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NBME 20 Answers

nbme20/Block 2/Question#40

A 70-year-old man has a 3-month history of weakness ...

Squamous cell carcinoma

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submitted by hayayah(505),

Squamous cell carcinoma characteristics: cavitation, hypercalcemia, associated with smoking.

Small cell may actually produce antibodies against presynaptic Ca channels.

smc213  Increased PTHrP seen in squamous cell lung cancer leads to increased Ca2+ levels +4  

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submitted by eacv(9),

to add : it also ARISE FROM BRONCHUS and that is described in the qx.