Dr. Michael Chew @mchew85
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GrepMed Gastroenterology-Hepatology Editor, Academic Hospitalist UC Davis Medical Center Internal Medicine, Yale Gastroenterology Fellow '22
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Polyp Incidence on Colonoscopy
Tubular adenoma - 47.2%
Hyperplastic polyp - 16.0%
Tubulovillous adenoma - 17.6%
Normal - 5.6%
Inflammatory polyp
Polyp Incidence ... on Colonoscopy ... adenoma - 17.6% Normal ... #Incidence #Colonoscopy ... #differential #
Colonoscopy Followup Intervals 
10 years: Normal colonoscopy, ≥ 20 HP < 10mm
7-10 years: 1-2 adenomas <
Colonoscopy Followup ... Intervals 10 years: Normal ... colonoscopy, ≥ ... Sessile serrated polyps ... #Colonoscopy
Cold Snare Polypectomy - Tips and Tricks
 - Before initiating cold snare polypectomy, it is important
and size of the polyp ... In most cases, this ... channel of the colonoscope ... anchored to the normal ... gastroenterology #fellows #colonoscopy
Gastrointestinal Causes of Iron Deficiency Anemia
 • Mass lesions: Carcinoma, Large polyps
 • Inflammatory: Reflux esophagitis,
Gastrointestinal Causes ... Carcinoma, Large polyps ... Deficiency #Anemia #Causes ... #differential #
Trichuris dysentery syndrome on sigmoidoscopy (whipworms)

An 8y child was referred for sigmoidoscopy from a pediatric unit.
thought of a rectal polyp ... (mentioned cause ... sigmoidoscopy #colonoscopy
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Abnormal liver function tests algorithm.
 This figure details the initial response to abnormal liver blood tests.
Abnormal liver function ... tests algorithm ... initial response to abnormal ... #Algorithm #Hepatology ... Liver #Enzymes #Differential
Algorithm regarding the diagnosis and treatment of Hereditary Hemochromatosis HH. 

Step 1: In the patient with
Algorithm regarding ... <45% and SF is normal ... out additional causes ... If other causes ... hemochromatosis #algorithm
Causes of a low fecal elastase
Abnormal pancreatic imaging:
Chronic pancreatitis, Pancreatic tumours including cystic disease, Pancreatic resection,
Causes of a low ... fecal elastase Abnormal ... pancreas), Genetic causes ... elastase #low #differential ... #diagnosis #causes