Os subepicondylare mediale ossicle as a cause for cubital tunnel syndrome: A case report

BACKGROUND Cubital tunnel syndrome is the second most common peripheral nerve entrapment syndrome after carpal tunnel syndrome. It involves compression of the ulnar nerve at the elbow, leading to pain, numbness, and weakness. CASE SUMMARY A 42-year-old male patient reported left elbow pain, tingling in the ring and small fingers, and a weak grip for 2 years. An X-ray revealed os subepicondylare mediale, a rare accessory ossicle that compressed the ulnar nerve. Decompression surgery and ossicle e