门静脉积气和肠气肿；在外科中有广泛意义的放射学征象。
Portal venous gas and pneumatosis intestinalis; radiologic signs with wide range of significance in surgery.
机构信息
Department of Surgery, Prince Charles Hospital, Merthyr Tydfil, United Kingdom.
出版信息
J Surg Educ. 2012 Jan-Feb;69(1):47-51. doi: 10.1016/j.jsurg.2011.07.005. Epub 2011 Sep 15.
BACKGROUND
Portal vein gas (PVG) was described as an uncommon ominous radiologic sign usually harboring an intra-abdominal catastrophe. When accompanied by pneumatosis intestinalis (PI), it is more predictive of bowel ischemia. Since the wide use of computed tomography (CT), both signs could also be viewed as incidental findings during routine radiologic investigations.
METHODS
We present a series of 12 cases that showed either or both signs, collected in a district general hospital between 1991 and 2011.
RESULTS
The diagnoses in these cases varied between fatal bowel ischemia and the mere presence of radiologic signs in the absence of significant pathology.
CONCLUSION
PVG and PI are radiologic signs that can represent a wide range of pathology.
背景
门静脉气栓（PVG）被描述为一种不常见的凶险放射学征象，通常提示存在腹腔内灾难。当伴有肠气肿（PI）时，更能预测肠缺血。自从广泛使用计算机断层扫描（CT）以来，这两种征象也可以在常规放射学检查中被视为偶然发现。
方法
我们收集了 1991 年至 2011 年间在一家地区综合医院中出现这两种征象或其中一种的 12 例病例。
结果
这些病例的诊断结果从致命性肠缺血到仅存在放射学征象而无明显病理学改变不等。
结论
PVG 和 PI 是代表广泛病理学的放射学征象。
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