Orthopaedic Case of the Month: A Painless Right Knee Mass in a 55-year-old Woman

Hsu, Jung-Hsiu; Wu, Fu-Zong

doi:10.1007/s11999-012-2650-7

Cited by 6 publications

(2 citation statements)

References 22 publications

(29 reference statements)

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“…The differential diagnosis includes intra-articular lipoma (IL), lipoma arborescens (LA), and localized pigmented villonodular synovitis (PVNS) [1, 5, 7, 10–14]. If mild hyperplasia is observed, surgeons should be aware of pathological conditions in which the fat pad may impinge and cause pain on the PF joint during full extension to flexion of the knee, even if the fat pad consists of normal adipose tissue.…”

Section: Discussionmentioning

confidence: 99%

A Case of Prefemoral Fat Pad Impingement Syndrome Caused by Hyperplastic Fat Pad

Koyama

Tensho

Shimodaira

et al. 2018

Case Reports in Orthopedics

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Case We report a rare case of prefemoral fat pad impingement syndrome that was caused by a hyperplasia of the normal suprapatellar fat pad. Pain and catching were observed in the proximal-lateral patellofemoral joint, and MRI imaging confirmed a hyperplasic mass in the same area. Although conservative treatment showed no signs of improvement, symptoms improved after an arthroscopic excision of the mass. Conclusion Prefemoral fat pad impingement syndrome is related to patellar motion and should be considered as one of the underlying causes of anterior knee pain (AKP). Surgeons should recognize that a small hyperplasia composed of normal adipose tissue can cause AKP.

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Section: Discussionmentioning

confidence: 99%

A Case of Prefemoral Fat Pad Impingement Syndrome Caused by Hyperplastic Fat Pad

Koyama

Tensho

Shimodaira

et al. 2018

Case Reports in Orthopedics

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“…Benign intra-capsular fatty masses include lipoma arborescens and lipoma. [ 4 16 32 ] Lipoma arborescens is an uncommon lipomatous proliferation of the intra-capsular synovium. Malignant intra-capsular liposarcoma is rarely encountered.…”

Section: Differential Diagnosismentioning

confidence: 99%

Traumatic Extra-capsular and Intra-capsular Floating Fat: Fat-fluid Levels of the Knee Revisited

Davis

Vachhani

2015

Journal of Clinical Imaging Science

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Floating fat is a sign of acute bone injury at the knee following trauma. The goal of this article is to review the etiology, patterns, and mimickers of extra-capsular and intra-capsular floating fat, with the major emphasis on knee trauma in the acute setting. We will discuss the spectrum of multimodal imaging findings for rare presentations of extra-capsular floating fat, and contrast these with common and atypical forms of intra-capsular lipohemarthrosis, as an aid to the assessment of acute bone trauma at the knee.

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An unusual case of a massive intra-articular angiolipoma of the knee – Case report and review of literature

Kiran

Arvinte

Sood

2016

Journal of Arthroscopy and Joint Surgery

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Orthopaedic Case of the Month: A Painless Right Knee Mass in a 55-year-old Woman

Cited by 6 publications

References 22 publications

A Case of Prefemoral Fat Pad Impingement Syndrome Caused by Hyperplastic Fat Pad

A Case of Prefemoral Fat Pad Impingement Syndrome Caused by Hyperplastic Fat Pad

Traumatic Extra-capsular and Intra-capsular Floating Fat: Fat-fluid Levels of the Knee Revisited

An unusual case of a massive intra-articular angiolipoma of the knee – Case report and review of literature

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