| 吴苾,宋彬,陈卫霞.胰源性区域性门静脉高压的螺旋CT表现及临床意义[J].中国医学影像技术,2004,20(9):1461~1464 |
| 胰源性区域性门静脉高压的螺旋CT表现及临床意义 |
| Spiral CT manifestation and clinical significance of venous collaterals in pancreatogenic segmental portal hypertension |
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| DOI： |
| 中文关键词: 胰腺疾病 脾静脉 侧支循环 螺旋CT |
| 英文关键词:Pancreatic disease Splenic vein Collateral circulation Spiral CT |
| 基金项目: |
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| 中文摘要: |
| 胰腺肿瘤或炎性病变易侵犯或压迫脾静脉而致其阻塞,造成其引流区域血管系统形态和功能上的改变,称为胰源性区域性门静脉高压症(PSPH)。①胃短静脉→胃底静脉丛→胃冠状静脉和②胃网膜静脉→胃结肠干→肠系膜上静脉是PSPH主要的两个侧支循环通道,在螺旋CT上表现出特征性的分布和走行,并在胰腺癌术前分期和评估PSPH方面具有重要临床意义。增强多排螺旋CT血管成像技术有利于连续追踪上述血管走行, 清晰显示其毗邻关系,有助于PSPH的诊断。 |
| 英文摘要: |
| Neoplastic and inflammatory diseases of pancreas are likely to cause narrowing, thrombosis, or occlusion of splenic vein, leading to functional and morphological changes in the drainage region of splenic vein. This pathological state was called pancreatogenic segmental portal hypertension (PSPH). The two predominant collateral pathways of PSPH were: ①short gastric veins → fundic veins → gastric coronary vein and ②gastroepiploic veins → gastrocolonic trunk → superior mesenteric vein. These collateral veins usually showed characteristic anatomic distributions and pathways on spiral CT and of clinical significance in preoperative staging of pancreatic tumors and evaluation of PSPH. The portal venography of contrast-enhanced multi-slice spiral CT can clearly depict the anatomic characteristics of the collaterals and enable continuously trace the vascular structures. |
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