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[Familial occurrence of Glanzmann thrombasthenia]
J Musiał1, M Krzanowski, L Judkiewicz
1Kliniki Alergii i Immunologii AM, Krakowie.
Polski Tygodnik Lekarski (Warsaw, Poland : 1960)
|February 3, 1992
Summary
Glanzmann's thrombasthenia, a rare bleeding disorder, was diagnosed in a father and two sons. This autosomal disorder affects platelet function, specifically glycoprotein IIb/IIIa complex formation, leading to hemorrhagic symptoms.
Area of Science:
- Hematology
- Genetics
- Biochemistry
Context:
- Glanzmann's thrombasthenia is an inherited bleeding disorder characterized by platelet dysfunction.
- This condition results from defects in platelet glycoproteins essential for clot formation.
Purpose:
- To present a family diagnosed with Glanzmann's thrombasthenia, detailing the specific type and associated molecular defects.
- To analyze platelet membrane abnormalities in affected individuals.
Summary:
- A family study identified Glanzmann's thrombasthenia type II in a father and two sons, with one daughter deceased due to hemorrhagic diathesis.
- Affected members exhibited decreased clot contractibility, impaired fibrinogen binding, and reduced levels of glycoprotein IIb and IIIa, impacting complex formation.
Impact:
- This case highlights the autosomal inheritance pattern and clinical manifestations of Glanzmann's thrombasthenia within a family.
- Understanding these platelet function abnormalities is crucial for diagnosis and management of inherited bleeding disorders.