CHORUS

Collaborative Hypertext of Radiology

Ureter

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leukoplakia

pre-malignant squamous metaplasia
• can ==> squamous cell Ca of ureter or bladder
• 2' to chronic irritation (eg, infection, stones)

• keratin accumulation + sloughing
  • may cause ureteral obstruction

• 50% calculi
• hematuria in 33%
• bilateral in 10%

Cf: malakoplakia

Related CHORUS documents: chalice (Bergman) sign malakoplakia medially deviated ureter retroperitoneal fibrosis ureteral calcification retrocaval ureter