实时双平面成像在超声引导穿刺中应用的初步研究

Preliminary study of real-time biplane imaging in ultrasound-guided treatment

目的 通过动物实验与临床观察初步研究实时双平面成像在超声引导经皮穿刺中的应用。方法 犬 6条 ,以胆囊模拟肝囊肿 ,实时双平面成像观察穿刺前和穿刺中“囊肿”的形状、“囊肿”与针尖的空间位置关系 ;超声引导经皮穿刺肾囊肿硬化治疗 3例 ,囊肿抽吸与硬化过程中 ,实时双平面成像观察囊肿大小的变化情况及针尖与囊肿腔的空间位置关系 ,确保针尖始终位于囊肿腔中 ;微波凝固治疗原发性肝癌 2例 ,实时双平面成像观察治疗过程中微波天线周围组织的汽化情况。结果 实时双平面成像方法可以快捷地提供穿刺对象空间形状的信息 ,对于确定穿刺点极为方便 ;在观察穿刺针及针尖与穿刺对象间的空间位置关系时 ,双平面方法较单一平面图像更为方便 ,且不需转动探头。结论 对于正确理解穿刺对象的形状、确定穿刺位置以及判断针尖与穿刺对象的关系 ,实时双平面成像方法具有更大的优越性。

Objective To study the ultrasound-guided treatment by real-time biplane imaging in animals and patients. Methods In 6 dogs gallbladders were substituted as hepatic cysts. The shapes of gallbladders and spatial positions of needle tips in gallbladders were studied by real-time biplane imaging before and during treatments. During treatments of 3 renal cysts the changes of cysts and the spatial relations between needle tips and renal cysts were observed to confirm that the needle tips were always in the cysts. In 2 cases of hepatocellular carcinoma boiloff of the tissue around the antenna was observed by real-time biplane imaging during microwave coagulation. Results It was rapid and convenient to acquire the shape information of objects and locate the position of puncture by real-time biplane imaging. And it was more convenient to observe the spatial relation between needle tips and objects of treatment than by conventional single-plane imaging. Conclusions The method of real-time biplane imaging has great advantages in ultrasound-guided treatment.