CT血管成像技术在腹壁下动脉穿支皮瓣术前设计中的应用

目的 探讨CT血管成像(computed tomography angiography,CTA)技术在腹壁下动脉穿支(deep inferior epigastrie artery perforator,DIEAP)皮瓣术前设计中的应用. 方法 2007年1月至2008年3月,对13例拟行DIEAP皮瓣手术的患者术前应用CTA技术对腹壁下动脉进行检查,包括5例阴道先天性缺如、4例阴茎阴囊Paget's病、4例乳腺癌术后乳房缺损的患者,将获得的数据进行处理,包括多平面重组、最大密度投影以及容积显示.观察腹壁下动脉的走行、分支以及穿支位置,并将CTA图像结果与术中情况进行比较. 结果 CTA图像提供腹壁下动脉在肌肉内走行和穿支位置等有效信息,指导DIEAP皮瓣的术前设计,并在手术中得到验证. 结论 术前对腹壁下动脉进行CTA检查,可以有效地指导DIEAP皮瓣的术前设计.

Application of computed tomography angiography in preoperative design of deep inferior epigastric artery perforator flap

Objective To explore the application of computed tomography angiography (CTA) in preoperative design of deep inferior epigastric artery perforator (DIEAP)flap. Methods From Jan, 2007 to Mar,2008, preoperative CTA of deep inferior epignstric artery was performed in 13 patients, including 5 patients with congenital absence of the vagina, 4 patients with penile and scrotal Paget' s disease and 4 patients after mastectomy. The images were analyzed, including multiple planar reformation (MPR), maximum intensity projection(MIP) and volume rendering(VR). Then the distributions, branches and locations of perforators of deep inferior epigastric artery were measured. The images from CTA were compared with intraoperative observation. Results The images demonstreated the distributions of deep inferior epigastric artery and locations of its perforators, which were proved to be true by intraoperative observation. Conclusions The preoperative CTA of deep inferior epigastzic artery is very useful for preoperative design of DIEAP flaps.