【摘要】：正患者男,71歲。以"無明顯誘因頭暈半年,雙眼視物模糊且進(jìn)行性加重3個(gè)月"就診�；颊呱裰厩�,病理反射陰性。MR檢查:蝶鞍擴(kuò)大,垂體窩內(nèi)見T1WI、T2WI等信號腫塊,垂體柄明顯增粗,最大徑約1.51cm×0.68cm,矢狀位病灶呈葫蘆形,與正常腺垂體分界不清,視交叉受壓上抬(圖1);動態(tài)增強(qiáng)早期腫塊明顯強(qiáng)化,內(nèi)可見小圓形相對弱強(qiáng)化區(qū),隨時(shí)間延遲,腫塊持續(xù)強(qiáng)化,其內(nèi)相對弱強(qiáng)化區(qū)范圍縮小至消失(圖2、3)。MRI初
[Abstract]:The patient is 71 years old. "dizziness without obvious inducement for half a year, blurry binocular vision and progressive aggravation for 3 months". The sagittal lesions were hyacinth shaped, not distinct from the normal pituitary gland, and T1WIN T2WI signal masses were seen in the pituitary fossa, and the pituitary stalk was obviously thickened, the maximum diameter was about 1.51cm 脳 0.68 cm, the sagittal lesion was hyacinth shape and could not be distinguished from the normal pituitary gland. The optic chiasma was elevated under pressure (Fig. 1); the mass was obviously enhanced in the early stage of dynamic contrast enhancement, and the small circular relatively weak enhancement area could be seen in the early stage. With the delay of time, the enhancement of the mass continued, and the range of the relatively weak enhancement area within the mass was reduced to disappear (fig. 2 / 3).
【作者單位】： 大連醫(yī)科大學(xué)附屬第一醫(yī)院放射科;
【分類號】：R739.41;R445.2

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