title: A pyelographic sign in the diagnosis of perinephric abscess.
authors.forename: D T
authors.initials: DT
authors.lastname: PREHN
mesh_terms: D000038:Abscess; D006801:Humans; D007674:Kidney Diseases; D010501:Perinephritis / Q000175:diagnosis*; D014552:Urinary Tract Infections; D014567:Urography