CHORUS

Collaborative Hypertext of Radiology

Kidney

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filling defect in renal collecting system

• transitional cell carcinoma
• blood clot
• lucent calculus (urate)

less common causes:

• fungus ball
• sloughed papilla
• fibroepithelial polyp
• invasion by hypernephroma
• malakoplakia
• vessel impression
• metastases

Related CHORUS documents: renal calculi malakoplakia matrix calculi renal adenocarcinoma tuberous sclerosis (Bourneville disease) bladder calcification