Squamous and glandular metaplasia related to a renal pelvis stone leading to secondary pyeloureteral junction syndrome

H Sawadogo; A Saadi; S Zaghbib; M Ksentini; M Chakroun; M R Ben Slama

doi:10.1016/j.eucr.2023.102555

Squamous and glandular metaplasia related to a renal pelvis stone leading to secondary pyeloureteral junction syndrome

Urol Case Rep. 2023 Sep 6:51:102555. doi: 10.1016/j.eucr.2023.102555. eCollection 2023 Nov.

Authors

H Sawadogo¹, A Saadi¹, S Zaghbib¹, M Ksentini², M Chakroun¹, M R Ben Slama¹

Affiliations

¹ University of Tunis El Manar, Faculty of Medicine, Charles Nicolle Hospital of Tunis, Urology Department, Tunisia.
² University of Tunis El Manar, Faculty of Medicine, Charles Nicolle Hospital of Tunis, Pathology Department, Tunisia.

Abstract

Keratinizing squamous metaplasia of the renal pelvis is a rare lesion of the upper urinary tract that can occur in the context of chronic aggression to the urothelium, potentially leading to a secondary pyeloureteral junction syndrome. We report the case of a 43-year-old patient discovered intraoperatively in relation to a renal pelvis stone causing a pyeloureteral junction syndrome. The extemporaneous histological examination ruled out a malignant process, and we performed a pyeloplasty according to KUSS-ANDERSON technique. This pathology should be recognized by the urologist for appropriate management. Treatment is conservative, with extended follow-up to detect recurrences or carcinomatous degenerations.

Keywords: Pyeloplasty; Pyeloureteral junction syndrome; Renal pelvis stone; Squamous metaplasia.

Publication types

Case Reports