title: Perinephric abscess: a report of 20 cases.
mesh_terms: D000038:Abscess / Q000175:diagnosis / Q000503:physiopathology; D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D005260:Female; D006801:Humans; D007674:Kidney Diseases / Q000175:diagnosis / Q000503:physiopathology; D008297:Male; D008875:Middle Aged; D012189:Retrospective Studies