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Old 07-26-2010
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Blood Which of these bleeding disorders

A 24-year-old patient with a congenital bleeding disorder undergoes routine laboratory testing. Relevant results include:

Leukocyte count: 4,900/mm3
Hemoglobin: 14.4 g/dL
Hematocrit: 43%
Platelet count: 147,000/mm3
Bleeding time: 12 minutes
Prothrombin time: 13 seconds
Partial thromboplastin time (activated): 33 seconds

Which is the likely diagnosis?
A. Bernard-Soulier disease
B. von Willebrandís disease
C. Idiopathic thrombocytopenic purpura
D. Factor IX deficiency
E. Hemolytic uremic syndrome
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Old 07-29-2010
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omg!!! no body answered!!:sorry:
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Old 07-29-2010
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Default platelet adhesion defect

answer is A, only bleeding time is prolonged despite adequate platelet. PT & aPTT, Hb all normal.
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Old 07-29-2010
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A. Bernard-Soulier disease...deficiency of platelet membrane glycoprotein complex Ib-IX
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yep ryt!!! bernard soulier!!!!
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Old 07-29-2010
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yeaaa bernard soulier bleeding time increased normal is 3-7 minutes
platelet adhesion defect
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