UCSD Musculoskeletal Radiology

bonepit.com

Pettersson score for Hemophilic arthropathy

Pettersson Score for Hemophilic Arthropathy

Original publication: Pettersson H, Ahlberg A, Nilsson IM. A radiologic

classification of hemophilic arthropathy. Clin Orthop 1980; 149: 1539.

Type of change Finding Score

Osteoporosis                                                                                                      Absent 0          Present 1

Enlarged epiphysis                                                                                             Absent 0            Present 1

Irregular subchondral surface                                                  Absent 0            Partially involved 1    Totally involved 2

Narrowing of joint space                                                 Absent 0            Joint space >1 mm 1    Joint space <= mm 2

Subchondral cyst formation                                                                                 Absent 0            1 cyst 1    >1 cyst 2

Erosion of joint margins                                                                                      Absent 0            Present 1

Gross incongruence of articulating bone ends                                                        Absent 0    Slight 1    Pronounced 2

Joint deformity (angulation and/or displacement between articulating bones)            Absent 0    Slight 1    Pronounced 2

                                                                                                                                        Possible joint score (013)

 

 

Radiological assessment of haemophilic arthropathy with emphasis on MRI findings