3D Printed Papillary Transitional Cell Carcinoma of the Renal Pelvis

3D Printed Papillary Transitional Cell Carcinoma of the Renal Pelvis Clinical History A 60 year old man who had worked in a paint factory for 40 years developed painless haematuria for one month. CT scan showed a suspected tumour in the left renal pelvis. He underwent a nephrectomy. PathologyThis is the post-nephrectomy kidney. Of note the kidney maintains its foetal lobulation. There is a friable papillary tumour of 35mm in diameter projecting in the renal pelvis. The renal pelvis is visibly dilated due to this obstructing tumor. Histological examination revealed this is papillary transitional cell carcinoma arising in the renal pelvis. Further InformationBetween 5-10% of primary renal cancers arise in the urothelium lining the renal pelvis and calyces. These are similar to tumours which may arise in the ureter and urinary bladder. These tumours range from benign papillomas (rare) to well differentiated papillary carcinomas , which are common, and poorl