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Updated: May 3, 2026

Autologous Microfractured and Purified Adipose Tissue for Arthroscopic Management of Osteochondral Lesions of the Talus
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Lipoma arborescens.

Sarat Kumar Sanamandra1, Keh Oon Ong

  • 1Department of Diagnostic and Interventional Radiology, Singapore General Hospital, Outram Road, Singapore 169608. sarat.kumar.sanamandra@sgh.com.sg.

Singapore Medical Journal
|January 24, 2014
PubMed
Summary

Lipoma arborescens is a rare, slow-growing knee joint mass caused by synovial lipomatous proliferation. Early recognition of its imaging features aids diagnosis and prevents misinterpretation of this benign intra-articular lesion.

Area of Science:

  • Orthopedic Surgery
  • Radiology
  • Pathology

Background:

  • Lipoma arborescens is a benign, intra-articular synovial proliferation.
  • It typically presents as a slowly progressive, painless knee swelling.
  • This condition is an uncommon cause of intra-articular masses.

Purpose of the Study:

  • To increase awareness of lipoma arborescens.
  • To detail the clinical and imaging features of this lipomatous lesion.
  • To aid in early diagnosis and appropriate management, avoiding misinterpretation.

Main Methods:

  • Review of clinical presentations.
  • Analysis of imaging characteristics (e.g., MRI, ultrasound).
  • Discussion of pathological findings and differential diagnoses.

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Main Results:

  • Lipoma arborescens presents as villous lipomatous overgrowth of the synovium, often in the suprapatellar pouch.
  • Imaging reveals a characteristic intra-articular mass with specific signal intensities.
  • Differential diagnoses include other intra-articular masses, necessitating careful evaluation.

Conclusions:

  • Early diagnosis of lipoma arborescens is crucial for effective management.
  • Understanding its imaging spectrum helps differentiate it from more complex joint pathologies.
  • This review provides a comprehensive overview for clinicians and radiologists.