Gastroenterology Book

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Direct BilirubinAka: Conjugated Bilirubin, Conjugated Hyperbilirubinemia, Obstructive Jaundice

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  1. See Also
    1. Total Bilirubin (Covers physiology)
    2. Unconjugated Bilirubin
    3. Jaundice
    4. Liver Function Test
    5. Liver Function Test Abnormality
  2. Normal
    1. <0.2 mg/dl
  3. Increased Conjugated Bilirubin: Adults
    1. Intrahepatic Causes
      1. Hepatocellular disease
        1. Viral Hepatitis
        2. Alcoholic Liver Disease
      2. Biliary Tract Obstruction
      3. Drug induced cholestasis
      4. Prolonged Total Parenteral Nutrition
      5. Sarcoidosis
      6. Pregnancy
      7. Primary Biliary Cirrhosis
      8. Primary Sclerosing Cholangitis
    2. Extrahepatic Causes
      1. Cholelithiasis
      2. Pancreatitis
      3. Cryptosporidium infection (immunocompromised patient)
      4. Cytomegalovirus infection
      5. Cholangiocarcinoma
      6. Cancer involving liver
      7. Pancreatic Cancer
      8. Lymphoma
  4. Increased Conjugated Bilirubin: Neonatal Patients
    1. Sepsis
    2. Intrauterine viral infections
    3. Neonatal hepatitis
    4. Intrahepatic and extrahepatic biliary atresia
    5. Biliary tract obstruction
      1. Choledochal cyst
      2. Abdominal mass
      3. Annular pancreas
    6. Trisomy 18
    7. Galactosemia
    8. Tyrosinemia
    9. Hereditary
      1. Dubin-Johnson Syndrome
      2. Rotor's syndrome
    10. Hypermethioninemia
    11. Alpha-1 antitrypsin deficiency
    12. Cystic Fibrosis
    13. Following Hemolytic Disease of the Newborn syndrome
      1. Inspissated bile
    14. Hypopituitarism
    15. Hypothyroidism
  5. References
    1. Pasha (1996) Med Clin North Am :

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