Shielding for scattered radiation to the testis during pelvic radiotherapy: is it worth?

To assess the value of external shielding of the testis during pelvic radiotherapy.Nineteen patients, receiving radiotherapy to the pelvis with the lower border of the field at the obturator foramen, were randomly selected. A 5 half value layer cerrobent shield was positioned at the inferior border of the field. The dose to the testis was measured with and without the shield. Observations were made regarding the reflex cremaster contraction and...