Transscaphoid transcapitate transtriquetral perilunate fracture-dislocation: a case report

Area of Science:

• Orthopedic Surgery
• Trauma Care
• Anatomy

Background:

• Wrist injuries can range from simple sprains to complex fracture-dislocations.
• Greater arc injuries represent a severe category of carpal trauma.
• Understanding the mechanism and extent of injury is crucial for treatment.

Observation:

• A rare case of stage III greater arc fracture-dislocation of the carpus was identified.
• The injury pattern included a transscaphoid, transcapitate, and transtriquetral dorsal perilunate fracture-dislocation.

Findings:

• This specific injury pattern indicates significant carpal instability.
• The involvement of multiple carpal bones (scaphoid, capitate, triquetrum) highlights the severity.
• Dorsal perilunate dislocation suggests a specific direction of carpal bone displacement.

Implications:

• Accurate diagnosis of such complex injuries is vital for appropriate surgical management.
• This case highlights the importance of recognizing rare fracture-dislocation patterns.
• Further research into optimal treatment strategies for greater arc injuries is warranted.