V2EX parasellar

Parasellar

定义 Definition

parasellar(形容词)指“鞍旁的 / 垂体鞍旁的”:位于或涉及蝶鞍(sella turcica,垂体所在的骨性结构)旁边的区域。常用于影像学与神经外科/内分泌学语境(如“鞍旁肿块”“鞍旁区病变”)。

发音 Pronunciation

/prslr/

例句 Examples

The MRI showed a small parasellar mass.
核磁共振显示有一个小的鞍旁肿块。

Parasellar extension of the tumor may affect the optic chiasm and cavernous sinus, leading to visual changes.
肿瘤向鞍旁扩展可能影响视交叉和海绵窦,从而引起视力改变。

词源 Etymology

由前缀 **para-**(“旁边、邻近”)+ sellar(与 sella “鞍”相关;此处指解剖学的蝶鞍/垂体鞍)构成,字面意思就是“在(蝶)鞍旁边的”。该词主要是现代医学解剖与影像学中的构词用法。

相关词 Related Words

文学/著作中的用例 Literary Works

  • Diagnostic Neuroradiology(Anne G. Osborn):讨论鞍区与鞍旁(parasellar)病变的影像学鉴别。
  • Youmans and Winn Neurological Surgery:在垂体与鞍区手术章节中使用parasellar描述病变范围与手术入路。
  • Williams Textbook of Endocrinology:在垂体腺瘤及其向鞍旁扩展的相关描述中常见该词。
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