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題 名 | Clinical Usefulness of Three-dimensional Computed Tomography with Color-encoding for Tumors in the Face=顏面腫瘤之三度空間電腦斷層掃描合併顏色標記之臨床應用 |
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作 者 | 陳世杰; 黃國茂; 湯月碧; 陳旭漪; 李瑤華; 徐劍耀; | 書刊名 | 慈濟醫學 |
卷 期 | 12:1 2000.03[民89.03] |
頁 次 | 頁25-30 |
分類號 | 416.21 |
關鍵詞 | 電腦斷層掃描攝影; X光; 腫瘤; 頭; 影像處理; Computed tomography; X-ray; Neoplasm; Head; Image processing; |
語 文 | 英文(English) |
中文摘要 | 目的:頭頸部腫瘤與其周圍相關位置的解剖構造相當複雜,因而放射 科和外科醫師在看傳統的電腦斷層掃描攝影(CT)圖像時,從中想像其立體的 構造有時會有困難,本研究的目的在於利用CT之三度空間立體的影像重組,並 於腫瘤上標記顏色,應用於術前的診斷。病人及方法:從民國88年1月到88 年6月,吾等收集了14例頭頸部腫瘤的個案 (11位男性:3位女性;年齡從4 歲到86歲) 並加以分析。我們採用一台獨立的工作站,以分段的體積資料進行 彩色立體灰階陰影的重組。再藉由不同角度旋轉的觀察,使我們得以感受到此一 三度空間立體的影像,以及腫瘤和周圍骨頭之間的關係。結果:在三度空間立體 圖像顯示下,吾等一眼便可以看出相當顯著又突出,被標記成紅色的腫瘤。那紅 色的腫瘤與周遭白色的骨頭間的相關位置,侵犯的程度都可以一覽無遺。結論: 因而吾等認為以三度空間立體顏色標記的方法,應用於頭頸部的腫瘤,提供了清 楚的解剖以及診斷上的訊息,遠遠勝過傳統的斷層掃描攝影,不但能更加了解頭 頸部腫瘤對於骨頭侵犯的情形,同時也有助於術前計畫的擬定及病人衛教工作的 進行。 |
英文摘要 | Objective: The anatomical relationship of a neoplasm in the face to adjacent structures is so complex that radiologists and many surgeons have a difficult time assimilating cross-sectional imaging into a complete picture of the true extent of bone involvement using conventional computed tomography (CT). This study was undertaken to demonstrate the usefulness of three-dimensional (3D) color-encoded tumor CT imaging in preoperative evaluation. Patients and Methods: From January 1999 to June 1999, fourteen cases of carniofacial tumors (11 male: 3 female; from 4 to 86 years old) were collected and analyzed. We rendered the segmented volumetric data with a gradient shading color protocol at an independent workstation by encoding the "white" of the bone and the "red" of the tumor. Dynamic cine observation with changing viewpoints allowed us to perceive 3D shapes and the relationships of the tumor with the surrounding bones. Results: On the 3D display, the outstanding "red" mass could be seen clearly at a glance. The involvement, extension and relationship between the "red" tumor and adjacent "white" bone could be easily evaluated. Conclusion: Three-dimensional color-encoded CT imaging offers greater anatomical and diagnostic illustration than conventional CT, improving understanding of bony invasion by craniofacial malignancy and providing a useful adjunct to preoperative planning and patient education. |
本系統中英文摘要資訊取自各篇刊載內容。