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Flashcards in GI Deck (31):
1

What view is best for a double contrast evaluation of the duodenum?

Left posterior oblique

2

What is the barium suispension for an upper GI?

250% W/V

3

In double contrast upper GI compression views of the duodenum are best in what view?

prone?

4

What is the dose threshold (rad) for radiation duodenitis?

5000 rad

5

What are the risk factors for cholangiocarcinoma?

PSC, recurrent pyogenic cholangitis, clonorchis senesis, HIV, HEP b/c, EtOH, thorotrast

6

Where is the A ring?

Above the vestibule

7

Where is the B ring

Below the vestibule at the EG junction.

8

What is defined as narrowing of the b-ring?

<13mm

9

What is the Z line

Squamocolumnar junction between esophageal and gastric epithelium.

10

Where is the location of zenker divertic?

posterior hypopharnyx

11

Where is the location of kilian-jamieson tic?

lateral in the cervical esphagus (inf to cricopharyngeus)

12

Where is the cricopharyngeus?

C5-C6

13

High esopheageal stricture and hiatal hernia is assoicated with that?

Barrets

14

"Ringed Esophagus"?

Eosinophilic esophagitis

15

What does "nissen" mean in fundoplycation?

360 wrap

16

Most common reason for recurrent reflux after nissen?

Slipped nissen

17

Most common reason for a slipped nissen?

Short esophagus

18

What is a short esophagus?

hiatal hernia which is fixed > 5cm

19

What is the length criteria for a slipped nissen?

length of narrowed esophagus > 2cm

20

What is the treatment for short esophagus?

collis gastroplasty

21

Classic history for squamous cell CA in esophagus

AA male, etoh abuse, lye injection with a stricture/ulcer/mass in mid esophagus

22

What is the DDX for stricutre/ulcer/mass in mid esophagus?

Caliac, achalsia, lye, tylosis, plumber vinson syndrome, nitroamine esposure

23

What is Tylosis

Howel-evans syndrome, Autodominante, hyperkeytosis of the palms and soles with assoication of esophegal cancer

24

What are the four assoications with plumber vinson syndrome?

dysphagia
iron-deficiency anaemia
weight loss
oesophageal webs or hypopharyngeal webs

25

What is the classic history and location of adenoCA in the esophagus?

White guy, PPI use, prior hx of barrets, stricture/ulcer/mass in lower esophagus

26

Difference between stage 3 and 4 esophegal ca?

3 within the adventitia, stage 5 invasion into adjacent strucutures

27

"Cord like excresenses into esophagus"?

Squamous Papillomotosis

28

Glycogenic Acanthosis: Who gets it? Mimics what? Cancer risk?

Asymptomatic elderly patients
Mimic of candidiasis
No risk of Ca
White nodules, no s/sx

29

Who is at risk for candidiasis of the esophagus?

HIV/Transplant (Immune compromised)
Achalasia/scleroderma (motility disorders)

30

What is the appearance of esophageal candidiasis

Vertically oriented along the long axis discrete plaque like lesions

31

Difference between CMV/HIV and Herpes ulcers

Herpes, small, muliple discrete upper/mid esophagus with a halo

CMV/HIV large flat ulcers