title: Nodular 'pure' mucocutaneous histiocytosis X in an adult.
mesh_terms: D000328:Adult; D002601:Chancre / Q000175:diagnosis; D003937:Diagnosis, Differential; D006646:Histiocytosis, Langerhans-Cell / Q000175:diagnosis* / Q000473:pathology; D006801:Humans; D008297:Male; D008976:Molluscum Contagiosum / Q000175:diagnosis; D010409:Penile Diseases / Q000175:diagnosis*; D012871:Skin Diseases / Q000175:diagnosis*