose femoral trochlear dysplasia causing patellofemoral (sub)luxations...We recommend the use of fluoroscopy to obtain a true lateral view (with both condyles overlapping on the posterior side) in order to correctly classify trochlear dysplasia and would strongly urge that no surgery should be performed on the basis of rotated conventional radiographs...