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題 名 | Imaging of Invasiveness of Pituitary Adenomas=使用影像評估腦下垂體腫瘤之侵襲性 |
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作 者 | 羅兆寶; 鄧木火; 陳行素; 凌憬峰; 張豐基; 郭萬祐; 張政彥; | 書刊名 | The Kaohsiung Journal of Medical Sciences |
卷 期 | 16:1 2000.01[民89.01] |
頁 次 | 頁26-31 |
分類號 | 415.663 |
關鍵詞 | 影像評估; 腦下垂體腫瘤; Imaging; Invasiveness; Pituitary adenoma; |
語 文 | 英文(English) |
中文摘要 | 此篇研究是使用影像檢查腦下垂體大腫瘤之腫瘤大小、侵襲性及侵襲範圍。我們 回溯性評估135例腦下垂體大腫瘤之病例在開刀前所接受電腦斷層及磁振造影影像以偵測腫 瘤大小、侵豉性及侵犯範圍。在135例有117例(87%)有往上侵犯至蝶胺上池並壓迫視力結 構;其中12例(9%)往上侵犯至視丘下及第三腦室;往蝶胺下侵犯至蝶竇有38例(28%); 侵犯至篩竇、鼻咽及顱底有5例(4%);22例(16%)往外側侵犯至海綿狀竇及其附近顱神經 ;往顳側及額側侵犯各有7例(5%)及6例(4%);5例(4%)往後侵犯至後顱窩。組織病理 切片,只有2例顯示有侵犯性,影像侵犯性與組織病理發現並無關聯性。腦下垂體大腫瘤有 往四週侵犯之潛能,此篇研究顯示無論何種腦下垂體腫瘤皆可侵犯其附近結構。蝶胺上侵犯 最常見,其次為蝶胺下、外側、前例及後側。 y-eight patients (28%), and further downward extension to ethmoid sinus, nasopharynx and/or skull base was depicted in five patients (4%). Twenty-two patients (16%) had lateral invasion to the cavernous sinus and associated cranial nerves. Temporal and frontal extensions were depicted in seven patients (5%) and six patients (4%), respectively. Five patients (4%) had posterior subtentorial extension to posterior fossa. Histologically, only two patients showed microscopic invasive features. There was no correlation between histologic features and imaging invasiveness. The PMA had the potential of multi-directional extension. This experience indicated any type of pituitary adenoma could invade surrounding structures. Suprasellar invasion was the most common direction of pituitary adenoma spread, followed by infrasellar, lateral, anterior and posterior routes. |
英文摘要 | The purpose of our study was to examine the tumor size, imaging invasiveness of the pituitary macroadenomas (PMA) and to evaluate the directions of PMA spread. One hundred and thirty-five patients with PMA were examined with MRI and/ or CT for pre-operative evaluation. We retrospectively reviewed the CT and MRI to identify tumor size, extension and to evaluate the directions of tumor spread. One hundred and seventeen patients (87%) had suprasellar extension with compression of optic apparatuses, twelve patients (9%) had extension of tumor upward to hypothalamus and third ventricle. Infrasellar extension via the floor of the sella and sphenoid sinus was found in thirty-eight patients (28%), and further downward extension to ethmoid sinus, nasopharynx and/or skull base was depicted in five patients (4%). Twenty-two patients (16%) had lateral invasion to the cavernous sinus and associated cranial nerves. Temporal and frontal extensions were depicted in seven patients (5%) and six patients (4%), respectively. Five patients (4%) had posterior subtentorial extension to posterior fossa. Histologically, only two patients showed microscopic invasive features. There was no correlation between histologic features and imaging invasiveness. The PMA had the potential of multi-directional extension. This experience indicated any type of pituitary adenoma could invade surrounding structures. Suprasellar invasion was the most common direction of pituitary adenoma spread, followed by infrasellar, lateral, anterior and posterior routes. |
本系統中英文摘要資訊取自各篇刊載內容。