title: Diagnosis of Langerhans cell histiocytosis by fine needle aspiration cytology.
mesh_terms: D001707:Biopsy, Needle; D005260:Female; D006646:Histiocytosis, Langerhans-Cell / Q000175:diagnosis*; D006801:Humans; D007223:Infant; D008198:Lymph Nodes / Q000473:pathology; D008875:Middle Aged; D010306:Parotid Gland / Q000473:pathology