Tumors secreting TSH are very rare and are less easily cured by surgery than other types of pituitary adenomas because of large size and invasive features.

• 分泌甲促素的脑垂腺瘤比其他类型的脑垂腺瘤较难以外科手术来根治，主要因为其腺瘤体积较大且具侵袭性。