pseudohemophilia

Noun

pseudohemophilia (countable and uncountable, plural pseudohemophilias)

1. (dated) Any of several disorders of prolonged blood clotting time, seeming clinically similar to the hemophilias, but pathophysiologically different therefrom, without the same clotting factor derangements as found therein; at least some of these disorders are types of von Willebrand disease, and nowadays would be called and diagnosed thus.
   • On examining hemostasis, the only consistent abnormal laboratory finding was a prolonged bleeding time, so that the hemorrhagic disorder fell into the group of so-called pseudohemophilias.1959, Hermansky F, Pudlak P, “Albinism associated with hemorrhagic diathesis and unusual pigmented reticular cells in the bone marrow: report of two cases with histochemical studies”, in Blood...
   • The original description of a novel severe bleeding disorder as "Hereditary Pseudohemophilia" by Erik von Willebrand can currently be labelled as von Willebrand disease (VWD) type 3. […] [¶] All five daughters, who died from uncontrolled bleedings, very likely would have been homozygous for the...2013, Gadisseur A, Berneman Z, Schroyens W, Michiels JJ, “Pseudohemophilia of Erik von Willebrand caused by homozygous one nucleotide deletion in exon 18 of the VW-factor gene”, in World J Hematol...