Carpal Fractures
A 32-year-old man presents after a high-energy fall onto an outstretched hand. Radiographs show a fracture through the body of the lunate with an associated perilunate dislocation. CT scan confirms a comminuted lunate fracture with dorsal fragment displacement. Regarding lunate fractures and their classification:
Mark each as TRUE or FALSE
Lunate fractures are rare (0.5-6.5% of carpal fractures) and are classified into five types: Type 1 ...
The lunate has a tenuous blood supply with variable intraosseous anastomoses; it receives vessels th...
Isolated lunate fractures are more common than those associated with perilunate dislocations; the lu...
Type 5 (transverse body) fractures are most commonly associated with perilunate dislocations and rep...
The differential diagnosis includes Kienböck's disease (avascular necrosis of the lunate); distingui...
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Click T (True) or F (False) for each option