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FRCPath Haem Part 1 MCQ- Oncology 62

A 52yr-old man present with bone pain, D insipidus and eye swelling. Biopsy shows foamy histiocytes with CD68+163-1a-. CT with hairy kidney features. Mutation?

  • KIT D816V mutation

  • GBA1 Mutation

  • BRAF V600E mutation

  • SMPD1 Mutation


1 Comment


adwaan567
Sep 08, 2025

Correct answer: BRAF V600E. This is Erdheim chester disease

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