What causes von Willebrand disease (vWD) type 2?

Updated: Dec 30, 2019
  • Author: Eleanor S Pollak, MD; Chief Editor: Srikanth Nagalla, MBBS, MS, FACP  more...
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vWD type II is due to qualitative vWF abnormalities and is subdivided into types IIA, IIB, IIN, and IIM. vWD type IIA, the most common qualitative abnormality of vWF, is associated with selective loss of large and medium-sized multimers. Most cases have autosomal dominant inheritance. [3]

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