GI Section III: Misc Liver Conditions

Question 1

Protal Vein Thrombosis occurs in what state?

Answer 1

Hypercoaguable states (Cancer, dehydration, etc..)

Question 2

Protal Vein Thrombosis can lead to?

Answer 2

Cavernous trasnofmation = development of serpiginous vessles in the porta hepatis which may reconstitute in theright and left porta veins.

happends in < 12 months

Question 3

What can cause contour changes that mimic cirrhosis?

Answer 3

Treated breast CA mets to LIVER - Pseudo cirrhosis

showing multifocal liver retraction and enlargement of the caudate

Question 4

cirrhosis of unknown cause.

Answer 4

Cryptogenic Cirrhosis

Question 5

The liver has great ability to regenerate and may double in size in as little as?

Answer 5

3 weeks

Question 6

the most common disease requiring transplantation (followed by EtOH liver disease and cryptogenic cirrhosis).

Answer 6

Hepatitis C

Question 7

The most common implants in adults

Answer 7

Segments 5-8

Question 8

The most common implants in kids

Answer 8

Segments 2-3

Question 9

Contraindications of hepatic implants include

Answer 9

extrahepatic malignancy, advanced cardiac disease, advanced pulmonary disease, or active substance abuse

Question 10

Normal Transplant US

Answer 10

Normal Doppler should have a RAPID upstruke
Diastolic - > Systolic < 0.08 secons

RI = normally 0.5 - 0.7
Hepatic Artery PV < 200 cm/sec

Question 11

Syndrome of Impending Thrombosis

Answer 11

Question 12

What is the primary source of blood for the bile ducts in the tranplanted liver?

Answer 12

Hepatic artery

Question 13

pattern of Doppler ultrasound spectral waveform resulting from arterial stenosis

Answer 13

Tardus Parvus