Term Name:	acquired von Willebrand syndrome
Synonyms:	AVWS
Definition:	A blood coagulation disease characterized by development of a defect in clotting in the absence of previous bleeding symptoms, negative familial history, and occurrence in a relatively older age. Typically this develops secondarily to other disorders, such as lymphoproliferative, myeloproliferative, cardiovascular and autoimmune disorders.
Ontology:	Human Disease [DOID:0111146]   ( DOID:0111146 )