Nonthrombocytopenic purpura
Nonthrombocytopenic purpura is a type of purpura
Purpura is the appearance of red or purple discolorations on the skin that do not blanch on applying pressure. They are caused by bleeding underneath the skin...

 (red or purple skin discoloration) not associated with thrombocytopenia
Thrombocytopenia is a relative decrease of platelets in blood.A normal human platelet count ranges from 150,000 to 450,000 platelets per microliter of blood. These limits are determined by the 2.5th lower and upper percentile, so values outside this range do not necessarily indicate disease...


Examples/causes include:
  • Henoch-Schönlein purpura
    Henoch-Schönlein purpura
    Henoch–Schönlein purpura is a disease of the skin and other organs that most commonly affects children. In the skin, the disease causes palpable purpura ; often with joint and abdominal pain...

  • Hereditary hemorrhagic telangiectasia
    Hereditary hemorrhagic telangiectasia
    Hereditary hemorrhagic telangiectasia , also known as Osler-Weber-Rendu disease and Osler-Weber-Rendu syndrome, is a genetic disorder that leads to abnormal blood vessel formation in the skin, mucous membranes, and often in organs such as the lungs, liver and brain.It may lead to nosebleeds, acute...

  • Congenital cytomegalovirus
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