Talus Fractures
A 24-year-old male presents to the emergency department after a snowboarding accident. He describes landing from a jump with his foot in dorsiflexion and the board twisted beneath him. He has significant lateral ankle swelling, ecchymosis, and point tenderness inferior and anterior to the lateral malleolus. Ankle radiographs are reported as "normal" by the emergency physician, but the orthopaedic resident notices a subtle abnormality on the lateral view. A CT scan is ordered which reveals a comminuted fracture of the lateral process of the talus with involvement of the posterior subtalar joint. Regarding lateral process of talus fractures and their diagnosis:
Mark each as TRUE or FALSE
Lateral process of talus (LPT) fractures are called "SNOWBOARDER'S FRACTURES" because the mechanism ...
The LATERAL PROCESS is an extension of the posterior talar body that articulates with the POSTERIOR ...
LPT fractures are common injuries easily diagnosed on plain radiographs; they never involve the subt...
DIAGNOSIS: Plain radiographs miss up to 40% of LPT fractures; best seen on MORTISE view as irregular...
CLINICAL FEATURES: tenderness INFERIOR and ANTERIOR to lateral malleolus (NOT over malleolus itself)...
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Click T (True) or F (False) for each option