| 张斌斌,靳二虎.自身免疫性胰腺炎胰管病变的MRCP特征[J].中国医学影像技术,2017,33(2):232~236 |
| 自身免疫性胰腺炎胰管病变的MRCP特征 |
| MRCP features of pancreatic duct lesions in autoimmune pancreatitis |
| 投稿时间：2016-08-31 修订日期：2016-12-25 |
| DOI：10.13929/j.1003-3289.201608151 |
| 中文关键词: 自身免疫性胰腺炎 胰管 磁共振胰胆管造影术 |
| 英文关键词:Autoimmune pancreatitis Pancreatic duct Magnetic resonance cholangiopancreatography |
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| 中文摘要: |
| 目的 探讨自身免疫性胰腺炎（AIP）胰管病变的MRCP特征。方法 回顾性分析15例AIP患者的临床及MRCP影像资料，对其胰管病变进行定性及定量分析。结果 MRCP上15例AIP患者的胰管均见狭窄（15/15，100%），表现为局部胰管不可见。9例（9/15，60.00%）同时累及腹胰管和背胰管，仅腹胰管或背胰管受累各3例（3/15，20.00%）。11例（11/15，73.33%）胰管呈单发节段性狭窄，狭窄长度2.07~4.69 cm（中位数3.24 cm），上游胰管管径0.14~0.31 cm（中位数0.19 cm）；4例（4/15，26.67%）胰管呈多发节段性狭窄，狭窄长度0.19~3.45 cm（中位数0.82 cm），狭窄段间及上游胰管管径0.14~0.70 cm（中位数0.21 cm）。轴位T1WI、T2WI上，13例（13/15，86.67%）胰腺弥漫性肿大，病变胰腺T1WI呈等、低信号，T2WI稍高信号为主混杂信号；2例（2/15，13.33%）胰腺局限性肿大/肿块，其胰管狭窄部位与胰腺实质病变范围一致。1例（1/15，6.67%）胰尾周围见假性囊肿。结论 AIP胰管病变的MRCP表现可分为单节段狭窄型和多节段狭窄型，大多数的非狭窄段胰管不扩张，但胰管扩张不能排除AIP。 |
| 英文摘要: |
| Objective To investigate the MRCP features of pancreatic duct lesions in autoimmune pancreatitis (AIP).Methods Clinical and MRCP data of 15 patients with AIP were retrospectively analyzed, and the pancreatic duct lesions were qualitatively and quantitatively analyzed.Results The pancreatic duct stenosis was found in 15 patients (15/15,100%), which was not visible in local pancreatic duct. Both ventral pancreatic duct and dorsal pancreatic duct were involved in 9 cases (9/15, 60.00%), only ventral pancreatic duct or dorsal pancreatic duct were involved in 3 cases (3/15, 20.00%). 11 cases (11/15, 73.33%) showed single segmental stenosis of pancreatic duct, the stenotic length was 2.07-4.69 cm (median 3.24 cm), its upstream pancreatic duct diameter was 0.14-0.31 cm (median 0.19 cm); 4 cases (4/15, 26.67%) showed multiple segmental stenosis, the stenotic length was 0.19-3.45 cm (median 0.82 cm), its upstream pancreatic duct diameter was 0.14-0.70 cm (median 0.21 cm). In axial T1WI and T2WI, pancreatic parenchyma showed diffuse enlargement in 13 cases (13/15, 86.67%), appeared as hypo-intense on T1WI, mixed hyper-intense on T2WI; focal enlargement (block) of the pancreas in 2 cases (2/15, 13.33%), pancreatic parenchymal lesions and pancreatic duct stenosis were in the same range. Pseudocyst around the pancreatic tail was seen in 1 case (1/15, 6.67%).Conclusion MRCP features of pancreatic duct disorders in AIP can be divided into single segment stenosis type and multiple segment stenosis type, and non-stenotic segments are not dilated often, but dilatation of pancreatic duct can not rule out AIP. |
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