英语语法分析

Granulomatous hypophysitis is a rare inflammatory process, accounting for approximately 1% of pituitary lesions.

肉芽肿型垂体炎是一种少见的炎性病变，大约占垂体病变的1%。

The primary hypophysitis has a low morbidity and the final diagnosis is mostly determined based on the pathological findings after operation.

原发性垂体炎发病率较低，多数在手术后根据病理结果得以确诊。

Autoimmune hypophysitis is an unusual inflammatory lesion that is caused by autoimmune destruction of the pituitary gland, usually occurring during pregnancy or postpartum.

自身免疫性垂体炎是一种罕见的内分泌疾病，多发生于妊娠或产后。