Ch 70: Testicular

Question 1

In the developing embryo, the testes originate from the genital ridge located near
the ___ lumbar vertebra.

Answer 1

In the developing embryo, the testes originate from the genital ridge located near
the second lumbar vertebra.

Question 2

As a result, the primary
lymphatic drainage from the testis is to the _______

Answer 2

As a result, the primary
lymphatic drainage from the testis is to the retroperitoneal lymph nodes.

Question 3

The retroperitoneal lymph nodes are situated
anterior to the ____vertebral bodies, concentrated at the L1-3 level.

Answer 3

The retroperitoneal lymph nodes are situated
anterior to the T11 to L4 vertebral bodies, concentrated at the L1-3 level.

Question 4

On the
left, the lymphatics drain primarily into the______
around the left renal hilum and from there to the interaortocaval nodes

Answer 4

On the
left, the lymphatics drain primarily into the preaortic and paraaortic lymph nodes
around the left renal hilum and from there to the interaortocaval nodes

Question 5

On the right, the first nodes involved are usually in the ____, followed by the preaortic lymph nodes

Answer 5

On the right, the first nodes involved are usually in the precaval or
interaortocaval region, followed by the preaortic lymph nodes

Question 6

From the retroperitoneal nodes, the lymph drains into the cisterna chyli,
thoracic duct, posterior mediastinum, and______. The thoracic
duct drains into the left subclavian vein in the ________

Answer 6

From the retroperitoneal nodes, the lymph drains into the cisterna chyli,
thoracic duct, posterior mediastinum, and left supraclavicular fossa. The thoracic
duct drains into the left subclavian vein in the left supraclavicular region

Question 7

The scrotum drains directly into the _______.

Answer 7

The
scrotum drains directly into the inguinal and external iliac lymph nodes.

Question 8

The_______forms a well-defi ned 1-mm thick rim low in signal on
T1WI and T2WI.

Answer 8

The tunica
albuginea forms a well-defi ned 1-mm thick rim low in signal on
T1WI and T2WI.

Question 9

A small amount of fl uid is normally
present in the scrotum between the layers of the ________

Answer 9

A small amount of fl uid is normally
present in the scrotum between the layers of the tunica vaginalis.

Question 10

The_______is isointense to the testes on T1WI and brightens on T2WI, though to a lesser extent than the testis.

Answer 10

The epididymis is isointense to the testes on T1WI and brightens on T2WI, though to a lesser extent than the testis.