Case report describes knee pain from synovial lipomatosis and meniscal hypoplasia in an adolescent, highlighting diagnosis and management challenges.
We present the case of a 16-year-old male with chronic left knee pain, progressive swelling, and limited mobility. Magnetic resonance imaging (MRI) revealed a combination of diffuse synovial lipomatosis and hypoplasia of both the medial and lateral menisci in the left knee. The patient underwent knee arthroscopy with synovectomy and biopsy, confirming the diagnosis of synovial lipomatosis. This case highlights the importance of recognizing the coexistence of congenital and proliferative synovial diseases and contributes to the literature on the diagnosis and management of these rare conditions.
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Mieth et al. (2026) studied this question.
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