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Knee myopericytoma-case report and literature review


MOJ Orthopedics & Rheumatology
Susana Rodrigues,1 Catrine Ferreira,2 Tiago Coelho,1 Diogo Gaspar,1 Jean Fallah,1 Rui Lino,1 Nuno Geada1

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Abstract

Myopericytoma is a rare neoplasm, usually benign, presenting with histological differentiation towards perivascular myoid spindled cells/pericytes. Knee involvement is extremely rare, with only seven published cases.
The authors present the case of a patient with knee involvement myopericytoma, highlighting the diagnostic challenges particular to this location and review the previous cases reported in the literature.

Keywords

knee, myopericytoma, malignant myopericytoma, extremely rare, malignancy, slow-growing tumors, tumors, prostatic hyperplasia, knee pain, round and mobile, resonance imaging, ligament, hypo echogenicity, palpation, physical examination

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