ISSN 2147-9720 | E-ISSN 2148-4279
Case Report
Primary lipoma arborescens of the knee
1 Department of Rheumatology, Hospital Universitário Getúlio Vargas (HUGV), University of Amazonas (UFAM) School of Medicine, Manaus, Brazil  
2 Department of Patology Section of Hospital Universitário Getúlio Vargas (HUGV University of Amazonas (UFAM) School of Medicine, Manaus, Brazil  
3 Department of Orthopaedic Surgery, University of Amazonas (UFAM) School of Medicine, Manaus, Brazil  
4 Medical Radiologist of the Image Service of the Medical Center and Diagnostic Imaging, Manaus, Brazil  
Eur J Rheumatol 2017; 4: 219-221
DOI: 10.5152/eurjrheum.2017.17014
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Key Words: Lipoma arborescens, synovial membrane, monoarthritis, magnetic resonance imaging
Abstract

Lipoma arborescens is a rare and benign intra-articular lesion of unknown etiology; it is characterized by synovial villous proliferation and sub-synovial connective tissue replacement by mature fatty tissue. It is part of the differential diagnosis in patients with an articulation affected by a slow, progressive, and chronically inflamed affection. We report primary knee involvement in a patient without significant articulate antecedents. Lipoma arborescens was diagnosed after knee magnetic resonance imaging and was confirmed by an anatomopathological study of the surgical specimen.

 

Cite this article as: Pinto de Souza T, Pinto Carneiro JB, Freire dos Reis M, Bellaguarda Batista B, Silva Gama FA, Euzébio Ribeiro SL. Primary lipoma arborescens of the knee. Eur J Rheumatol 2017; 4: 219-21.

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