最简单的儿童和成人常见鞍上肿瘤诊断思路,用最简单方法-“文本形式”,呈现给大家,大家可收藏或理解吸收:
儿童鞍上肿瘤
颅咽管瘤(Craniopharyngioma)
Calcified,enhancing,complex cystic mass?
钙化,强化,复杂囊性肿块?
Distinct from the pituitary?
与垂体分界清晰?
视神经胶质瘤(Optic pathway glioma)
T2 hyperintense,enhancing mass?
T2WI高信号,强化肿块?
Secondary signs of neurofibromatosis1?
I型神经纤维瘤病的间接征象?
生殖细胞肿瘤(Germ cell tumor)
Avidly enhancing midline mass?(germinoma)
明显强化的中线肿块?(生殖细胞瘤)
Contains fat?(dermoid-much less common)
含有脂肪?(皮样囊肿-较少见)
下丘脑错构瘤(Hypothalamic hamartoma)Nonenhancing,gray-matter isointense mass?朗格汉斯细胞组织细胞增多症垂体炎(Langerhans cell histiocytosis hypophysitis)Enhancing,enlarged pituitary stalk?垂体大腺瘤延伸(Pituitary macroadenoma extension)Pituitary mass extending superiorly?Intense enhancement with a normal sella?Narrows adjacent vasculature?Calcified,enhancing,complex cystic mass?
Distinct from the pituitary?Rathke's 裂囊肿(Rathke's cleft cyst)Nonenhancing cystic mass without calcification?Enhancement equal to blood pool?Calcified rim(if thrombosed)?淋巴细胞性(围产期女性)或肉芽肿性垂体炎(Lymphocytic or granulomatous hypophysitisl)Enhancing,enlarged pituitary stalk?