Dorsal transscaphoid-transtriquetral perilunate dislocation in pseudarthrosis of the scaphoid

Palmar Trans-scaphoid Perilunar Dislocation: A Case Report and a Literature Review of Clinicodemographic Characteristics and Management Options

Palmar trans-scaphoid perilunar dislocation is a rare finding in clinical practice. Herein, we report a case of a young right-handed male hairdresser brought to the emergency room after a heavy blow to his right hand. An X-ray showed a palmar dislocation of the capitate, carpus, and distal scaphoid relative to the lunate, which remains in normal alignment with the radius, with the proximal scaphoid maintaining attachment to the lunate. Open reduction and internal fixation were done in the first week after trauma.

Triple jeopardy: transscaphoid, transcapitate, transtriquetral, perilunate fracture dislocation

Carpal injuries are frequently underdiagnosed and underreported injuries of the hand. Scapholunate perilunate dissociation is the most common perilunate instability pattern seen in clinical practice. Transscaphoid, transtriquetral, transcapitate dislocation with a volar intercalated segment instability pattern is a very rare pattern of carpal injury. We describe a case with this unique pattern of injury, explaining its mechanism and treatment. Good outcome can be achieved in these injuries following open reduction and internal fixation with ligamentous repair.

Volar perilunate dislocation in an ununited scaphoid of a child: a case report

Volar perilunate dislocations of the wrist are rare. An unusual case of volar perilunate dislocation in the presence of an ununited scaphoid in a skeletally immature patient is presented.