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Flashcards in GI6 Deck (18):
1

Site of anastomosis: Esophagus
- Clinical sign
- Portal <> Systemic

Esophageal varices

Left gastric <> Esophageal

2

Site of anastomosis: Umbilicus
- Clinical sign
- Portal <> Systemic

Caput medusae

BELOW umbilicus:
-Paraumbilical <> Superficial and Inferior epigastric
ABOVE umbilicus:
-Superior epigastric <> Lateral thoracic

3

Site of anastomosis: Rectum
- Clinical sign
- Portal <> Systemic

Internal hemorrhoids

Superior rectal <> middle and inferior rectal

4

What is the treatment for Portosystemic anastomoses?

Transjugular Intrahepatic Portosystemic Shunt (TIPS)
-Between portal vein and hepatic vein percutaneously relieves portal hypertension by shunting blood to the systemic circulation

5

What is the pectinate line?

Where endoderm (hindgut) meets ectoderm

6

Above or Below Pectinate line:
- Internal Hemorrhoids

Above

7

Above or Below Pectinate line:
- Squamous cell carcinoma

Below

8

Above or Below Pectinate line:
- External Hemorrhoids

Below

9

Above or Below Pectinate line:
- Adenocarcinoma

Above

10

What is the arterial supply above the pectinate line?

Superior rectal artery

11

What is the arterial supply below the pectinate line?

Inferior rectal artery

12

The superior rectal artery is a branch off of what?

IMA

13

The inferior rectal artery is a branch off of what?

Internal pudenal artery

14

Lymph drainage from Above pectinate line.

Deep nodes

15

Lymph drainage from Below pectinate line.

Superficial inguinal nodes

16

What hemorrhoids are painful?

External (recieve somatic innervation - inferior rectal branch of pudendal n.)

17

What is the venous drainage from Above the pectinate line?

Superior Rectal v. --> Inferior Mesenteric v. --> Portal system

18

What is the venous drainage from Below the pectinate line?

Inferior Rectal v. --> Internal Pudendal v. --> Internal Iliac v. --> IVC