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Radiol Case Rep. 2015 Nov 06;5(4):420. doi: 10.2484/rcr.v5i4.420. eCollection 2010.

An extraskeletal para-articular osteochondroma of Hoffa's fat pad.

Radiology case reports

Hyojeong Mulcahy, Benjamin Hoch

PMID: 27307877 PMCID: PMC4901022 DOI: 10.2484/rcr.v5i4.420

Abstract

Extraskeletal para-articular osteochondromas are rather unusual tumors that arise in the soft tissues adjacent to the joint with no bony or joint continuity. We report a 25-year-old female who presented with a two-year history of right knee mass. Diagnostic imaging revealed a calcifying mass in the Hoffa's fat pad of the knee. Roentgenographic, magnetic resonance imaging, and histopathologic features are presented.

Keywords: MRI, magnetic resonance imaging

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