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Clinical Medicine III > GI: Colon Polyps & Colon CA > Flashcards

GI: Colon Polyps & Colon CA Flashcards

1
Q

What class of polyp?

Hyperplastic
Pseudopolyp (inflammatory)
A

non-neoplastic

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2
Q

What class of polyp?

tubular adenoma
tubulovillous adenoma
villous adenoma
sessile serrated

A

neoplastic (pre-cancer)

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3
Q

MC type of polyp

A

tubular adenoma

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4
Q

3 factors that increase risk of colon CA…

A

of adenomas
size
histology

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5
Q

pt. p/w:

  • cachexia
  • pallor
  • LAD
  • Distension, abd. mass
  • organomegaly
  • Ascites
  • Hemoccult POS
  • rectal mass
A

colon CA

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6
Q

3 lab tests for colon CA…

A

CBC (IDA)
LFTs (alk phos = liver mets)

Carcinoembryonic Antigen (CEA)

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7
Q

tx for rectal adenocarcinoma…

A

radiation

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8
Q

3 surveillance mechanisms for colon CA?

A

serial CEA
annual CT Chest/AP
Periodic Colonoscopy

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9
Q

Gold Standard colon cancer screen

A

colonoscopy

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10
Q

frequency for colonoscopy

A

10 years

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11
Q

frequency for flex sig

A

5 years

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12
Q

this screen can miss flat or small polyps…should be done 5 years

A

CT colonography

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13
Q

which stool test?

Fit + DNA Mutation biomarkers

High risk pts

Positive warrants timely colonoscopy

3 years

A

cologuard

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14
Q

Which stool test?

Tests for human hemoglobin
Preferred CRC detection test
Annual

A

FIT

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15
Q

Which stool test?

one-time screening sensitivity low

A

gFOBT

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16
Q

Do most polyps bleed? what effect does this have on stool tests?

A

don’t bleed

low sensitivity for stool tests

17
Q

Colorectal CA Screening if dx < 60 yo or 2 1st degree relatives

A

Colonoscopy q 5 years beginning age 40 or 10 years younger than age of family member

18
Q

Colorectal CA Screening if dx > 60 yo

A

Colonoscopy at 40

19
Q

Colorectal CA Screening if IBD

A

8-10 years after sxs onset

20
Q

Which hereditary colon CA syndrome?

> 100 polyps
Onset in teenage years

A

FAP

21
Q

Screening if FAP?

A

Early and routine scopes necessary; including EGD

22
Q

Which hereditary colon CA syndrome?

Risk of duodenal, ampullary CA plus extracolonic malignancy

A

FAP

23
Q

Which hereditary colon CA syndrome?

Early onset, right sided colon CA

Increased risk of endometrial CA, extracolonic malignancy

A

Hereditary Nonpolyposis Colorectal CA

24
Q

Dx of Hereditary Nonpolyposis Colorectal CA

A

Amsterdam Criteria

25
Q

Amsterdam Criteria…

A

3 family members
2 generations
1 under 50 yo

26
Q

colon CA screening for Hereditary Nonpolyposis Colorectal CA

A

annual colonoscopy beginning at 20-25 or 2-5 years before earliest FHx

Clinical Medicine III (21 decks)

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