Lipoma Arborescens Where MRI Is a Boon

Bora, Nikita; Parihar, Pratap; Raj, Nishant; Shetty, Neeta; Nunna, Bhagyasri

doi:10.7759/cureus.39212

Cited by 1 publication

(1 citation statement)

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“…Lipoma arborescens is a rare condition affecting the synovium, characterized by villous-lipomatous synovial proliferation and the replacement of sub-synovial tissue with mature adipose tissue 1 . Initially described by Albert Hoffa in 1904, it is typically diagnosed in individuals aged 4th to 6th decades and is found in various joints, including the knee joint’s suprapatellar pouch 2 .…”

Section: Introductionmentioning

confidence: 99%

Lipoma arborescens in the dorsum of the hand: a case report and a comprehensive review

Suwal,

Katwal,

Chataut

et al. 2024

Annals of Medicine &Amp; Surgery

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Introduction and Importance: Lipoma arborescens is a rare synovial disorder, typically affecting the knee joint, with limited reports of atypical presentations. The study emphasizes the need for a multidisciplinary diagnostic approach and discusses the genetic and signaling factors associated with its pathogenesis. Case Presentation: A 50-year-old male presented with a painless swelling in the dorsum of the right hand, a rare extra-articular manifestation of Lipoma arborescens. Comprehensive clinical, imaging, and histopathological evaluations confirmed the diagnosis, revealing unique features on MRI and frond-like fatty tissue infiltration on excisional biopsy. Clinical Discussion: The case underscores the distinct clinical characteristics, diagnostic challenges, and differential considerations associated with atypical Lipoma arborescens presentations. Extra-articular manifestation of Lipoma arborescens involving the dorsum (extensor aspect) of the hand is rare. Imaging techniques, including MRI and ultrasound, play a crucial role in accurate diagnosis, differentiating it from other joint pathologies. The MRI findings include intra-articular fat deposits and villous proliferation of the synovial membrane. At the same time, the histopathological analysis includes frond-like infiltration of sub-synovial tissue with mature adipocytes which helps in confirming the diagnosis. Conclusion: Successful surgical excision of the extra-articular lesion highlights the importance of a comprehensive diagnostic strategy for managing this uncommon condition. The study contributes valuable insights into understanding, diagnosing, and treating atypical presentations of Lipoma arborescens.

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Section: Introductionmentioning

confidence: 99%