title: Histiocytic and/or reticulum cell neoplasias.
mesh_terms: D003937:Diagnosis, Differential; D006646:Histiocytosis, Langerhans-Cell / Q000175:diagnosis* / Q000209:etiology; D006801:Humans; D008206:Lymphatic Diseases / Q000175:diagnosis* / Q000209:etiology; D016403:Lymphoma, Large B-Cell, Diffuse / Q000175:diagnosis* / Q000209:etiology