Internal Medicine

(Wang) #1

0521779407-09 CUNY1086/Karliner 0 521 77940 7 June 4, 2007 21:12


670 Hemiballismus Hemochromatosis

follow-up
■Depends on cause
complications and prognosis
■Typically resolves in weeks to months

Hemochromatosis...................................


ERIC LEONG, MD, FRCPC


history & physical
Risk Factors for Iron Overload
■HereditaryHFE-associated hemochromatosis
■Hereditary non-HFE-associated hemochromatosis
■Multiple blood transfusions
■Multiple doses of parenteral iron
■Thalassemia major
■Acquired sideroblastic anemias
■Alcoholic liver disease (mild hepatic iron overload)
■Porphyria cutanea tarda (mild hepatic iron overload)

Symptoms and Signs
■Many patients asymptomatic
■Symptomatic stage: fatigue, arthralgia, RUQ pain, hepatomegaly,
increased skin pigmentation, loss of libido, impotence, amenor-
rhea, symptoms related to diabetes mellitus, dyspnea and/or cardiac
arrhythmias
■Advanced disease: decompensated cirrhosis with liver failure, HCC

tests
Basic Tests: Blood
■Early disease:
➣Transferrin saturation >45%; warrants further testing
➣Serum ferritin increases linearly with total body iron stores
➣AST and ALT may rise with significant hepatic iron overload
■Advanced disease:
➣Low serum albumin, elevated bilirubin and INR

Specific Diagnostic Test
■HFE
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