Sandbox:Jaundice

Differential diagnosis

Abbreviations: RUQ= Right upper quadrant of the abdomen, LFT= Liver function test, SIRS= Systemic inflammatory response syndrome, ERCP= Endoscopic retrograde cholangiopancreatography, N= Normal, AMA= Anti mitochondrial antibodies, LDH= Lactate dehydrogenase, GI= Gastrointestinal, CT= Computed tomography

Classification of jaundice based on etiology Disease History and clinical manifestations Diagnosis Lab Findings Other blood tests Other diagnostic Family history Fever RUQ Pain Pruritis AST ALT ALK BLR Indirect BLR Direct Viral serology Jaundice Hepatocellular Jaundice Hemochromatosis + - -/+ - ↑ ↑ ↑/N ↑/N N - Ferritin ↑ Liver biopsy Wilson's disease + - -/+ - ↑ ↑ N ↑/N N - Serum cerulloplasmin ↑ Liver biopsy Viral hepatitis - -/+ - - ↑ ↑ N ↑/N N + Specific viral antibody for each type - Alcoholic hepatitis - - - - ↑ ↑↑ N ↑/N N - - - Drug induced hepatitis - -/+ - - ↑ ↑ N ↑/N N - - - Autoimmune hepatitis -/+ - - -/+ ↑ ↑ N ↑/N N - Anti-LKM antibody Liver biopsy Cholestatic Jaundice Common bile duct stone -/+ - + + N N ↑ ↑ N - Dilated ducts on sono CT/ERCP Hepatitis A cholestatic type - -/+ + + N N ↑ ↑ N + HAV- AB Abdominal ultrasound EBV / CMV hepatitis - -/+ + + N N ↑ ↑ N + Positive serology Primary biliary cirrhosis -/+ - -/+ + N/↑ N/↑ ↑ ↑ N - AMA positive Liver biopsy Primary sclerosing cholangitis -/+ - -/+ + N/↑ N/↑ ↑ ↑ N - Beading on MRCP Liver biopsy Isolated Jaundice Crigler-Najjar type 2 + - - - N N N ↑ N - Genetic testing Gilbert + - - - N N N ↑ N - Genetic testing Rotor syndrome + - - - N N N N ↑ - Genetic testing Liver biopsy Dubin-Johnson syndrome + - - - N N N N ↑ - Genetic testing Liver biopsy Hereditory spherocytosis + - -/+ - N N N ↑ N - Genetic testing Osmotic fragility G6PD deficiency + - - - N N N ↑ N - Genetic testing Thalassemia + - - - N N N ↑ N - Genetic testing Sickle cell disease + - - - N N N ↑ N - Genetic testing Paroxismal nocturnal hemoglobinoria - - - - N N N ↑ N - Flocytometery Immune hemolysis - -/+ - - N N N ↑ N - Autoantibodies