Kidney CT Appearances
Renal Transitional Cell Carcinoma (TCC) CT Findings
- Sessile filling defect in the renal pelvis
- Tumor center within the collecting system
- Homogeneous
- Compression of renal sinus fat
- Focal or diffuse mural thickening
- Focally obstructed calices
- Unilateral most of the time but can be multifocal
- May have necrosis
Other Information About Renal Transitional Cell Carcinoma (TCC)
Etiology:
- Unknown
- Cigarette smoking increases the risk of renal TCC
- Exposure to aristolochic acid, certain dyes and chemicals has been linked to renal TCC
Epidemiology:
- Typically presents in the 7th-8th decades of life
- More common in males
Presentation:
- Hematuria
- Back pain
- Fatigue
- Dysuria
- Weight loss
Prognosis:
- The 5-year survival rate for all stages is roughly 70-75%
Related Pearls: Transitional Cell Carcinoma: TCC
Related Lectures:
Transitional Cell Carcinoma of the Kidneys 2022: Pearls and Pitfalls - Part 2
Transitional Cell Carcinoma of the Kidneys 2022: Pearls and Pitfalls - Part 3
CT of Calyceal Abnormalities in the Kidney: Pearls and Pitfalls - Part 2
MDCT/CTA Evaluation of the Suspected Renal Mass: Key Differential Diagnosis Points - Part 3
Renal Tumors Beyond Renal Cell Carcinoma: Pearls, Pitfalls and Key Diagnostic Findings - Part 3
Renal Tumors Beyond Renal Cell Carcinoma: Pearls, Pitfalls and Key Diagnostic Findings - Part 4