title: Crystallographic study of rhinoliths.
abstract: Five nasal stones were extracted from five patients. The etiology and clinical picture have been discussed. The stones were analysed by a crystallographic method, using an X-ray diffraction technique. Their composition was identified as calcium phosphate.
mesh_terms: D000293:Adolescent; D000328:Adult; D002130:Calcium Phosphates / Q000032:analysis; D002137:Calculi / Q000378:metabolism*; D002648:Child; D005260:Female; D006801:Humans; D008297:Male; D009668:Nose Diseases / Q000378:metabolism*; D014961:X-Ray Diffraction
chemical_list: D002130:Calcium Phosphates