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This page (revision-2) was last changed on 31-Jan-2013 15:28 by 1614216108

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At line 3 changed one line
  脑垂体肿瘤分为分泌型和非分泌型;微腺瘤(<1cm)或大腺瘤(>1cm)。腺体生长压迫视神经交叉,可引起特征性的视野缺失或颅神经压迫或脑积水;可影响其他垂体激素的产生而引起激素缺乏。、
  是颅内的常见肿瘤,占颅内肿瘤的10%~15%,随着垂体腺瘤早期诊断水平的不断提高,统计比例还在上升。一般垂体腺瘤患者女性多于男性,多发生于30~50岁成人,小儿少见。垂体腺瘤是腺垂体发生的肿瘤,正常垂体位于蝶鞍内,前上为鞍背,二者之间由硬脑膜构成的环状鞍膈。至今病因尚未阐明。脑垂体肿瘤分为分泌型和非分泌型;微腺瘤(<1cm)或大腺瘤(>1cm)。腺体生长压迫视神经交叉,可引起特征性的视野缺失或颅神经压迫或脑积水;可影响其他垂体激素的产生而引起激素缺乏。
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血清催乳素\\
1.血清催乳素\\
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200-300ng/ml:几乎100%是垂体肿瘤,且粗腺瘤的可能性大于微腺瘤。
200-300ng/ml:几乎100%是垂体肿瘤,且粗腺瘤的可能性大于微腺瘤。\\
2.生长激素:成人男性血清生长激素>2μg/L,女性>10μg/L。\\
3.促肾上腺皮质激素升高\\
4.促甲状腺素(详见[甲状腺癌])\\
5.血清促卵泡刺激素降低
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[催乳素]
[催乳素]\\
[生长激素]\\
[促肾上腺皮质激素]\\
[促甲状腺激素测定]\\
[卵泡刺激素]
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CT或MRI可见,但有≦20%的微腺瘤者,CT或MRI正常。
垂体腺瘤除上述相关激素检查外,CT、磁共振等影像学检查,是临床诊断不可缺少的重要检查手段。
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