问题
单项选择题
男性，55岁，骶尾部疼痛1年，近2个月来大便困难。CT片如图。应首先考虑的诊断是（）
A.骨转移瘤
B.骨髓瘤
C.脊索瘤
D.骨淋巴瘤
E.神经纤维瘤
答案
参考答案：C
解析：脊索瘤起源于脊索残存组织，通常位于脊柱两端，即斜坡中线附近、蝶鞍后部和骶尾部，软组织肿瘤内可见点片状散在钙化灶或残存的碎骨片。
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男性，55岁，骶尾部疼痛1年，近2个月来大便困难。CT片如图。应首先考虑的诊断是（）
A.骨转移瘤
B.骨髓瘤
C.脊索瘤
D.骨淋巴瘤
E.神经纤维瘤
参考答案：C
解析：脊索瘤起源于脊索残存组织，通常位于脊柱两端，即斜坡中线附近、蝶鞍后部和骶尾部，软组织肿瘤内可见点片状散在钙化灶或残存的碎骨片。
| 补全对话。 | |
Girl: 1. Boy: Midori? Who's that? Girl: 2. Boy: Oh, yeah! She's Japanese, isn't she? Girl: Yes, she was born in Osaka in 1971. 3. When she was fourteen, she toured the United States. I saw her play when I was eight. Boy: Wow, 4. Girl: Yes, I do. I play them all the time. How about you? Who do you admire? Boy: I admire my grandmother, Laura. Girl: 5. Boy: Well, she was born in Russia in 1932. She was an unusual girl because she started ice skating when she was four, and she became a skating champion when she was ten. |