The operations included: excision of brain tumor;extirpation of foreign body, cyst, abscess and cerebral cysticercosis;biopsy of lesion;

• 其中包括脑瘤切除，异物、囊肿、脓肿或囊虫摘除，脑内病变活检，血肿排空，脉络丛烧灼等手术。