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. 1996 Nov;167(5):1229-32.
doi: 10.2214/ajr.167.5.8911186.

MR imaging of lipoma arborescens of the knee joint

K N Ryu  1 , S Jaovisidha, M Schweitzer, A O Motta, D Resnick
Affiliations

MR imaging of lipoma arborescens of the knee joint

K N Ryu et al. AJR Am J Roentgenol. 1996 Nov.

Abstract

Objective: The purpose of this study was to define MR imaging of patients with lipoma arborescens of the knee.

Conclusion: MR images showed villous lipomatous proliferation (100%) with signal intensity similar to that of fat on T1- and T2-weighted images, masslike subsynovial fat deposition (38%), joint effusion (100%), erosive bone changes at articular margins (38%), associated synovial cysts (25%), and degenerative changes (13%). MR imaging is a valuable technique for examining patients with lipoma arborescens of the knee and can support the diagnosis of this rare condition.

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