Three cases of BRAF mutation negative Erdheim-Chester disease with a challenging distinction from IgG4-related disease.
David SpoerlRaphaël AndréAurélie BornandJörg D SeebachPublished in: Allergy, asthma, and clinical immunology : official journal of the Canadian Society of Allergy and Clinical Immunology (2021)
A correct diagnosis of ECD may take several years and often requires revisiting previous hypotheses. Reassessment of histological slides and more modern complementary exams such as PET-CT or BRAF and MAPK-ERK mutation analysis can help to confirm the diagnosis of ECD and to select effective therapy.