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Contrast-enhanced multiphasic CT and MRI findings of adenosquamous carcinoma of the pancreas 期刊论文

编号：

421cfef2-0ba2-4bc3-813b-527985810949
作者：

Ding, Yuqin(丁玉芹)#^[1,2,3]Zhou, Jianjun^[1,2,3];Sun, Huihong^[4];He, Deming^[5];Zeng, Mengsu(曾蒙苏)^[1,2,3]Rao, Shengxiang(饶圣祥)^[1,2,3]
语种：

English
期刊：

CLINICAL IMAGING ISSN：0899-7071 2013 年 37 卷 6 期 (1054 - 1060) ; NOV-DEC
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关键词：

Pancreas Adenosquamous carcinoma X-ray computed tomography Magnetic resonance imaging
摘要：

Objective: The objective was to retrospectively study computed tomography (CT) and magnetic resonance imaging (MRI) findings of adenosquamous carcinoma of the pancreas (PASC). Materials and Methods: Twelve patients (six women and six men; mean age, 61.3 years; range, 47-78 years) who presented with PASC as documented by pathologic examination underwent CT (n=10) or both CT and MRI (n=2) examination. Two radiologists evaluated the images and determined the location, size, margin, internal attenuation or signal intensity, contrast enhancement, and pattern for each tumor. Additionally, the presence of poorly enhanced areas, upstream main pancreatic duct (MPD) dilatation, pancreatic atrophy, and peripancreatic tissue metastasis were evaluated. Images were cross-referenced to surgical and pathologic findings. Results: Masses were distributed throughout the pancreas (head, n=6; body, n=1; and tail, n=5). The tumor size ranged from 2.4 to 5.5 cm with an average size of 3.7 cm. Eight (66.7%) masses were ill defined, and seven (58.3%) were partially exophytic. Twelve (100%) masses showed heterogeneous and poorly enhanced areas. The lesions showed weak (n=5), moderate (n=5), or intense (n=2) progressive enhancement The diameter of MPD in six patients ranged from 3.0 to 5.0 mm with an average of 3.7 mm. Pancreatic atrophy was not found. In 10 patients (83.3%), masses invaded the peripancreatic tissues. Two patients had metastatic liver disease at presentation. Conclusion: PASC typically presented as an ill-defined, hypovascular mass with a poorly enhanced area, exophytic tendency, and peripancreatic tissue invasion. Lack of pancreatic atrophy and mild MPD dilatation were also distinct from common duct pancreatic adenocarcinoma. (C) 2013 Elsevier Inc. All rights reserved.
推荐引用方式
GB/T 7714：

Ding Yuqin,Zhou Jianjun,Sun Huihong, et al. Contrast-enhanced multiphasic CT and MRI findings of adenosquamous carcinoma of the pancreas [J].CLINICAL IMAGING,2013,37(6):1054-1060.
APA：

Ding Yuqin,Zhou Jianjun,Sun Huihong,He Deming,&Rao Shengxiang.(2013).Contrast-enhanced multiphasic CT and MRI findings of adenosquamous carcinoma of the pancreas .CLINICAL IMAGING,37(6):1054-1060.
MLA：

Ding Yuqin, et al. "Contrast-enhanced multiphasic CT and MRI findings of adenosquamous carcinoma of the pancreas" .CLINICAL IMAGING 37,6(2013):1054-1060.

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