title: Acute flank pain with intra-abdominal cystic mass.
authors.affiliation: Department of Emergency Medicine, Chi-Mei Medical Center, Tainan, Taiwan.
authors.forename: Pei-Chen
authors.initials: PC
authors.lastname: Lin
authors.forename: Wei-Jing
authors.initials: WJ
authors.lastname: Lee
mesh_terms: D015746:Abdominal Pain / Q000209:etiology*; D000328:Adult; D004322:Drainage; D006801:Humans; D006869:Hydronephrosis / Q000150:complications* / Q000000981:diagnostic imaging* / Q000601:surgery; D008297:Male; D009403:Nephrostomy, Percutaneous; D014057:Tomography, X-Ray Computed