Increased numbers of tiny red vascular lesions on the vermillion zone of the lips, tongue, and buccal mucosa are characteristic of:

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Tiny red vascular lesions on the vermillion zone of the lips, tongue, and buccal mucosa are characteristic of hereditary hemorrhagic telangiectasia, also known as Osler-Weber-Rendu syndrome. This is an inherited disorder that results in abnormal blood vessel formation and can lead to spontaneous bleeding. Hemophilia A, Hemophilia B, and von Willebrand disease are all bleeding disorders, but they do not typically present with vascular lesions as a prominent feature.

Increased Numbers of Tiny Red Vascular Lesions on the Vermillion