推荐回答（1个）
放心，结果都是正常的，都是一些反应免疫情况的指标。 根据皮肤反复出现来去迅速的风团，剧痒，退后不留痕迹，以及各型荨麻疹的特点等易于诊断。但应于下列疾病相鉴别。必要时行实验室检查(包括胸部X线检查腹部B超等)及有关试验(如运动、热水、日光、冰块)、变应原检测等以进一步明确病因。 如临床症状诊断有困难或进一步要寻找病因可进行以下实验室检查。 1.疑为风湿病引起荨麻疹者可检查血沉、抗核抗体等，血清补体测定、皮肤活检对有补体活化参与所致荨麻疹的诊断有帮助。 2.对寒冷性荨麻疹应检查梅毒血清试验，测定冷球蛋白、冷纤维蛋白原、冷溶血素和冰块试验、抗核抗体等检查。 3.日光性荨麻疹应检查粪、尿卟啉等，应注意与SLE相区别。 4.疑与感染有关，或体检时肝大或病史存在肝炎史，可行血常规、乙肝抗原、抗体检查、大便虫卵、真菌、病灶部位X线等检查。 5.如怀疑有甲状腺疾病应作抗微粒体甲状腺抗体相关检查。 6.如怀疑吸入或食入过敏者，应行变应原检查，如为阳性可作脱敏治疗。 7.血清病性荨麻疹患者有发热和关节痛，应检查血沉，如血沉正常有重要诊断价值。 8.荨麻疹性血管炎发作时除有明显的低补体血症，血清Cl的亚单位Cla明显降低、C4、C2和Cg中度至重度降低、血清中出现循环免疫复合物和低分子量Clq沉淀素。直接免疫荧光检查可见皮肤血管壁有免疫球蛋白和补体沉积。 9.自身免疫性慢性荨麻疹可检测自身抗体，采用自身血清皮肤试验：常规抽血放入无菌试管凝结30min，离心，取血清100μl给患者行皮内试验，以生理盐水为对照，如1h后局部出现风团直径大于9mm即为阳性。其他如组胺释放试验、免疫印迹法及酶联免疫吸附试验等均可选用。 血管性水肿尤其是遗传性血管性水肿应作血清补体检查，应首先作补体第4成分测定(C4)，如C4低下则可能有补体第一成分酯酶抑制物(ClINH)缺乏可能，在发作期C4明显低于正常，在缓解期也低于正常，即使无家族史也可确诊本病。反之，C4正常即可否认本病。 慢性荨麻疹组织病理：系单纯限局性水肿，乳头及真皮上层有浆液性渗出，乳头水肿，血管周围有少量淋巴细胞浸润，但浸润亦可致密并混杂有嗜酸性粒细胞。
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