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Flashcards in IHC Deck (5)
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1

Positive IHC in small cell carcinoma (neuroendocrine)

Chromogranin, CD56, synaptophysin, p16

2

Mutations in clear cell carcinoma

AT-rich interaction domain 1A [ARID1A] (40%)
phosphatidylinositol-4,5-bisphosphate 3-kinase [PIK3] catalytic subunit alpha [PIK3CA].

3

PAX8 cancers

Mullerian, usually ER/PR positive

4

CK20 positive cancers

Mucinous GI cancers

5

CK7 positive cancers

Ovarian mucinous