title: Diverse cutaneous manifestations of Erdheim-Chester disease in a woman with a history of Langerhans cell histiocytosis.
authors.affiliation: Department of Dermatology, Yale School of Medicine, New Haven, Connecticut.
authors.forename: Julia Pettersen
authors.initials: JP
authors.lastname: Neckman
authors.affiliation: Department of Internal Medicine, Yale School of Medicine, New Haven, Connecticut.
authors.forename: Joyce
authors.initials: J
authors.lastname: Kim
authors.affiliation: Department of Radiology, Yale School of Medicine, New Haven, Connecticut.
authors.forename: Mahan
authors.initials: M
authors.lastname: Mathur
authors.affiliation: Department of Dermatology, Yale School of Medicine, New Haven, Connecticut.
authors.forename: Peggy
authors.initials: P
authors.lastname: Myung
authors.affiliation: Department of Dermatology, Yale School of Medicine, New Haven, Connecticut.
authors.forename: Michael
authors.initials: M
authors.lastname: Girardi
keywords: BRAF V600E mutation; ECD, Erdheim-Chester disease; Erdheim-Chester disease; LCH, Langerhans cell histiocytosis; PET-CT, Positron emission tomography–computerized tomography; non–Langerhans cell histiocytosis