Case Discussion Pisiform subluxation or dislocation associated with distal radial fracture are often overlooked, especially on plain films. In this case it is obvious. If missed or untreated, pisiform …

Apr 12, 2025 · Very rarely the pisiform may be dislocated without fracture and displaced radially. Radiographic features Plain radiograph Some can be occult on plain film. The pisotriquetral joint is …

Jul 4, 2025 · The pisiform sits in an anterior plane to the rest of the carpal bones and articulates with the triquetrum. It has a spherical shape with a slight distolateral long axis.

Vertical fracture of the pisiform. No associated other carpal bone fractures or dislocation. Soft tissue swelling at the ulnar side of the wrist, suggests associated small hematoma.

Jul 26, 2023 · The academic rule of a true lateral wrist radiograph is defined by the pisoscaphocapitate relationship, where the palmar cortex of the pisiform should lie centrally between the anterior surface …

Case Discussion Pisiform fractures are not commonly seen. If clinical suspicion warrants, additional views can be performed to help with visualization of the pisiform.

Aug 18, 2025 · Triquetral fractures are carpal bone fractures generally occurring on the dorsal surface of the triquetrum. The triquetral may be fractured by means of impingement from the ulnar styloid, …

Comminuted fracture of the pisiform bone with associated soft tissue swelling at the attachment of the flexor carpi ulnaris and abductor digiti minimi tendons. Fragments show minor displacement.

Oct 1, 2025 · CT has a sensitivity of 100% and a specificity of 94% in visualizing fractures of the hamate compared to x-ray which has a sensitivity of 72% and specificity of 88% 4.

Fracture of the pisiform is one of the less common carpal fractures. The ulnar-sided wrist swelling is a helpful clue that there may be an injury to side of the wrist.