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Fig. 1 | BMC Musculoskeletal Disorders

Fig. 1

From: Atypical osteochondroma of the hamate that presented clinically as carpal tunnel syndrome: report of an extremely rare case and literature review

Fig. 1

a Plain radiographs of the left hand at the first examination showed a morphological abnormality of the hamate and free body proximal to the pisiform (arrow). b–d Computed tomography showed a spiky bony protrusion (asterisk) into the carpal tunnel and rounded bony protrusion (arrowhead) on the dorsal–ulnar side of the hamate. e, f Magnetic resonance images showed that the bony protrusions were connected to the hamate body and had the same intensity as bone marrow. f Tenosynovitis of the flexor tendons (T) and edematous changes in the median nerve (Me) were confirmed. The subcutaneous lipoma (hash mark) with high intensity superficial to the spiky bony protrusion was found by chance

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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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