Scrotal Ultrasound

Question 1

what externally divides the scrotum

Answer 1

median raphe

Question 2

what internally divides the scotum

Answer 2

dartos tunica

Question 3

thickness of scrotal wall

Answer 3

2-8mm

Question 4

what is the scortum lined by

Answer 4

tunica vaginalis

Question 5

what are the 2 layers of the tunica vaginalis and what is between them

Answer 5

parietal
visceral
1-2ml of fliud

Question 6

what does scrotum contain

Answer 6

testicwels
epididymis
vas derferens
spermatic cord

Question 7

length of testicles

Answer 7

3-5cm

Question 8

width of testicles

Answer 8

2-4cm

Question 9

ap of testicles

Answer 9

3cm

Question 10

what is the fibrous layer surrounding the testes

Answer 10

tunica albuginea

Question 11

what forms the mediastinum posteriorly

Answer 11

tunica albuginea

Question 12

the tunica albuginea forms the _____ posteriorly

Answer 12

mediastinum

Question 13

invaginations of the tunica albuginea divide the testicle into ____ (how many)

Answer 13

lobules (250-400)

Question 14

the lobules of the testes contain

Answer 14

seminferous tubules

Question 15

what is the site of spermatogenesis

Answer 15

seminiferous tubules

Question 16

mediastinum function

Answer 16

forms support for testicular vessels and ducts extending from the testes

Question 17

rete testis are formed by converging ___- at the mediastinum and join to form

Answer 17

seminiferous tubules
efferent ducts

Question 18

rete testis carries

Answer 18

seminal fluid to the epididymis

Question 19

bare area of testes

Answer 19

no peritoneum, small portion post testis and epdidymis

Question 20

point of attachment of testes to scrotal wall by _____ layer of ________

Answer 20

visceral
tunica vaginalis

Question 21

point of attachment of testes is ___

Answer 21

post

Question 22

appendix testes

Answer 22

remnatn of mullerian duct
upper pole of testes
no function

Question 23

epididymis tail empties into

Answer 23

vas deferens

Question 24

epidiymis length

Answer 24

7-8cm

Question 25

epididymis head AP

Answer 25

10-12mm

Question 26

epididymis body AP

Answer 26

2-4mm

Question 27

epididymis tail AP

Answer 27

2-5mm

Question 28

3 epidiymal functions

Answer 28

conveys sperm to SV stores small quantities of sperm site of maturation of sperm

Question 29

site of maturation of sperm

Answer 29

epididymis

Question 30

appendix epididymis

Answer 30

remnant of mesonephric (wolffian) duct generallyt around head of epididymis

Question 31

spermatic cord contains

Answer 31

vas deferens arteries papiniform plexus lymphatics nerves

Question 32

testicular arteries originate/supply

Answer 32

o: ant aorta s: testicles

Question 33

deferential arteries originate/supply

Answer 33

o: inf vesicular artery s: epidiymis/vas deferens

Question 34

cremasteric arteries originate/supply

Answer 34

o: inf epigastric artery s: peri testicular tissue

Question 35

venous drainage of testes via

Answer 35

pampiniform plexus -> testicular veins -> IVC/LRV

Question 36

testicular artery ____ resistance

Answer 36

low

Question 37

cremasteric and deferential artery have ___ resistance

Answer 37

high

Question 38

mediastinum appearance sag

Answer 38

hyper line from sup to inf

Question 39

trans mediastinum appreance

Answer 39

hyper region medially

Question 40

rete testis appearance

Answer 40

decreased echogenicity at mediastinum or tiny cystic areas difficult to identify normally

Question 41

epididymis appearance

Answer 41

iso/slightly hyper to testicles slightly coarser

Question 42

extratesticular masses = usually

Answer 42

benign

Question 43

intratesticular masses = usually

Answer 43

malignant