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NBME 20 Answers

nbme20/Block 4/Question#14

A 60-year-old man has a round, semitransparent ...

Basal cell carcinoma

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All other types are either pigmented or have scales. -- process of elimination





I believe the biopsy description of "small basophillic cells forming tumor islands" is describing the peripheral palisading that is classically seen in Basal cell carcinoma.





'round, semitransparent nodules'

FA2019 p.473 says BCCs are waxy, pink, pearly nodules





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submitted by step1soon(26),

Anything upper lip + above → basal cell carcinoma

Anything lower lip → Squamous cell carcinoma

FA 2019 -pg 473

adong  it's saying upper vs lower lip. this pt has it on the nose +