AE1/AE3

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AE1/AE3 is a common immunostain that marks keratins. It is considered a pankeratin by most.

Positive

Most or all carcinomas.

Sarcomas:

Negative

Most lymphomas.
Most sarcomas.
- Biphenotypic sinonasal sarcoma.

See also

CK7.
CK20.
EMA.

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Immunohistochemistry