127 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
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
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
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
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),
Gene Mutation - Classic ... Hamartomatous polyps ... hamartomatous polyps ... infolding → Polyp ... , juvenile polyps
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
Colonoscopy Followup Intervals 
10 years: Normal colonoscopy, ≥ 20 HP < 10mm
7-10 years: 1-2 adenomas <
adenomas SSPs: Sessile ... serrated polyps
Antiarrhythmic Drugs

CLASS IA
 • Procainamide, Quinidine, Disopyramide
CLASS 1B
 • Lidocaine, Mexiletine
CLASS 2
 • Propranolol, Esmolol
CLASS 4
Antiarrhythmic Drugs CLASS ... Disopyramide CLASS ... Lidocaine, Mexiletine CLASS ... #Medications #Classes ... #Classification
Antiretroviral Medication Names and 3-Letter Abbreviations by Class

Paul E. Sax, MD

#Antiretroviral #Medication #Names #Classification #HAART #Classes
Abbreviations by Class ... Medication #Names #Classification ... #HAART #Classes