nbme21/Block 1/Question#23

A 59-year-old man comes to the physician because of ...

Foci of keratinization

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submitted by est88(4),

I believe its Squamous cell carcinoma. Its centrally located, smoker, and its a hilar mass. Keratin pearls.

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submitted by thechurchofbobbyhill(0),

Hi- I don't have an explanation for this but I am also curious as to why this was the answer.