With the availability of new , miniaturized laparoscopic instruments suitable for use in small children and the improvement of surgical techniques , the department has achieved many laparoscopic operations in young children over the last few years . these include laparoscopic appendicectomy , nephrectomy , heminephrectomy , splenectomy , fundoplication , dismembered pyeloplasty , orchidopexy , varicocelectomy , tumour excision , etc . in fact , most paediatric surgical operations in prince of wales hospital that have hitherto been performed by the open method can now be safely performed with an endoscopic approach 随著新的适用于小儿的小型腹腔镜器械的应用和外科技术的提高,在过去几年内,外科学系开展了多种小儿腹腔镜手术,包括腹腔镜阑尾切除术、肾切除术、半肾切除术、脾切除术、胃底拆叠术、肾盂成形术、睾丸固定术、曲张精索静脉切除术和肿瘤切除术。