Chondrocyte Viability 3.5 Years Following a Vascularized Medial Femoral Trochlea Osteocartilaginous Free Flap

Ryan M. Zimmerman, Elizabeth A. Allen, James Patrick Higgins

Research output: Contribution to journalArticle

Abstract

Case: A 30-year-old woman underwent arthroscopy for wrist pain 3.5 years following a medial femoral trochlea (MFT) osteocartilaginous free flap for Kienböck disease, which provided the opportunity to examine the transferred cartilage in vivo. Arthroscopy revealed no evidence of chondrolysis, and histologic examination revealed uniformly viable chondrocytes within a matrix consistent with fibrocartilage. Conclusion: To the best of our knowledge, the long-term viability of chondrocytes following an MFT free flap has not been previously documented. This case provides early evidence that free tissue transfer based on the descending genicular artery can provide a durable solution for osteocartilaginous defects.

Original languageEnglish (US)
Article numbere90
JournalJBJS Case Connector
Volume6
Issue number4
DOIs
StatePublished - 2016

ASJC Scopus subject areas

  • Surgery
  • Orthopedics and Sports Medicine

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