occlusion

Objective To study the spiral CT features of pancreatogenic segmental occlusion of portal system (PSOPS).

目探讨胰源门静系节段阻塞(PSOPS)CT征象。

Portal vein was invaded in 3 cases and presented as infiltration, stegnosis or occlusion of the vein.

肿瘤侵及门静3例，表现为门侧壁浸润、门缩窄或闭塞。

Objective To evaluate the long-term efficacy and complication of laser chorioretinal venous anastomosis (CRVA) for retinal vein occlusion (RVO).

摘目评价激光络膜视网膜静吻合（CRVA）术后≥2年视网膜静阻塞患者疗效和并发症。

Singular neurectomy (posterior ampullary nere transsection) and posterior semicircular canal occlusion are the 2 specific techniques used in intractable BPP surgery.

单纯神经切除术（后壶腹神经）和后半规管闭塞术是应用于难治良阵发位晕两种特殊手术治疗技术。

It will cause loss of the canine guidance, damage of the occlusion, and discoordination of the maxillary and mandibular arch forms.

阻生犬齿引起犬齿导引丧失、咬合损伤、上下颚牙弓不协调。

Objective To observe the characteristics of fundus images and fluorescin angiography (FFA) in diabetic retinopathy (DR) combined with retinal vein occlusion (RVO).

摘目分析糖尿病视网膜病变(DR)合并视网膜静阻塞(RVO)眼底特征和荧光素眼底血管造影(FFA)图像特征。

Methods Occlusion of the openings of main artery and side artery was performed through double-channeled air pocket tube,with normothermia,normal flowing rate and heart beating.

方法采用经肺双腔气囊导管封堵主侧导管开口，常温、常规流量，心脏不停跳缝闭导管开口。