title: Cyst infection in unilateral renal cystic disease and the role of diffusion-weighted magnetic resonance imaging.
abstract: In multicystic renal diseases, cyst infection is a complex issue because of the absence of validated diagnostic methods. Unilateral renal cystic disease is a rare multicystic disease, believed to have an acquired maldevelopmental origin. Unilateral renal cystic disease is often confused with autosomal dominant polycystic kidney disease but has some distinguishing characteristics: unilateral localization, negative family history, and no progression to chronic renal failure. We describe a case of unilateral renal cystic disease with cyst infection that could be detected by diffusion-weighted magnetic resonance imaging, but not by conventional imaging techniques. Diffusion-weighted magnetic resonance imaging can be useful for detecting infected cysts, especially in multicystic renal diseases.
authors.affiliation: Department of Urology, Toyama City Hospital, Toyama, Japan. yasutaka@tch.toyama.toyama.jp
authors.forename: Yasukazu
authors.initials: Y
authors.lastname: Takase
authors.forename: Koichi
authors.initials: K
authors.lastname: Kodama
authors.forename: Isamu
authors.initials: I
authors.lastname: Motoi
authors.forename: Katsuhiko
authors.initials: K
authors.lastname: Saito
mesh_terms: D003937:Diagnosis, Differential; D038524:Diffusion Magnetic Resonance Imaging / Q000379:methods*; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007668:Kidney / Q000473:pathology*; D052177:Kidney Diseases, Cystic / Q000175:diagnosis*; D008875:Middle Aged