垂體發(fā)育異常ppt課件-在線瀏覽
2025-06-15 22:29本頁面
【正文】 激素缺乏。 ? 異位神經(jīng)垂體在矢狀位 MRT1加權(quán)圖上表現(xiàn)為垂體后部高信號消失，近端垂體柄不見，漏斗近側(cè)或灰結(jié)節(jié)部位可見高信號的異位神經(jīng)垂體。但中樞性尿崩癥患者垂體后葉高信號可存在，這種病例可能為垂體后葉抗利尿激素釋放環(huán)節(jié)有損害或缺陷，導(dǎo)致下丘腦垂體功能不足。normal CD。 arrow). E F hypoplastic anterior pituitary with no visible pituitary stalk after gadolinium injection. The ectopic pituitary hyperintense signal is at the median eminence (arrow） ? Findings: The neurohypophysis appears ectopic and is located in the hypothalamus. The remaining brain parenchyma including adenohypophysis is normal. Double pituitary ? Encephalic MRI of a 28yrold woman carried out during routine imaging after diagnosis of neurofibromatosis type 1. Duplicated glands were
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