Benign and Malignant Neoplasms

Question 1

These testicular tumors arise from the stromal tissue of the testes that produce hormones. They are usually benign.

Answer 1

Leydig and Sertoli cell tumors

Question 2

Prostate cancer is diagnosed in one of every six men. With early detection, however, this cancer is treatable.

Answer 2

Adenocarcinoma of the prostate

Question 3

This malignancy is one type of germ cell tumor (GCT) that develops from the cells that form sperm.

Answer 3

Seminoma

Question 4

Nonseminoma is the second type of GCT. It accounts for the majority of testicular cancer cases and occurs in younger men, usually between the ages of 15 and 35.

Answer 4

Nonseminoma

Question 5

This tumor is a type of nonseminoma that is usually benign in children. Because these tumors are created from germ cells, they have half of the necessary genetic information to form an individual. A synonym is the term dermoid cyst.

Answer 5

Teratoma, Malignant