Transitional cell carcinoma MRI

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

MRI

Transitional cell carcinoma of bladder

• MRI is superior to other modalities in locally staging the tumor and is in some instances able to distinguish T1 from T2 tumors on T2 weighted image.

• T1: isointense compared to muscle
• T2: slightly hyperintense compared to muscle
• T1 weighted image with gadolinium contrast: demonstrates enhancement

Transitional cell carcinoma of the renal pelvis

• Transitional cell carcinomas are isointense to renal parenchyma on both T1 and T2 weighted images. Following administration of Gadolinium, TCCs enhance but less so than normal renal parenchyma.
• T1 : Isointense to renal parenchyma
• Moderate enhancement on gadolinium

Signal	Renal Pelvis	Ureter	Urinary Bladder
T1 Signal	Isointense to renal parenchyma	Isointense to muscle	Isointense to muscle
T2 Signal	Isointense to renal parenchyma	Slightly hyperintense to muscle	Slightly hyperintense to muscle
T1 C+ (Gd):	Moderate enhancement	Enhancement	Enhancement