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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Causes of a low fecal elastase
Abnormal pancreatic imaging:
Chronic pancreatitis, Pancreatic tumours including cystic disease, Pancreatic resection,
Causes of a low ... pancreatitis, Pancreatic ... resection, Pancreatic ... fecal #elastase #low ... #differential #
Causes of Low Vitamin B12 Levels
Low vitamin B12 intake - Vegetarianism, chronic alcoholism and older people
Autoimmune
Causes of Low Vitamin ... B12 Levels Low ... overgrowth, chronic pancreatic ... VitaminB12 #deficiency #low ... #cobalamin #differential
Classification of Pancreatic Fluid Collections
Interstitial Edematous Pancreatitis: 
 < 4 weeks - Acute (peri)panreatic fluid collection
Classification of Pancreatic ... - Acute (peri)panreatic ... ≥ 4 weeks - Pancreatic ... Intra and/or extra pancreatic ... well-defined wall #Pancreatic
Pancreatic Cyst Diagnosis on Endoscopic Ultrasound EUS
Features of low cancer risk: No symptoms caused by the
Pancreatic Cyst ... EUS Features of low ... widening of the main pancreatic ... , Widened main pancreatic ... duct #Pancreatic
Overview of Pancreatic Cysts
True Epithelial Cyst
Serous Cystadenoma (SCA)
Mucinous Cystic Neoplasm (MCN)
Intraductal Papillary Mucinous Neoplasm (IPMN)
Cystic Neuroendocrine
Overview of Pancreatic ... Pseudocysts #Pancreatic ... comparison #table #differential
Pancreatic cystic lesions (PCLs)
 - classified into simple retention cysts, pseudocysts and cystic neoplasms 
 -
Pancreatic cystic ... @KM_Pawlak #Pancreatic ... diagnosis #management #differential
General algorithm for the management of inflammatory pancreatic fluid collections. 

ANC, acute necrotic collection; APFC, acute
of inflammatory pancreatic ... walled-off-necrosis #pancreatic
Tumor markers in clinical practice
Colorectal - CEA
Hepatocellular - AFP
Pancreatic - CA 19-9
Ovarian - CA 125
Breast -
Hepatocellular - AFP Pancreatic
Deciphering the SAAG - Serum to Ascites Albumin Gradient
Ascites is either made in the liver sinusoid
oncotic pressure Low ... Interpretation #Differential
Portal Hypertension Differential

#Diagnosis #Hepatology #Differential #PortalHypertension #PortalHTN #Prehepatic #Posthepatic #Intrahepatic
Portal Hypertension Differential ... Diagnosis #Hepatology #Differential