Imaging of Pelvis

Question 1

[…] of the pelvis is best for imaging of lymph nodes, blood vessels, bone, bladder and bowel.

[…] of the pelvis is best for imaging male and female reproductive organs.

Answer 1

CT

Ultrasound and MRI

Question 2

Also where in the pelvis is this image from?

Answer 2

Question 3

Where in pelvis is this image from? Label.

Answer 3

Question 4

Answer 4

Question 5

On CT, the external iliac vessels follow the […] muscle

On CT, the internal iliac vessels are […] to the external iliac vessels and anterior to the […] muscle.

Answer 5

Iliopsoas

Posterior; piriformis

Question 6

Why is it clinically important to be able to ID iliac vessels on CT?

Answer 6

Question 7

How do you ID ovaries on CT? Label image.

Answer 7

Look for follicles in ovaries

Question 8

What is the significance of the rectouterine pouch? label image.

Answer 8

Intraperitoneal potential space where fluid will collect upon standing if fluid is free in peritoneum.

Question 9

Where was image taken in pelvis? Label.

Answer 9

Lower pelvis - femoral heads visible, coccyx

Question 10

Label.

Answer 10

Question 11

How to ID rectum on CT image?

What are the important landmarks?

Answer 11

Rectum midline filled with gas and feces

Ischiorectal fossa - triangular fat pad

Question 12

Answer 12

Question 13

[…] follow major vessels

Answer 13

Lymph nodes

Question 14

What is the order of the femoral artery, vein and nerve in the femoral triangle?

Answer 14

VAN from medial to lateral

Question 15

How do you differentiate between a transvaginal and transabdominal ultrasound in a female patient?

Answer 15

Transabdominal - should always see bladder and use that as reference

Question 16

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Question 18

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Question 19

MRI is best used in the female patient to do what?

Answer 19

Stage cancer, examine uterine abnormalities, look for pelvic masses, problem solving when better imaging is needed that what US can provide

Question 20

Is MRI used in first trimester of pregnancy?

Answer 20

No

Question 21

Label.

Is this T1 or T2 weighted image? How does fluid appear?

Answer 21

Question 22

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Question 23

Answer 23

Question 24

The central zone of the prostate contains the […]

Most prostate cancers occur in the […] zone

BPH occurs in the […] zone

The urethra is in the […] zone

Answer 24

Ejaculatory ducts

Peripheral

Transitional

Transitional

Question 26

Compare and contrst transabdominal and transrectal ultrasound in a male patient.

Answer 26

Question 27

Transabdominal or transrectal?

Answer 27

Transabdominal

Question 28

Transabdominal or transrectal?

Label.

Answer 28

Question 29

Answer 29

Question 30

What imaging modality is this?

Label.

Answer 30

Question 31

Answer 31

Question 32

Transrectal US is the imaging modality of choice for what in male patients?

Answer 32

For cancer screening with elevated psa

Question 33

When would an MRI of prostate be indicated in male PT?

Answer 33

MRI of the prostate used with CT and bone scan to stage known prostate ca

Question 34

What is the primary imaging modality used to image testicles?

What are the indications for doing this?

Answer 34

Ultrasound

CLINICAL INDICATIONS: Pain, mass in scrotum or inguinal region, undescended testicle

Question 35

Answer 35