脊索瘤是一种少见的骨肿瘤,好发于骶尾椎和颅底。本文报告一例颅底脊索瘤,并对其 X 线征象作简要讨论。患者男性,20岁。主诉为双鼻慢性进行性鼻阻5月,说话含物声3月,头痛、左眼视力下降伴左耳呜10多天。5月前因感冒后双鼻不通气,经当地一般治疗后,鼻阻仍进行性加重。3月前说话声音有改变(象含有食物样),咽部有异物感。近10多天觉头痛, Chordoma is a rare bone tumor, occur in the sacrococcygeal and skull base. This article reports a case of skull base chordoma and its X-ray findings briefly discussed. Male patient, 20 years old. The main complaint for the twin nasal chronic nasal resistance in May, voices in March, headache, left eye vision decreased with left ear Woo more than 10 days. 5 months ago due to cold and nasal non-ventilated, after the general treatment of the local, nasal resistance is still progressive increase. 3 months ago, voices have changed (like with food-like), throat foreign body sensation. Nearly 10 days headache,