Superolateral Hoffa's Fat Pad Edema and Trochlear Sulcal Angle Are Associated with Isolated Medial Patellofemoral Compartment Osteoarthritis

Canadian Association of Radiologists Journal - Tập 69 - Trang 450-457 - 2018
Sara Weintraub1, Ronnie Sebro1,2,3,4
1Department of Radiology, University of Pennsylvania, Philadelphia, Pennsylvania, USA
2Department of Orthopedic Surgery, University of Pennsylvania, Philadelphia, Pennsylvania, USA
3Department of Genetics, University of Pennsylvania, Philadelphia, Pennsylvania, USA.
4Department of Epidemiology and Biostatistics, University of Pennsylvania, Philadelphia, Pennsylvania, USA

Tóm tắt

PurposeTo evaluate whether mediopatellar plica and knee morphometric measurements obtained from magnetic resonance imaging (MRI) studies are associated with isolated medial patellofemoral osteoarthritis in young adults.MethodsMRI studies from 60 patients with isolated medial patellofemoral osteoarthritis and 90 control patients with normal knee MRI studies were reviewed. The presence of mediopatellar plica, the presence of edema in the superolateral aspect of Hoffa's fat pad and suprapatellar fat pad, quadriceps and patellar tendinosis, and axial and sagittal alignment of the patellar and trochlear morphology were assessed using MRI. The relationship between mediopatellar plica, alignment, or morphology and the presence of isolated medial patellofemoral osteoarthritis was evaluated using logistic regression.ResultsSuperolateral Hoffa's fat pad edema (odds ratio [OR] = 3.4, P = .009) and decreased trochlear sulcal angle (OR = 0.95, P = .045) were associated with increased odds of isolated medial patellofemoral osteoarthritis. Decreased lateral patellar tilt (OR = 0.93, P = .087) and patellar tendinosis (OR = 4.13, P = .103) trended toward being associated with increased odds of isolated medial patellofemoral osteoarthritis but were not statistically significant. No significant association was seen between the presence of mediopatellar plica and medial patellofemoral osteoarthritis (OR = 0.95, P = .353).ConclusionsMedial patellofemoral osteoarthritis is associated with trochlear morphology and patellar alignment but not with mediopatellar plica.

Tài liệu tham khảo

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Canadian Association of Radiologists Journal

Tập 69

450-457

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