查詢結果分析
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頁籤選單縮合
題 名 | Accuracy of Frozen Section Diagnoses in Ovarian Tumors=冷凍切片診斷於卵巢腫瘤之準確性 |
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作 者 | 陳子健; 王國恭; 王道遠; 楊育正; 蘇聰賢; | 書刊名 | 中華民國婦產科醫學會會刊雜誌 |
卷 期 | 37:1 1998.03[民87.03] |
頁 次 | 頁7-13 |
分類號 | 417.25 |
關鍵詞 | 冷凍切片; 卵巢腫瘤; Frozen section diagnosis; Ovarian tumors; |
語 文 | 英文(English) |
中文摘要 | 目的:評估冷凍切片診斷在卵巢病變的可靠程度。 方法:針對1991年1月至1996年6月間,馬偕醫院的299 例卵巢切片診斷進行 回溯分析。若冷凍切片無法在手術中獲得診斷,或冷凍切片診斷與最後診 斷不相容,則重新研究其切片,以找出可能原因。 結果:這299例卵巢病變的冷凍切片在總體上,96%與其最後診斷相容,1%無 法在手術中獲得診斷,無偽陽性,偽陰性有2%,另有%被低估了惡性 程度。惡性病變有75例,其冷凍切片之敏感為92%,陽性預測值為 100%。低惡性病變有23例,其冷凍切片診斷之敏感度為78.3%,陽性頂測 值85.7%。對於非良性病變,冷凍切片診斷之特定度為99.5%,陰性頂測 值為97.1%。無法於手術中獲得診斷之3例,推測是因冷凍切片庪術之限 制所致。與最後診斷不相容之9例冷凍切片,其可能原因為採樣或判讀上 之錯誤:此9例中有7例屬於黏液性之卵巢病變。非黏液性惡性卵巢腫 瘤之冷凍切片診斷敏感度為90%,而液性低惡性卵腫瘤的只有69.2% (0.01<p<0.025)。13例生殖細胞惡性病變(含3例惡性胚瘤),可由冷凍 切片得到適當之診斷。17例轉移至卵巢之病變,有13例可由冷凍切片得 知其源自卵巢外之器官。 結論:卵巢病變之冷凍切片診斷有足夠之正確性。不相容之診斷主要來自黏液性 腫瘤:而低惡性卵巢腫瘤之冷凍切片診斷敏感度較低,乃因其中的黏液性 個案之診斷敏感度較低之故。 |
英文摘要 | Objective:To assess the reliability of frozen section diagnosis in ovarian tumors. Methods: We compared 299 consecutive frozen section diagnoses with their final diagnoses in cases of ovarian tumors from January 1991 through June 1996. Slides for which the frozen section diagnosis was uncertain or incompatible with the final diagnosis were reviewed by a senior pathologist to determine the possible causes. Results:The ovarian frozen section diagnosis was compatible with the final diagnosis in 96% of the cases. For malignant lesions, frozen section sensitivity was 92%, and the positive predictive value was 100%. For borderline tumors, the sensitivity of frozen section was 78.3%, and the positive predictive value was 85.7%. The specificity for non-benign(i.e., malignant or borderline) lesions was 99.5%. and the negative predictive value was 97.1%. There were no false positives or overdiagnosed cases;six(2%) diagnoses were false negatives, three cases (1%) were underdiagnosed as regards the degree of malignancy, and three(1%) were uncertain on frozen section. The three uncertain frozen section diagnoses were caused by technical limitations, and the diagnoses in nine falsely negative of underdiagnosed cases were due to either sampling or interpretative errors. Seven of the nine falsely negative or underdiagnosed cases were sampled from mucinous tumors. The sensitivity of frozen section in diagnosing non-mucinous borderline tumors was 90%, but the sensitivity was only 69.2% for mucinous borderline tumors(0.01<p<0.025). All of 13 germ cell malignancies (including three of four dysgerminomas) were correctly diagnosed by frozen section. Thirteen of 17 (76.5%) tumors metastatic to the ovaries were correctly diagnosed or at least suggested on frozen section as being of metastatic origin. Conclusions: Ovarian frozen section diagnosis is sufficiently accurate for clinical use. Most incompatible diagnoses occurred in mucinous tumors. |
本系統中英文摘要資訊取自各篇刊載內容。