Ulnar nerve palsy caused by synovial protrusion in synovial chondromatosis of the elbow: a case report and literature review.

Yukata, Kiminori; Murase, Masaaki; Hashimoto, Takahiro; Shimaoka, Yasunori; Taguchi, Toshihiko; Hamawaki, Junichi · Shoulder Elbow · 2018

case_report · Level V

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Abstract

We describe an unusual case of ulnar nerve compression (cubital tunnel syndrome) caused by synovial protrusion in primary synovial chondromatosis of the elbow in a 59-year-old man. Magnetic resonance imaging is a useful tool for diagnosing this rare condition. Surgical excision of the intra-articular multiple loose bodies and ulnar nerve decompression were performed. The clinician should be aware of primary synovial chondromatosis as one of the causative factors of cubital tunnel syndrome.

Anatomy