URINARY Section 12: Urethra

Question 1

2 parts of the male urethra.

Answer 1

Anterio and posterior

Question 2

The anterior part of the male urethra is made up of

Answer 2

Penile urethra + bulbar urethra

Question 3

The posterior part of the male urethra is made up of

Answer 3

Membranous + prostatic urethra

Question 4

The most anterior porstion of the male urthra is termed

Answer 4

Fossa navicularis

Question 5

an ovoid mound that lies in the posterior wall of the prostatic urethra.

Answer 5

Verumontanum

Question 6

embryologic “mullerian” remnant)

Answer 6

prostatic utricle

center of teh veumontanum

Question 7

Retrograde study fills what part of the male urethra?

Answer 7

Anterior part

Question 8

Anterograde study fills what part of the male urethra?

Answer 8

Posterior part

Question 9

There are two methods for identifying the bulbar-membranous junction

Answer 9

1. • Find the cone shaped appearance of the bulbar urethra
2. draw a line connecting the inferior marins of the obturato foramina

Question 10

Trauma + Blood in the meatus = Next step?

Answer 10

RUG (retrograde urography)

Question 11

Straddle injury

Crashed your bicycle

Answer 11

Anterior injury

but is often associated with various juggling, fire eating, and sword swallowing injury patterns - as well as mania, and histrionic personality disorder.

Question 12

Pelvic fracture and bladder injury.

Crashed your Ferrary

Answer 12

Posterior injury

I speculate that crashing one’s Ferrari is also associated with sudden and severe atrophy of the penis.

Question 13

Type 1 Urethral injury

Answer 13

Posterior + “Stretched” + Intact urethra noramla on RUG

Question 14

Type 2 Urethral injury

Answer 14

Posterior + Membranous urethra + tear + Above and INTACT UG Diaphragm

+ Extreperitoneal contrast + Incontinence

Question 15

Type 3 Urethral injury

Answer 15

Bulbar + Membranous (ant + post) + UG Diaphragm ruptured

+ Extraperitoneal contrast

+ Perineaal contraast

+ Scrotal contrast

+ Incontinence

Question 16

Type 4 Urethral injury

Answer 16

Posterior + Bladder base + prostatic urethra

+ incontinence

Question 17

Type 5 Urethral injury

Answer 17

anteior + Bulbous urethra

Straddle injury

Question 18

The most common external cause of traumatic stricture

Answer 18

Straddle injury

Question 19

compression of the urethra against the inferior edge of the pubic symphysis.

Answer 19

Straddle injury

Question 20

What urethra is affected in straddle injury?

Answer 20

Bulbuous urethra

Question 21

long irregular stricture

Answer 21

Gonococcal Urethral Stricture

Question 22

Answer 22

Question 23

pancreatic enzymes jacking the urethra.

Answer 23

PAncreatic transplant urethral injury

This has been known to cause urethral injury, if the drainage is to the bladder (the old way of doing it).

Question 24

Multiple small filling defects seen on a RUG should make you think this.

Answer 24

Condyloma Acuminatum

Question 25

Urethrorectal Fistula occurs when?

Answer 25

post radiation

Classically described in brachytherapy

Question 26

esult of long term foley placement.

Answer 26

Urethral Diverticulum

Question 27

Malignant tumors of the male urethra are rare. When they do occur, 80% are

Answer 27

Squamous cell tumors

exception (prostatic urethra has TCC 90% of the time)

Question 28

Cancer in a urethral diverticulum is nearly ALWAYS

Answer 28

Adenocarcinoma (rather than squamous cell)

Question 29

Female + repeated UTI =

Answer 29

Urethral diverticulum

Question 30

Answer 30

Urethral diverticulum

Posterolateral wall M/3

Question 31

Female urethral diverticulum often coexists with

Answer 31

stress ureinary incontinence (60%) and UTI

Question 32

“Saddle-bagg” configuration

Answer 32

Female urethral diverticulum

Question 33

What could develop within a urethral diverticulum in females?

Answer 33

stones = infection = irrittion = inc cancer risct = ADENOCA (60%)