Compression of the ulnar nerve in Guyon's Canal by a soft tissue giant cell tumor.
D000328:Adult; D005870:Giant Cell Tumors / Q000150:complications* / Q000473:pathology / Q000601:surgery; D006801:Humans; D007592:Joint Diseases / Q000150:complications / Q000473:pathology / Q000601:surgery; D008297:Male; D009408:Nerve Compression Syndromes / Q000209:etiology*; D014459:Ulnar Nerve; D014955:Wrist Joint