Surgical Hip Dislocation for a Diagnostic Dilemma: Differentiating Synovial Chondromatosis and Pigmented Villonodular Synovitis

Aliya G. Feroe, Mahad M. Hassan, Mitchell S. Fourman, Megan E. Anderson, Young Jo Kim

Research output: Contribution to journalArticlepeer-review

Abstract

Pigmented villonodular synovitis (PVNS) and synovial chondromatosis (SC) of the hip are rare synovial diseases that can induce joint destruction without early diagnosis and treatment. The extent of surgical excision is critical given the high rates of recurrence. In the presented case, a 19-year-old female was referred to our institution with progressive left hip pain and radiologic evidence of an intra-articular mass that was consistent with PVNS versus SC. Her medical history was notable for a prior excision of a fibrous lesion at an outside hospital at age 13 with persistent pain. The patient underwent a surgical hip dislocation approach to obtain near-complete visualization of the femoroacetabular joint, ensuring complete evaluation and excision. The tumor was intraoperatively diagnosed as SC and excised accordingly, during an uneventful operation. Pathology confirmed the diagnosis. The essential diagnostic and surgical steps for the management of this pelvic tumor diagnostic dilemma are described. Level of Evidence: V.

Original languageEnglish (US)
Pages (from-to)263-265
Number of pages3
JournalThe Iowa orthopaedic journal
Volume42
Issue number1
StatePublished - Jun 1 2022

Bibliographical note

Publisher Copyright:
Copyright © The Iowa Orthopaedic Journal 2022.

Keywords

  • diagnostic dilemma
  • pelvic tumor
  • pigmented villonodular synovitis
  • surgical hip dislocation
  • synovial chondromatosis

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