Mechanism 3. else: (1)estrogen ITP often seen in female patient hold down platelet production augment platelet clearance (2)more delicate capillary wal
Mechanism 3.else： （1）estrogen: ITP often seen in female patient hold down platelet production augment platelet clearance （2）more delicate capillary wall
Clinical Findings Symptoms and signs ° occurs: in childhood, frequently precipitated by viral infection and usually self-limited In adult form is usually a chronic disease and only infrequently follows a viral infection
Clinical Findings • Symptoms and Signs: • occurs ： in childhood, frequently precipitated by viral infection and usually self-limited. In adult form is usually a chronic disease and only infrequently follows a viral infection
Clinical Findings °age It is a disease of young persons, with peak incidence between ages 20 and 50 seX: there is a 2: 1 female predominance
Clinical Findings • age ： It is a disease of young persons, with peak incidence between ages 20 and 50 • sex： there is a 2:1 female predominance