Pre-percutaneous nephrolithotomy opacification for caliceal diverticular calculi.
Caliceal diverticula harbor calculi in as many as 50% of cases. Such stones rarely pass spontaneously. Various stone-removal techniques have been used, with percutaneous techniques generally having the best results. In patients with nonradiopaque stones or in whom the diverticulum does not opacify when contrast is instilled retrograde or by intravenous urogram, contrast can be instilled directly into the cavity with CT or ultrasound guidance. Three such cases are described, with good results.
Methodist Hospital Institute for Kidney Stone Disease, Indiana University School of Medicine, Indiana Kidney Stone Institute, Indianapolis, Indiana 46202, USA.
Brian R
BR
Matlaga
Samuel C
SC
Kim
Stephanie L
SL
Watkins
Larry C
LC
Munch
Brandon W
BW
Chan
James E
JE
Lingeman
D000293:Adolescent; D000328:Adult; D004240:Diverticulum / Q000175:diagnosis / Q000628:therapy*; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007669:Kidney Calculi / Q000175:diagnosis / Q000628:therapy*; D007670:Kidney Calices / Q000000981:diagnostic imaging / Q000503:physiopathology*; D008297:Male; D009403:Nephrostomy, Percutaneous / Q000379:methods*; D018570:Risk Assessment; D014057:Tomography, X-Ray Computed / Q000379:methods; D016896:Treatment Outcome; D018608:Ultrasonography, Doppler; D014567:Urography / Q000379:methods