title: A 75-year-old woman admitted to the ICU with respiratory failure.
authors.affiliation: Medical ICU, University Hospital of Nancy, Nancy. Electronic address: m.conrad@chu-nancy.fr.
authors.forename: Marie
authors.initials: M
authors.lastname: Conrad
authors.affiliation: Department of Internal Medecine, Assistance Publique-Hôpitaux de Paris, Pitié-Salpetrière Hopital, Paris, France.
authors.forename: Julien
authors.initials: J
authors.lastname: Haroche
authors.affiliation: Department of Internal Medecine, Assistance Publique-Hôpitaux de Paris, Pitié-Salpetrière Hopital, Paris, France.
authors.forename: Frédéric
authors.initials: F
authors.lastname: Charlotte
authors.affiliation: Department of Internal Medecine, Assistance Publique-Hôpitaux de Paris, Pitié-Salpetrière Hopital, Paris, France.
authors.forename: Baptiste
authors.initials: B
authors.lastname: Hervier
authors.affiliation: Department of Internal Medecine, Assistance Publique-Hôpitaux de Paris, Pitié-Salpetrière Hopital, Paris, France.
authors.forename: Zahir
authors.initials: Z
authors.lastname: Amoura
authors.affiliation: Medical ICU, University Hospital of Nancy, Nancy.
authors.forename: Pierre-Edouard
authors.initials: PE
authors.lastname: Bollaert
authors.affiliation: Medical ICU, University Hospital of Nancy, Nancy.
authors.forename: Sebastien
authors.initials: S
authors.lastname: Gibot
mesh_terms: D000368:Aged; D001706:Biopsy; D003937:Diagnosis, Differential; D004452:Echocardiography; D031249:Erdheim-Chester Disease / Q000150:complications* / Q000175:diagnosis; D005260:Female; D006646:Histiocytosis, Langerhans-Cell / Q000150:complications* / Q000175:diagnosis; D006801:Humans; D007362:Intensive Care Units; D049268:Positron-Emission Tomography; D012131:Respiratory Insufficiency / Q000175:diagnosis* / Q000209:etiology; D014057:Tomography, X-Ray Computed