Medical MCQ-A patient has normal PT and Platelet Count. The aPTT is increased and factor VIII levels are observed to be 60 lukIL (60%). There is no associated history of bleeding even after a surgical procedure. The most likely diagnosis is:

A patient has normal PT and Platelet Count. The aPTT is increased and factor VIII levels are observed to be 60 lukIL (60%). There is no associated history of bleeding even after a surgical procedure. The most likely diagnosis is:

Factor IX deficiency

Factor VIII inhibitors

Lupus anticoagulant

Thalassemia

Question Category:

Medicine

Correct Answer:

Lupus anticoagulant

Description:

Answer is C (Lupus Anticoagulant) Isolated prolongation of aPTT with no clinical history of bleeding suggests the presence of Lupus anticoagulant or deficiency of contact factors (Factor XII, Prekallikrein or HMWK)

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