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Quiz: Sandy patch on cystoscopy

Poll

A 35-year-old male from Sudan was hospitalized with a right obstructing 1-cm ureteral stone seen on KUB. The KUB also revealed curvilinear calcification in the bladder wall. The patient was taken to the operating room for ureteroscopy and laser lithotripsy. During cystoscopy, a rim of calcification was seen along the right ureteric ridge. What is the diagnosis?

A 35-year-old male from Sudan was hospitalized with a right obstructing 1-cm ureteral stone seen on KUB. The KUB also revealed curvilinear calcification in the bladder wall. The patient was taken to the operating room for ureteroscopy and laser lithotripsy.

During cystoscopy, a rim of calcification was seen along the right ureteric ridge (figure 1a). A biopsy of this area was taken with the pathology shown in figure 1b.

 

 

What is the diagnosis?

A. Genitourinary tuberculosis
B. Squamous cell carcinoma of the bladder
C. Schistosomiasis
D. Uric acid crystallization
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