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題 名 | Development of a Device for Immobilization of Head and Correlation of Functional-Anatomical Brain Images=頭部固定器之研發並進行功能-解剖造影間之相關對照研究 |
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作 者 | 高潘福; 曾凱元; 劉憲榮; 林淵謙; 吳樹鏗; | 書刊名 | 長庚醫學 |
卷 期 | 22:3 1999.09[民88.09] |
頁 次 | 頁433-438 |
分類號 | 415.9、415.9 |
關鍵詞 | 頭部固定器; 單光子電腦斷層掃描; 功能-解剖造影相關對照; Device for head immobilization; Single photon emission computed tomography; Functional-anatomical imaging correlation; |
語 文 | 英文(English) |
中文摘要 | 背景:臨床上各種腦部造影由於有良好的解析力,能偵測微細腦部變化,對於研 究、診斷各種腦部功能及解剖上的病變,有極重要之貢獻。然而,腦部病變之患者,身體常 會有不隨意的顫動,而導致造影模糊降低影像品質。因此本計劃研發製作一頭部固定器,來 協助病患在接受各種腦造影時能維持頭部固定不動,且進一步作為各次追蹤檢查之間及腦部 功能─解剖造影相關性研究之工具。 方法:本裝置包括一個壓克力製成的頭部支持(headsupport)模具及可熱塑(thermoplastic) 材質製作的面具兩部份。面具是依照受檢者的頭臉部外型特徵所塑造,面具與支持頭部的裝 置可以牢固的接合在一起,以維持頭部之固定。面具一側放置垂直的兩根充滿鎝-99m( Tc) 溶液之毛細管,以作為不同次別造影間相關比較之基準訊號。十例鎝-99m標定宏寶鎝腦造 影劑( Tc-HMPAO)腦部血流灌注單光子電腦斷層掃描(SPECT)受檢者以此一裝置進行測試, 每例進行兩次的SPECT造影。 結果:結果以立體三度空間及各種斷層切面影像顯示,觀察受檢者於造影中都能維持不 動;其次以面具側邊的 Tc基準訊號,觀察使用本裝置在不同次造影中都能固定在相似的 頭部姿勢,有利於追蹤比較病程及治療的成效。其中有五例並進行SPECT與磁震造影(MRI) 或電腦斷層造影(CT)造影間的對照,均一致獲得良好的相關造影結果。 結論:總結本頭部固定器的功用包括:(1)能有效限制受檢者頭部不經意的移動;(2)能 作為連續追蹤造影間維持頭部姿勢與位置的一致性;(3)能應用於各種腦部造影,包括 SPECT、MRI及CT,是作為腦神經功能及解剖相關造影研究的極佳工具。 |
英文摘要 | Background: The excellent resolution of brain imaging modalities has important contributions in the diagnosis of brain diseases. However, involuntary movement by the patient may cause poor image quality. In this study, we developed a device to help keep a patient's head immobilized during brain image acquisition, for comparison between each follow-up study, and for functional-anatomical image correlation. Methods: This device includes an acrylic material head supporter and a thermoplastic material facemask. The head supporter and the facemask can be firmly attached as a whole to support the head in a fixed position. Two capillary tubes filled with technetium-99m solution were placed perpendicularly on one side of the facemask as fiducial for imaging correlation between different studies. Ten patients, who each had two technetium-99m hexamethyl propyleneamine oxime ( Tc-HMPAO) brain single photon ton emission computer tomography (SPECT), were tested with this device for imaging. Results: Three-dimensional cine motion and sectional imaging were displayed and confirmed head immobilization in all of these studies. In addition, the Tc fiducial were useful in the comparison of head positions among the different studies. In five subjects, the device also proved to be useful in functional-anatomical correlation among SPECT, magnetic resonance imaging (MRI), and computed tomography (CT) images. Conclusion: In conclusion, this device has been developed and found to be useful in (1) keeping patient's head immobilization, (2) keeping consistent head position for follow-up studies, and (3) SPECT, MRI and CT functional-anatomical imaging correlation. |
本系統中英文摘要資訊取自各篇刊載內容。