This Publication Is Searchable The Merck Manual of Diagnosis and Therapy Section 11. Hematology And Oncology Chapter 134. The most common vascular bleeding disorder, manifested by increased bruising and representing increased vascular fragility. Purpura simplex usually affects women.
Bruises develop without known trauma on the thighs, buttocks, and upper arms.
The history usually reveals no other abnormal bleeding, but easy bruising may be present in family members. The platelet count and tests of platelet function, blood coagulation, and fibrinolysis are normal. The patient should be reassured that the condition is not serious. All rights reserved.