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应用Varian公司的Portal Dosimetry系统和ScandiDos公司的Delta4三维半导体阵列对Varian 23EX加速器固定剂量率旋转调强(CDR-VMAT)计划进行验证并对比分析。方法:随机选取10例头颈部肿瘤患者、10例胸部肿瘤患者和10例腹部肿瘤患者,采用RayStation计划系统在Varian 23EX加速器上设计CDR-VMAT。照射野根据肿瘤部位合理设计,射线能量...
Portal Vein Aneurysm: Incidental Detection of Uncommon Entity as Cause of Chronic Abdominal Pain
Portal vein Aneurysm
2015/7/10
Portal vein aneurysm is an uncommon anomaly. Both congenital and acquired cases are reported. We report a case of idiopathic probably congenital portal vein aneurysm incidentally detected on contrast ...
A Rare Case of Superior Mesenteric Vein Aneurysm Secondary to Portal Hypertension
Venous Aneurysm Superior Mesenteric Vein (SMV) CT Scan
2013/1/29
Venous aneurysms are less common than arterial aneurysms in clinical practice, and the occurrence of such cases is a topic for publication. Aneurysms of the superior mesenteric vein (SMV) are rare, an...
ESTERR-PRO: A Setup Verification Software System Using Electronic Portal Imaging
ESTERR-PRO Imaging
2009/9/8
The purpose of the paper is to present and evaluate the performance of a new software-based registration system for patient setup verification, during radiotherapy, using electronic portal images. The...
Spontaneous activity of rat portal vein at normal and elevated hydrostatic pressure
portal vein hyperbaric animal rat
2009/7/16
The effects of high hydrostatic pressure on the spontaneous contractile activity of isolated rat portal veins were studied. During compression, an increase of activity was seen, whereas stable elevate...
Hydatid Disease of the Liver:Spontaneous Rupture of the Portal Vein Into the Cyst Wall (A Rare Complication)
quadrant pain Hydatid Complication
2009/6/30
A 60-year-old man was admitted with a complaint of pain in the right upper quadrant of the abdomen together with itching. He had neither jaundice nor fever. He had not developed an anaphylactic reacti...
CT finding of VGE in the portal veins and IVC in a diver with abdominal pain: a case report
diving decompression sickness abdominal venous gas emboli computerized tomography air management
2009/6/2
The finding of abdominal venous gas emboli (VGE) on computerized tomography (CT) is reported for the first time in a recreational diver. The patient presented 2-3 hours after surfacing from two deep a...
Assessment of Normal Doppler Parameters of Portal Vein and Hepatic Artery in 37 Healthy Iranian Volunteers
ultrasonography Doppler hepatic artery portal vein hypertension portal
2010/2/9
Background/Objective: Doppler sonography is a valuable noninvasive method for the diagno-sis of various liver diseases. However, there is scarce information on normal parameters of hepatic artery (HA)...
Sonographic Assessment of Respiratory Variations in Diameter of Portal and Splenic Veins in Cirrhotic Patients and Healthy Controls
Respiratory Variations Portal and Splenic Veins Cirrhotic Patients Healthy Controls
2010/2/5
Sonographic Assessment of Respiratory Variations in Diameter of Portal and Splenic Veins in Cirrhotic Patients and Healthy Controls.