Research Day

Title

Concurrent Osteochondroma And Synovial Chondromatosis Of The Hip In The Absence Of Multiple Hereditary Exostosis: A Case Report

Document Type

Abstract

Date

2019

Abstract

Osteochondromas and synovial chondromatosis are uncommon conditions, independently. The occurrence of either of these in conditions within the hip joint is rarer still. Thus, the development of simultaneous osteochondroma and synovial chondromatosis of the hip remains virtually unreported in prior literature. We herein report a very rare case of concomitant osteochondroma and synovial chondromatosis of the hip in a 22-year-old male in the absence of Multiple Hereditary Exostosis (MHE).

The patient is a 22-year-old male who presented with two years of worsening, atraumatic, insidious onset left hip pain. Mechanical symptoms of catching and locking were present and affecting the patient's quality of life. Physical exam of the hip demonstrated a global decrease in motion. Plain films and advanced imaging consisting of CT and MRI were performed which delineated the diagnosis of intra-articular osteochondroma and concurrent synovial chondromatosis. Definitive treatment consisted of surgical hip dislocation with excision of concomitant pathologies and prophylactic fixation of the femoral neck.

The patient tolerated the procedure well and was recently seen in outpatient clinic approximately 16.5 months out from his procedure. To date, the patient continues to have full range of motion of the hip joint, with no signs of antalgic gait, recurrence, or femoral head avascular necrosis.

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