| 王静.CT泪滴状肠系膜上静脉征评价胰头癌不可切除性的意义[J].中国医学影像技术,2001,17(2):111~113 |
| CT泪滴状肠系膜上静脉征评价胰头癌不可切除性的意义 |
| Sign of Teardrop Superior Mesenteric Vein on Enhanced CT: Significance for Evaluating Unresectable Carcinoma of the Pancreatic Head |
| 投稿时间：2001-01-10 |
| DOI： |
| 中文关键词: 胰腺癌 X线计算机断层摄影术 诊断 |
| 英文关键词:Pancreatic carcinoma Computed tomograghy/X-ray Diagnosis |
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| 中文摘要: |
| 目的 研究CT泪滴状肠系膜上静脉(SMV)征能否可靠判断胰头癌的不可切除性。 方法 回顾性分析98例经手术病理证实的胰头癌,对照分析CT表现及手术病理,评价泪滴状SMV征反映胰头癌不可切除性的敏感性、准确性和特异性。 结果 在增强CT上,泪滴状SMV征结合其他CT表现可明显提高胰头癌不可切除的敏感性(从61%到89%)和准确性(从70%到91%),但对可切除的特异性无显著影响(从100%到96%)。 结论 泪滴状SMV征是胰头癌不可切除性的可靠表现,对术前手术方案的制定有指导意义。 |
| 英文摘要: |
| Objective To study whether a teardrop-shaped superior mesenteric vein (SMV) is a reliable CT sign of unresectable adenocarcinoma in the head of pancreas. Methods Enhanced CT images of ninety-eight patients with pancreatic carcinomas proved by pathology were retrospectively reviewed by two radiologists who were unfamiliar with the final diagnosis. Surgical and pathological outcomes were used as the reference standard to determine the sensitivity, accuracy and specificity of teardrop-shaped SMV. Results Added to conventional signs, teardrop SMV significantly increased CT's sensitivity (from 61% to 89%) and accuracy (from 70% to 91%) without significantly changing its specificity (from 100% to 96%) for evaluating resectability of carcinoma in pancratic head. Conclusion The teardrop SMV is a reliable CT sign for predicting unresectability of adenocarcinoma of the pancreatic head and can significantly contribute to preoperative planning. |
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