472 results
Haggitt Classification of depth of invasion in malignant pedunculated and sessile polyps
Level 1 - confined to
Haggitt Classification ... pedunculated and sessile ... polyps Level 1 ... the head of the polyp ... #polyp #classification
Kikuchi Classification of depth of invasion into the submucosa of a malignant Sessile Polyp

Sm1 - invasion
Kikuchi Classification ... of a malignant Sessile ... Polyp Sm1 - invasion ... submucosa #Kikuchi #Classification ... #Sessile #Polyp
Paris classification of colorectal polyps 
Raised:
 • 1p Pedunculated
 • 1sp Sub-pedunculated
 • 1s Sessile
Flat:
 •
Paris classification ... of colorectal polyps ... Sub-pedunculated • 1s Sessile ... drkeithsiau #Paris #classification ... #colorectal #polyps
Colorectal Lesions - JNET Classification
Type 1:
 - Vessel pattern: Invisible
 - Surface pattern: Regular dark or
Lesions - JNET Classification ... : Hyperplastic polyp ... / Sessile serrated ... polyp Type 2A: ... Lesions #JNET #Classification
Serrated Polyps
Hyperplastic polyps (HPs):
 • Prevalence: 20-30%
 • Size: Usually small or diminutive (s 5mm)
 •
Serrated Polyps ... Hyperplastic polyps ... 70%-80% distal Sessile ... Flat (45%) or sessile ... #Serrated #Polyps
Polyp Incidence on Colonoscopy
Tubular adenoma - 47.2%
Hyperplastic polyp - 16.0%
Tubulovillous adenoma - 17.6%
Normal - 5.6%
Inflammatory polyp
Polyp Incidence ... Hyperplastic polyp ... Inflammatory polyp ... Other - 2.0% Sessile ... Adenocarcinoma in polyp
Colorectal Cancer Screening and Polyp Surveillance Intervals
Colon Cancer Screening - Modality - Interval:
 • Colonoscopy -
Screening and Polyp ... Capsule - q5 years Polyp ... • Adenomatous Polyps ... • Serrated Polyps ... Cancer #Screening #Polyp
Colon Polyp Removal Algorithm - Endoscopy or Surgery Referral
Studies show polyp removal surgeries are performed at
Colon Polyp Removal ... Studies show polyp ... identifies when polyps ... surgery #Colon #Polyp
Risk of Residual Cancer after Endoscopy Resection of Malignant Polyps
Risk Criteria:
 • Resection margin < 1mm
Resection of Malignant Polyps ... Haggitt 4 ++++ • Sessile ... Kikuchi 2 ++ • Sessile ... drkeithsiau #Malignant #Polyp
Hamartomatous Polyposis Syndromes - Peutz-Jeghers Syndrome (PJS), Juvenile Polyposis Syndrome (JPS), Cowden Syndrome (CS), Cronkhite-Canada (CC),
Hamartomatous polyps ... hamartomatous polyps ... hamartomatous polyps ... infolding → Polyp ... , juvenile polyps