FRCPath Part 1 Practice Questions - FRCPath Part 1 Examination Exam

Which immunohistochemical marker is most useful for confirming a diagnosis of gastrointestinal stromal tumour (GIST)?

Desmin S100 DOG1 (and CD117/KIT) Cytokeratin AE1/AE3

DOG1 (and CD117/KIT)

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