Villous lipomatous proliferation of synovial membrane
Fatty reactive synovitis
Definitions
Infiltration of fat tissue in synovium and subsynovial tissue forming frond-like masses
IMAGING
General Features
Radiographic Findings
CT Findings
MR Findings
Ultrasonographic Findings
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Gross Pathologic & Surgical Features
Microscopic Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Consider
Image Interpretation Pearls
Selected References
Bui-Mansfield L: Lipoma arborescens: imaging features of typical and atypical disease and differentiation from other intra-articular pathology. Contemporary Diagnostic Radiology. (44):13, 2021. https://api.semanticscholar.org/CorpusID:235327215
Huang Y et al: Imaging features of lipoma arborescens. Acta Radiol. ePub, 2021
Batu ED et al: Lipoma arborescens associated with psoriatic arthritis in an adolescent boy: a case report and review of the literature. J Clin Rheumatol. 26(2):e47-9, 2020
Wang CK et al: Knee arthroscopy for the treatment of lipoma arborescens: a systematic review of the literature. JBJS Rev. 7(4):e8, 2019
de Souza TP et al: Primary lipoma arborescens of the knee. Eur J Rheumatol. 4(3):219-21, 2017
Kransdorf MJ et al: Lipomatous tumors. In Kransdorf MJ et al: Imaging of Soft Tissue Tumors. 3rd ed. Lippincott Williams & Wilkins. 111-4, 2014
White EA et al: Lipoma arborescens of the biceps tendon sheath. Skeletal Radiol. 42(10):1461-4, 2013
Coll JP et al: Best cases from the AFIP: lipoma arborescens of the knees in a patient with rheumatoid arthritis. Radiographics. 31(2):333-7, 2011
Chae EY et al: Lipoma arborescens of the glenohumeral joint causing bone erosion: MRI features with gadolinium enhancement. Skeletal Radiol. 38(8):815-8, 2009
Vinson EN et al: Synovial lipomatosis arborescens of the peroneal tendon sheath. Skeletal Radiol. 37(10):947-50, 2008
Weiss SW et al: Benign lipomatous tumors. In Weiss SW et al: Enzinger and Weiss' Soft Tissue Tumors. 5th ed. Elsevier. 458-9, 2008
Murphey MD et al: From the archives of the AFIP: benign musculoskeletal lipomatous lesions. Radiographics. 24(5):1433-66, 2004
Vilanova JC et al: MR imaging of lipoma arborescens and the associated lesions. Skeletal Radiol. 32(9):504-9, 2003
Related Anatomy
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Related Differential Diagnoses
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References
Tables
Tables
KEY FACTS
Terminology
Imaging
Pathology
Clinical Issues
TERMINOLOGY
Synonyms
Diffuse synovial lipoma
Villous lipomatous proliferation of synovial membrane
Fatty reactive synovitis
Definitions
Infiltration of fat tissue in synovium and subsynovial tissue forming frond-like masses
IMAGING
General Features
Radiographic Findings
CT Findings
MR Findings
Ultrasonographic Findings
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Gross Pathologic & Surgical Features
Microscopic Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Consider
Image Interpretation Pearls
Selected References
Bui-Mansfield L: Lipoma arborescens: imaging features of typical and atypical disease and differentiation from other intra-articular pathology. Contemporary Diagnostic Radiology. (44):13, 2021. https://api.semanticscholar.org/CorpusID:235327215
Huang Y et al: Imaging features of lipoma arborescens. Acta Radiol. ePub, 2021
Batu ED et al: Lipoma arborescens associated with psoriatic arthritis in an adolescent boy: a case report and review of the literature. J Clin Rheumatol. 26(2):e47-9, 2020
Wang CK et al: Knee arthroscopy for the treatment of lipoma arborescens: a systematic review of the literature. JBJS Rev. 7(4):e8, 2019
de Souza TP et al: Primary lipoma arborescens of the knee. Eur J Rheumatol. 4(3):219-21, 2017
Kransdorf MJ et al: Lipomatous tumors. In Kransdorf MJ et al: Imaging of Soft Tissue Tumors. 3rd ed. Lippincott Williams & Wilkins. 111-4, 2014
White EA et al: Lipoma arborescens of the biceps tendon sheath. Skeletal Radiol. 42(10):1461-4, 2013
Coll JP et al: Best cases from the AFIP: lipoma arborescens of the knees in a patient with rheumatoid arthritis. Radiographics. 31(2):333-7, 2011
Chae EY et al: Lipoma arborescens of the glenohumeral joint causing bone erosion: MRI features with gadolinium enhancement. Skeletal Radiol. 38(8):815-8, 2009
Vinson EN et al: Synovial lipomatosis arborescens of the peroneal tendon sheath. Skeletal Radiol. 37(10):947-50, 2008
Weiss SW et al: Benign lipomatous tumors. In Weiss SW et al: Enzinger and Weiss' Soft Tissue Tumors. 5th ed. Elsevier. 458-9, 2008
Murphey MD et al: From the archives of the AFIP: benign musculoskeletal lipomatous lesions. Radiographics. 24(5):1433-66, 2004
Vilanova JC et al: MR imaging of lipoma arborescens and the associated lesions. Skeletal Radiol. 32(9):504-9, 2003
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