无功能或无分泌垂体腺瘤 ,有时称为嫌色细胞腺瘤 ,以缺乏明显的临床症候群和血清激素水平正常为特征[1] 。垂体瘤手术约 2 5 %～ 30 %的肿瘤被分类为无分泌型肿瘤 ,但形态学检查显示这类肿瘤细胞不但含有激素合成所必需的细胞器及某些分泌颗粒 ,而且还发现细胞中有许多不同于已 Non-functional or non-secreting pituitary adenomas, sometimes referred to as chromophobe adenomas, are characterized by a lack of overt clinical syndromes and normal serum hormone levels [1]. Tumors from about 25% to 30% of pituitary tumors are classified as non-secreting tumors, but morphological examination shows that these tumor cells contain not only organelles and some secretory granules necessary for hormone synthesis, but also many cells Different from already