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來源資料
相關文獻
- Preoperative MR Imaging Assessment of Osteosarcoma: A Radiological-Surgical Correlation
- Different and Identical Features of Chondroblastic Osteosarcoma and Chondrosarcoma: Highlights on Radiography and Magnetic Resonance Imaging
- 磁振造影檢查對骨肉瘤之評估與診斷
- 骨肉瘤接受肢體保留術患者之護理
- Osteosarcoma with Emphasis on Surface Osteosarcoma
- Radiation-induced Osteosarcoma of the Temporal Bone
- Chondrosarcoma of the Maxilla--A Case Report
- Mesenchymal Chondrosarcoma at the Falx Cerebri
- 顱底軟骨肉瘤
- 骨肉瘤之放射線影像學診斷
頁籤選單縮合
題 名 | Preoperative MR Imaging Assessment of Osteosarcoma: A Radiological-Surgical Correlation=以磁振造影術前評估骨肉瘤:磁振造影與手術之對照 |
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作 者 | 吳宏達; 張政彥; 林建甫; 陳天雄; 陳威明; 王素芳; | 書刊名 | 中華放射線醫學雜誌 |
卷 期 | 26:1 2001.02[民90.02] |
頁 次 | 頁9-16 |
分類號 | 416.14 |
關鍵詞 | 磁振造影; 骨腫瘤; 骨肉瘤; MR; Bone neoplasms; Osteosarcoma; |
語 文 | 英文(English) |
中文摘要 | 本研究的主旨在探討磁振造影對於骨肉瘤術前的評估及分期的正確性,以及藉由注射顯劑與不注射顯影劑的比較評估顯影劑的用處。從1994年到1999年共34位骨肉瘤病人接受磁振照影檢查;病人包含24位男性、10位女性;年紀從7至55歲,平均17歲。檢查脈衝程序包括:T1加強影像及T2加強影像合併有或無脂肪飽和化。兼做注射顯影劑與不注射顯影劑者有27例,只做不注射藥物者有7例。四個主要的發現與手術結果做比較,包括:關節涉入、生長板侵犯、神經血管侵犯以及骨轉移。磁振造影對於關節涉入的敏感度及特異性分別為100%及60%;對生長板侵犯為90%及62%;對於神經血管侵犯為50%及100%;對於骨轉移為100%及91%。臨床陽性預測值及陰性預測值對於上述四個發現分別為25%,100%,80%,89%,100%,94%,以及25%,100%。四個發現在注射顯影劑及不注射顯影劑27例中並沒有統計上有意義的差別。磁振照影對於術前的評估及分期骨肉瘤是有幫助的。它對偵測關節涉入及生長板侵犯有很好的敏感度,對於神經血管侵犯骨轉移則有很好特異性。顯影劑在評估關節涉入、生長板侵犯、神經血管侵犯以及骨轉移四項主要發現上並非绝對必要。 |
英文摘要 | The objective of the study was to detect the accuracy of MR imaging in preoperative evaluation and staging of osteosarcoma and assess the usefulness of gadopentetate dimeglumine contrast enhancement compared with non-contrast studies. From 1994 to 1999, 34 patients with osteosarcoma received MR imaging examinations (24 men, 10 women, ages 7 - 55 years, mean age 17 years). The pulse sequences included T1 weighted imaging and T2 weighted imaging with or without fat saturation. Pre-and post gadopentetate dimeglumine contrast enhancement was performed in 27 cases. Non-contrast studies were performed in only 7 cases. Surgical findings were compared with imaging findings in the following 4 major areas: involvement of joint , physeal plate invasion, neurovascular invasion, and skip metastasis. The sensitivity and specificity for involvement of joint were 100% and 60% respectively, for physeal plate invasion 95% and 62%, for neurovascular invasion 50% and 100%, and for skip metastasis 100% and 91%. The clinical positive predictive rate / clinical negative predictive rates for the four parameters mentioned above were 25% / 100%, 80% / 89%, 100% / 94 %, and 25% / 100%, respectively. No statistically significant difference of sensitivity and specificity in the 4 major areas was found between post gadopentetate dimeglumine contrast enhancement studies and non- contrast studies in 27 cases. MR imaging is helpful in preoperative evaluation and staging of osteosarcoma. It showed good sensitivity in detecting involvement of joint and physeal plate invasion, and good specificity in identifying the invasion of neurovascular bundle and skip lesions. Contrast enhancement studies are not absolutely essential in assessment of involvement of joint, physeal plate invasion, neurovascular invasion or skip metastasis. |
本系統中英文摘要資訊取自各篇刊載內容。