title: Chronic perianal pyoderma--a study of the clinical and histogenetic features.
mesh_terms: D000152:Acne Vulgaris / Q000150:complications; D000328:Adult; D000367:Age Factors; D000368:Aged; D001004:Anus Diseases / Q000175:diagnosis*; D002294:Carcinoma, Squamous Cell / Q000150:complications / Q000601:surgery; D002908:Chronic Disease; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007249:Inflammation; D008297:Male; D008875:Middle Aged; D011711:Pyoderma / Q000150:complications / Q000175:diagnosis* / Q000601:surgery; D012737:Sex Factors; D016038:Skin Transplantation; D013544:Sweat Gland Neoplasms / Q000601:surgery; D013545:Sweat Glands / Q000503:physiopathology; D013997:Time Factors; D014184:Transplantation, Homologous