9.1 CA colon

Question 1

Term to describe whole rectum

Answer 1

Mesorectum

Question 2

Most lesions located at the

Answer 2

Sigmoid and rectum

Question 3

Originating from benign ___
Precancerous ___
_____ (majority of CRC)

Answer 3

Polyps ..
Adenocarcinoma

Question 4

CRC

Answer 4

Colorectal cancer

Question 5

Risks factors of CRC

Answer 5

• Dietary habit
  Consume fatty food and red meat diet
  Low fibre diet
• lack of exercise
• obesity
• alcohol and smoking

Question 6

Ribbon shaped stool

Answer 6

一條條
Due to bowel obstructions

Question 7

Tenesmus

Answer 7

痾唔清
好急但係痾唔到

Question 8

Proctoscopy

Answer 8

直腸鏡

Question 9

Fecal occult blood test FOBT
Sample needed
Comparison

Answer 9

-gFOBT
3 blood samples
-FUT
1-2 samples
More sensitivity and specificity

Question 10

Gold standard for colorectal screening

Answer 10

Colonoscopy

Question 11

Full bowel preparation

Answer 11

3day before: low residue diet
1day before: clear liquid diet
Evening: klean Prep (1sachet dissolve in 1L)

Question 12

Complication of colonoscopy

Answer 12

Perforation
Bleeding

Question 13

Hk CRC screening requirement
Suggest screening interval

Answer 13

50-75y/o
No family Hx
FIT 1-2year
Colonoscopy 10year

Question 14

Colonic stenting

Answer 14

支架
Relieve bowel obstruction

Question 15

Loop colostomy

Answer 15

豬鼻

Question 16

external bag of stoma

Answer 16

pouch

Question 17

wound oozing

Answer 17

滲

Question 18

normal stoma color

Answer 18

pink to red and moist