title: Unusual occurrence of acute low back pain in a patient with ruptured urachal cyst.
authors.forename: A
authors.initials: A
authors.lastname: Ambrozic
authors.forename: S
authors.initials: S
authors.lastname: Praprotnik
authors.forename: B
authors.initials: B
authors.lastname: Rozman
mesh_terms: D000208:Acute Disease; D000293:Adolescent; D006801:Humans; D017116:Low Back Pain / Q000000981:diagnostic imaging*; D008297:Male; D012422:Rupture, Spontaneous; D014463:Ultrasonography; D014496:Urachal Cyst / Q000000981:diagnostic imaging*