Benign and Malignant Neoplasms

Question 1

Small, slow-growing glandular noncancerous tumor of the kidney, usually found at autopsy.

Answer 1

renal adenoma

Question 2

The most common benign solid renal tumor. An adenoma composed of oncocytes (abnormal epithelial cells) that develops in the nephron of the kidney.

Answer 2

renal oncocytoma

Question 3

Also referred to as bladder papilloma. Although this type of tumor is benign when found, recurrences are occasionally malignant.

Answer 3

transitional cell papilloma

Question 4

Also called Wilms Tumor, these tumors develop from kidney cells that did not develop fully before a child’s birth. These cancerous tumors of the kidney occur mainly in children.

Answer 4

nephroblastoma

Question 5

Also referred to as hypernephroma or adenocarcinoma of the kidney, this is one of the most common cancers. Although the cause is unknown, risk factors include smoking and obesity.

Answer 5

renal cell carcinoma

Question 6

These malignant tumors account for approximately 90% of all bladder cancers and arise from the cells lining the bladder. Also called urothelial cell carcinoma.

Answer 6

transitional cell carcinoma (TCC) of the bladder