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Hemorrhagic disease due to alpha-1-antitrypsin Pittsburgh mutation

ORPHA:178396· ICD-10 D68.8

Definition

A rare, genetic, constitutional coagulation factor defect disorder characterized by a bleeding tendancy of variable severity due to methionine 358 to arginine replacement (Pittsburgh mutation) in the alpha-1-antitrypsin protein. Patients present with spontaneous hematomas, hematomas following minor trauma or surgery and, in female patients, ovarian hematomas after ovulation.

Prevalence
<1 / 1 000 000
Inheritance
Autosomal dominant, Not applicable
Age of onset
Adolescent