title: Influence of morphologic factors on calcium-containing stone formation.
abstract: Pathogenesis of urolithiasis cannot be explained only by metabolic disorder. In the present study, morphologic differences of the renal pelvic-caliceal system (PCS) were examined on both the stone and normal sides in calcium-containing stone formers. The results indicated that as compared to the normal side, the urine flow in the PCS was stagnant or not straight on the stone side even in the same individual, showing unfavorable conditions for stone formation. It is therefore considered that morphologic disorders of the urinary tract may be one of the causes for stone formation.
authors.affiliation: Department of Urology, Kinki University School of Medicine, Osaka, Japan.
authors.forename: Y
authors.initials: Y
authors.lastname: Ishikawa
authors.forename: K
authors.initials: K
authors.lastname: Kohri
authors.forename: M
authors.initials: M
authors.lastname: Iguchi
authors.forename: T
authors.initials: T
authors.lastname: Umekawa
authors.forename: Y
authors.initials: Y
authors.lastname: Katayama
authors.forename: M
authors.initials: M
authors.lastname: Kodama
authors.forename: C
authors.initials: C
authors.lastname: Takamura
authors.forename: M
authors.initials: M
authors.lastname: Takada
authors.forename: Y
authors.initials: Y
authors.lastname: Katoh
authors.forename: K
authors.initials: K
authors.lastname: Kataoka
mesh_terms: D000328:Adult; D002118:Calcium / Q000032:analysis*; D006801:Humans; D007669:Kidney Calculi / Q000737:chemistry / Q000000981:diagnostic imaging / Q000209:etiology*; D007670:Kidney Calices / Q000000981:diagnostic imaging*; D007682:Kidney Pelvis / Q000000981:diagnostic imaging*; D008297:Male; D014567:Urography
chemical_list: D002118:Calcium