title: Colloid milium. A clincopathologic study of four cases.
abstract: Four cases of colloid medium are presented. The light and electron microscopic pathological changes are described and the important role of  the sunlight exposure in producing these lesions in out-door workers in Iran is emphasized.
mesh_terms: D000328:Adult; D000686:Amyloidosis / Q000175:diagnosis; D001706:Biopsy; D003094:Collagen / Q000032:analysis; D003102:Colloids; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008297:Male; D012867:Skin / Q000473:pathology; D012871:Skin Diseases / Q000175:diagnosis / Q000209:etiology* / Q000473:pathology; D013472:Sunlight
chemical_list: D003102:Colloids; D003094:Collagen