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BMC Musculoskelet Disord. 2006 Jul 15;7:57.

Extra-osseous osteochondroma-like soft tissue mass of the patello-femoral space.

Author information

  • 1Department of Orthopaedics and Traumatology, University of Rome Tor Vergata School of Medicine, Viale Oxford 81, Rome, Italy. olivafrancesco@hotmail.com

Abstract

BACKGROUND:

Extraskeletal cartilaginous tumors are uncommon. Osteochondromas usually arise from the metaphyseal region of the growing skeleton.

CASE PRESENTATION:

A 53 year old man presented with a three years history of anterior knee pain and inability to flex his knee more than 90 degrees . Clinical examination and imaging studies revealed a nodular calcific mass in the anterior portion of the knee, displacing the medial portion of the patellar tendon. Following excision, histopathology confirmed the diagnosis of extra-osseous osteochondroma-like soft tissue mass, with no recurrence 24 months after surgery.

CONCLUSION:

An integrated clinical-pathologic diagnosis helps to clarify the nature of extraskeletal cartilaginous tumors that can arise at unusual anatomic site. Complete local surgical excision is the management of choice.

PMID:
16842627
[PubMed - indexed for MEDLINE]
PMCID:
PMC1534046
Free PMC Article
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