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首页> 外文期刊>Radiology >Aplasia or hypoplasia of the pancreatic uncinate process: comparison in patients with and patients without intestinal nonrotation.
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Aplasia or hypoplasia of the pancreatic uncinate process: comparison in patients with and patients without intestinal nonrotation.

机译：胰不粘连过程的发育不全或发育不全：有肠和无肠的患者的比较。

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PURPOSE: To investigate whether the pancreatic uncinate process is hypoplastic in patients with intestinal nonrotation, and to evaluate the association of hypoplasia or aplasia of the uncinate process with mesenteric vascular inversion. MATERIALS AND METHODS: Computed tomographic (CT) scans of the pancreas in five patients with intestinal nonrotation and in 101 patients with normal intestinal rotation were reviewed to assess the morphology of the uncinate process. The transverse diameter of the uncinate process was measured, and the relationship with the superior mesenteric artery and vein was defined. RESULTS: The uncinate process was absent in three and unusually small in two of the five patients with nonrotation. The uncinate process was clearly present in all patients with normal rotation. The mean transverse diameter (2.60 mm +/- 2.61 [standard deviation]) of the uncinate process in patients with nonrotation was significantly smaller than that (15.1 mm +/- 5.0) in the patients with normal rotation(P < .001). Four of the five patients with nonrotation had mesenteric vascular inversion, and three of these patients had no uncinate process. None of the patients with normal rotation had mesenteric vascular inversion. CONCLUSION: The uncinate process was aplastic or hypoplastic in patients with nonrotation, which may have been associated with incomplete rotation of the ventral bud of the pancreatic primordium, as well as mesenteric vascular inversion.
机译：目的：探讨小肠非旋转患者的胰腺未融合过程是否发育不良，并评估发育不全或发育不全与肠系膜血管内翻的关系。材料与方法：回顾性分析了5例肠不旋转患者和101例肠旋转正常患者的胰腺CT扫描，以评估单核过程的形态。测量了未结突的横向直径，并定义了与肠系膜上动脉和静脉的关系。结果：三例无旋转的患者中没有三例发生融合过程，异常小。旋转正常的所有患者中明显都存在未结过程。非旋转患者的未融合过程的平均横径（2.60 mm +/- 2.61 [标准偏差]）显着小于旋转正常的患者的平均横径（15.1 mm +/- 5.0）（P <.001）。 5例非旋转患者中有4例患有肠系膜血管内翻，其中3例未发生结突。旋转正常的患者均无肠系膜血管倒置。结论：非旋转患者的癌变过程为再生障碍或发育不良，这可能与胰腺原基的腹芽旋转不完全以及肠系膜血管倒置有关。

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