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NBME 20 Answers

nbme20/Block 1/Question#30

A 33-year-old woman comes to the emergency ...

Lunate

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submitted by hayayah(416),

Capitate and lunate are in the center of the palm. Capitate is not an option, so lunate is the answer.

Dislocation of lunate may cause acute carpal tunnel syndrome.

yotsubato  Lunate is the only carpal bone that is frequently dislocated. Scaphoid is frequently fractured. Hook of hamate is also frequently fractured. +2  
redvelvet  and also point tenderness in the anatomical snuffbox may indicate a scaphoid fracture. +1  
chandlerbas  yes lunate is the most common dislunated carpal bone ;) +1