2947 results
Elevated Liver Enzymes - Differential Diagnosis Algorithm
Severe ALT > 15x ULN
 • Viral
 • Drugs/Toxins
 •
— Normal Bile Ducts ... - Dilated Bile Ducts ... • Common Bile Duct ... Diagnosis #Algorithm #Causes
Pancreatic Duct Stones on Ultrasound
Dilated pancreatic duct with calculi in pancreatic duct. Helpful tip- If pancreatic
Pancreatic Duct ... in pancreatic duct ... If pancreatic duct ... Ductal obstruction caused ... these stones is a cause
Pancreatic Cyst Diagnosis on Endoscopic Ultrasound EUS
Features of low cancer risk: No symptoms caused by the
risk: No symptoms caused ... main pancreatic duct ... risk: Symptoms caused ... such as jaundice, nausea ... main pancreatic duct
Jaundice - Differential Diagnosis Algorithm
Pre-Hepatic - Unconjugated Hyperbilirubinemia
Increased Production
 • Hemolysis
 • Ineffective Erythropoiesis
 • Hematoma
Decreased
- Usually has Duct ... Ultrasound Biliary Duct ... Diagnosis #Algorithm #Causes
Primary Biliary Cirrhosis (PBC) - Summary

PBC Epidemiology:
 • Female:Male 9:1
 • Common European descent
 • Age:
intralobular bile ducts ... intralobular bile ducts ... causes cholestasis ... interlobular bile ducts ... disease, Bile duct
Neck Mass - Differential Diagnosis Framework
Inflammatory:
 • Viral (reactive): EBV, HIV
 • Bacterial: Staph/Strep, Tularemia, Brucella
• Thyroglossal Duct ... Differential #Diagnosis #causes
Palpable Gall Bladder: Cholangiocarcinoma has caused patient's gall bladder to become markedly dilated, and therefore,
easily palpable
Cholangiocarcinoma has caused ... dilated common bile duct ... dilated intrahepatic ducts
Classification of Jaundice
Unconjugated hyperbilirubinemia (predominantly indirect bilirubin)
 • Increased bilirubin production (eg, hemolytic anemias, hemolytic reactions,
cholestasis, and some cases ... miscellaneous causes ... carcinoma of biliary duct ... pressure on bile duct ... #differential #causes
Congenital Dacryocystocele on Physical Exam

Caused by accumulation of fluid trapped within the lacrimal sac, blocked at
Physical Exam Caused ... the nasolacrimal duct ... common canalicular duct
Ear Pain (Otalgia) - Differential Diagnosis Framework

Primary Otalgia 
 - Pain that originates from the ear
otalgia Most Common Causes ... externa Mechanical Causes ... Otitis externa - Caused ... salivary gland duct ... sialolithiasis (salivary duct