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頁籤選單縮合
題 名 | Clinical Relevance of Nonvisualized Sentinel Lymph Nodes in Unselected Breast Cancer Patients during Lymphoscintigraphy=淋巴攝影未能偵測到乳癌病患的前哨淋巴的臨床意義 |
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作 者 | 羅永豐; 薛綏; 馬士雅; 陳訓徹; 陳敏夫; | 書刊名 | 長庚醫學 |
卷 期 | 28:6 2005.06[民94.06] |
頁 次 | 頁378-386 |
分類號 | 416.226 |
關鍵詞 | 前哨淋巴; 乳癌; Sentinel lymph node; Breast cancer; |
語 文 | 英文(English) |
中文摘要 | 背景:乳癌病患腋下淋巴線有無被侵犯是預後的重要指標,前哨淋巴切除術有很高的準確性而被用來取代腋下淋巴線廓清術,但淋巴攝影有時候並未能成功的偵測到前哨淋巴。 方法:本研究回顧西元2000年至2003年所有接受淋巴攝影的乳癌病患。淋巴攝影方法係於腫瘤正上方的皮下注射technetium-99m sulfur colloid,劑量為37MBq。淋巴攝影的追蹤時間為兩小時,若可以看到淋巴引流的痕跡則增加至四小時。本研究收集這些淋巴攝影未能偵測到前哨淋巴的病患加以分析。 結果:共收集了232位乳癌病患,其中有24位有接受術前化療,有27位(11.6%)未能偵測到前哨淋巴的病患。單變異分析(univariate analysis)結果發現腫瘤大小與腋下淋巴線有無被侵犯是影嚮前哨淋巴偵測的原因(p值分別為0.025及0.001)。而多變異分析(multivariate analysis) 發現腋下淋巴線被侵犯三顆以上及十顆以上有統計上的意義(p值皆為0.001)。 結論: 淋巴攝影未能偵測到乳癌病患的前哨淋巴時,須懷疑有超過三顆腋下淋巴線被侵犯。 |
英文摘要 | Background: Sentinel lymph node (SLN) biopsy in breast cancer is an effective technique with a high degree of accuracy and low false-negative rate to replace axillary lymph node dissection (ALND). This study analyzed the major clinicopathological factors associated with nonvisualized sentinel nodes during preoperative lymphoscintigraphy. Methods: Breast cancer patients who underwent preoperative lymphoscintigraphy and sentinel node biopsy between 2000 and 2003 were retrospectively reviewed. Sentinel node biopsy was performed with a two-day protocol. On day one, a filtered (45 μm Millipore) technetium-99m sulfur colloid isotope with a mean radioactive dose of 37MBq (1 mCi) in a diluted volume of 1 ml was injected subdermally just above the primary breast tumor site. Serial dynamic images were taken with a high-resolution collimator and a static image was acquired after the SLN was identified. No hot spot identified two hours after injection was classified as nonvisualization unless lymphatic drainage channels were viewed by the lymphoscintigraphy and a prolonged two hour scan was obtained. Sentinel nodes were harvested on day two. The cases with nonvisualized sentinel nodes were analyzed according to clinical histopathologic parameters to determine the clinical significance. Results: A total of two hundred thirty-two breast cancer patients were enrolled in this study. Twenty-four of these cases presented with advanced breast cancer prior to neoadjuvant chemotherapy. The sentinel node was nonvisualized in twenty-seven of two hundred thrity-two cases (11.6%). Tumor size (p=0.025) and lymph node metastasis (p=0.001) were two factors associated with nonvisualized sentinel node in univariate analysis. Multivariate logistic regression analysis showed that more than three nodes (p=0.001) and more than ten nodes (p=0.001) metastasis were independent factors associated with nonvisualized sentinel node. Conclusions: Patients with more than three axillary nodes metastasis is an independent factor associated with nonvisualized sentinel node during lymphoscintigraphy. |
本系統中英文摘要資訊取自各篇刊載內容。