title: Citrobacter perinephric abscess presenting as pneumoscrotum in transplant recipient.
mesh_terms: D000038:Abscess / Q000000981:diagnostic imaging / Q000382:microbiology*; D000328:Adult; D000388:Air; D003937:Diagnosis, Differential; D004756:Enterobacteriaceae Infections; D004925:Escherichia / Q000302:isolation & purification*; D005832:Genital Diseases, Male / Q000000981:diagnostic imaging*; D006801:Humans; D007674:Kidney Diseases / Q000000981:diagnostic imaging / Q000382:microbiology*; D016030:Kidney Transplantation; D008297:Male; D011859:Radiography; D012611:Scrotum / Q000000981:diagnostic imaging*; D014184:Transplantation, Homologous