Article
How I diagnose Erdheim-Chester disease.
American journal of clinical pathology - 4 Aug 2026
Ravindran Aishwarya, Rech Karen L
Abstract excerpt
OBJECTIVES: Erdheim-Chester disease (ECD) is one of 3 major types of histiocytic neoplasms, along with Rosai-Dorfman disease and Langerhans cell histiocytosis. It was first recognized as a neoplasm in the 2016 World Health Organization Classification of Haematolymphoid Tumours. About 80% to 90% of cases harbor MAPK pathway mutations. METHODS: We discuss the diagnosis of ECD using 3 illustrative cases, consider...
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