Ectopic Bone as a Nidus for Calcium Oxalate Urocystolithiasis in a Cat

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Abstract

A 7-year-old female spayed domestic shorthair cat was referred to the urology service for nonsurgical urocystolith removal. A urolith was attached to the urothelium by ectopic bone. Interventional removal without surgery was successful. Follow-up evaluation 3 years after urolith removal revealed recurrent uroliths, bladder wall mineralization, and marked renal mineralization. This case illustrates the metaplastic potential of the urothelium and that ectopic bone should be included among the pathological factors that promote lithogenesis.

Original languageEnglish (US)
Pages (from-to)1866-1870
Number of pages5
JournalJournal of veterinary internal medicine
Volume31
Issue number6
DOIs
StatePublished - Nov 1 2017

Bibliographical note

Publisher Copyright:
Copyright © 2017 The Authors. Journal of Veterinary Internal Medicine published by Wiley Periodicals, Inc. on behalf of the American College of Veterinary Internal Medicine.

Keywords

  • Dystrophic mineralization
  • Ectopic ossification
  • Heterotopic bone

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