萎缩性胃炎为胃癌的前期病,而且颇为多见。甘肃省慢性萎缩性胃炎和胃癌的发病率均较高。因此,我们自1979年2月份开始,开展了免疫萤光法检测胃壁细胞抗体的工作,将萎缩性胃炎进行了免疫分型。把血清中含有胃壁细胞抗体(Parietal cellantibody简称PCA)者称A型,不含PCA者称B型。现将110例慢性萎缩性胃炎及142例其它慢性疾病与献血员的PCA检查结果报告如下: Atrophic gastritis is an early disease of gastric cancer, and it is quite common. The incidence of chronic atrophic gastritis and gastric cancer is high in Gansu Province. Therefore, since February 1979, we have carried out the immunofluorescence assay of gastric parietal cell antibodies and performed immunophenotyping of atrophic gastritis. Patients with serum parietal cell antibodies (PCA) in the serum are called type A, and those without PCA are called type B. The PCA results of 110 cases of chronic atrophic gastritis and 142 cases of other chronic diseases and blood donors are reported as follows: