钝头同轴穿刺针引导器：用于胸部和腹部困难CT引导活检的一种改良工具。
Blunt-tip coaxial introducer: a revisited tool for difficult CT-guided biopsy in the chest and abdomen.
作者信息
de Bazelaire Cedric, Farges Cecile, Mathieu Olivier, Zagdanski Anne-Marie, Bourrier Pierre, Frija Jacques, de Kerviler Eric
机构信息
Department of Radiology, Saint Louis Hospital, Paris VII University, 1 Ave. Claude Vellefaux, Paris, 75475 Cedex 10, France.
出版信息
AJR Am J Roentgenol. 2009 Aug;193(2):W144-8. doi: 10.2214/AJR.08.2125.
OBJECTIVE
We describe a coaxial introducer provided with an additional blunt-tip stylet that allows safe access to difficult-to-reach lymph nodes in the chest, abdomen, and pelvis under CT control.
CONCLUSION
Once the thoracic, abdominal, or pelvic wall is crossed by the introducer fitted with the sharp-tip stylet, the blunt-tip stylet replaces the sharp stylet for further progression in the fat toward the target. The soft-tip stylet carries a smaller risk of inadvertent perforation displacing vital structures.
目的
我们描述一种配备额外钝头探针的同轴导入器，其可在CT引导下安全进入胸部、腹部和骨盆中难以触及的淋巴结。
结论
一旦装有尖头探针的导入器穿过胸壁、腹壁或盆腔壁，钝头探针将取代尖头探针，以便在脂肪组织中进一步向目标推进。软头探针意外穿孔移位重要结构的风险较小。
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