紫癜作为多种疾病的一种体征,在临床上较为常见,主要为血管异常或血小板减少等疾病所引起。一、血管异常所致的紫癜 1.原发性单纯性紫癜:为一种轻性紫癜,不伴有其他出血现象,表现为容易挫伤,偶有自发性瘀斑,本病易发生在健康女性。 2.过敏性紫癜:其特点是肢体及躯干有对称而成堆的瘀点,皮疹常有红斑及荨麻疹的成分,常伴有皮疹之外更为广泛的疾病现象,如浮肿、腹痛、关节 Purpura as a sign of a variety of diseases, clinically more common, mainly due to vascular abnormalities or thrombocytopenia and other diseases caused. First, the purpura caused by vascular abnormalities 1. Primary purpura: a mild purpura, not associated with other bleeding, manifested as easy bruise, occasional spontaneous ecchymosis, the disease is prone to occur in healthy women . 2. Allergic Purpura: It is characterized by limbs and trunk symmetrical and piles of petechiae, rash often erythema and urticaria composition, often accompanied by rash outside the more widespread disease phenomena, such as edema, abdominal pain, joint