磁共振成像技术对胰腺导管内乳头状黏液瘤的诊断价值

目的探讨胰腺导管内乳头状黏液瘤的MRI影像学特点,以提高该病的诊断准确率。方法搜集12例经手术证实的胰腺导管内乳头状黏液瘤患者的临床及影像学资料,回顾性分析主胰管型和分支胰管型的MRI表现。结果研究证实,12例中有主胰管型3例和分支胰管型9例。主胰管型MRI表现为主胰管节段性或弥漫性扩张,可伴有胰腺实质的萎缩;分支胰管型MRI表现为单房或多房型囊性病变,并与主胰管相通。结论 MRI对胰腺导管内乳头状黏液瘤是一种无创、有效的诊断方法,有助于提高该病的诊断准确率。

The value of magnetic resonance imaging for diagnosing intraductal papillary mucinous neoplasms of the pancreas

Objective To explore the characteristic MRI findings of intraductal papillary mucinous neoplasms（IPMNs） of the pancreas and to elevate the diagnostic accuracy.Methods The clinical-and imaging data of 12 patients with surgically proved IPMNs which comprised main pancreatic duct（MPD） type and branch pancreatic duct（BPD） type were collected and analyzed retrospectively.Results The study demonstrated that there were 3 MPD type and 9 BPD type in 12 patients.Typical MRI findings of MPD type were segmental or dif fuse dilation of main pancreatic ducts associated with the atrophy of pancreatic parenchyma.Typical MRI findings of BPD type were u nilocular-or multilocular-cystic lesions associated with the communication between the cystic lesions and main pancreatic ducts.Conclusion MRI is a non-invasive and useful method in making definite diagnosis of IPMN and can elevate the diagnositic accuracy.