患儿女，４岁。１年前出现全身皮肤针尖样皮疹，压之不退色，不痒。同时伴四肢大关节及指关节游走性肿痛，皮肤出血斑及球结膜出血。于当地医院住院２次，诊断为血小板减少性紫癜和类风湿病。激素治疗好转，但反复不愈。入院前２个月曾患水痘，入院前半个月右腮腺肿大，随... Children with children, 4 years old. A year ago appeared systemic skin tip-like rash, the pressure does not fade, itch. At the same time with the limbs joints and knuckles swollen swelling and pain, bleeding and conjunctival skin hemorrhage. Inpatient hospital 2 times, diagnosed as thrombocytopenic purpura and rheumatoid. Hormone therapy improved, but repeatedly unhealed. 2 months before admission had chickenpox, right parotid gland swollen half a month before admission, with ...