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Solid pseudopapillary carcinoma of the pancreas: differentiation from benign solid pseudopapillary tumour using CT and MRI

Authors
 J.H. Lee  ;  J.-S. Yu  ;  H. Kim  ;  J.K. Kim  ;  T.H. Kim  ;  K.W. Kim  ;  M.-S. Park  ;  J.H. Kim  ;  Y.B. Kim  ;  C. Park 
Citation
 CLINICAL RADIOLOGY, Vol.63(9) : 1006-1014, 2008 
Journal Title
 CLINICAL RADIOLOGY 
ISSN
 0009-9260 
Issue Date
2008
MeSH
Adolescent ; Adult ; Carcinoma, Papillary/diagnosis* ; Carcinoma, Papillary/pathology ; Diagnosis, Differential ; Dilatation, Pathologic ; Female ; Humans ; Liver Neoplasms/secondary* ; Magnetic Resonance Imaging ; Male ; Middle Aged ; Pancreatic Ducts/pathology ; Pancreatic Neoplasms/diagnosis* ; Pancreatic Neoplasms/pathology ; Regression Analysis ; Retrospective Studies ; Splenic Vein/pathology ; Tomography, X-Ray Computed
Keywords
Adolescent ; Adult ; Carcinoma, Papillary/diagnosis* ; Carcinoma, Papillary/pathology ; Diagnosis, Differential ; Dilatation, Pathologic ; Female ; Humans ; Liver Neoplasms/secondary* ; Magnetic Resonance Imaging ; Male ; Middle Aged ; Pancreatic Ducts/pathology ; Pancreatic Neoplasms/diagnosis* ; Pancreatic Neoplasms/pathology ; Regression Analysis ; Retrospective Studies ; Splenic Vein/pathology ; Tomography, X-Ray Computed
Abstract
AIM: To describe the computed tomography (CT) and magnetic resonance imaging (MRI) findings that differentiate solid pseudopapillary carcinomas (SPC) from benign solid pseudopapillary tumours (SPT) of the pancreas. MATERIALS AND METHODS: Preoperative CT or MRI images for 26 patients (eight patients with SPC and 18 patients with SPT) were retrospectively reviewed. In addition to the general morphological features, the presence of pancreatic duct dilation, vascular invasion, and extrapancreatic metastases were comparatively assessed. RESULTS: There were no significant differences between pancreatic SPC and benign SPT with respect to tumour size, location, capsule thickness, internal composition, and pattern of calcification, nor was there any correlation with the age and gender of the patients. Pancreatic duct dilation was present in four of the eight (50%) SPC patients, and was absent in all benign SPT patients (p=0.005). Vascular encasement by the tumour (n=2) and hepatic metastases (n=2) were also exclusively demonstrated in SPC patients. Multivariate logistic regression analysis showed that pancreatic duct dilation (p=0.001), vessel encasement (p=0.027), and metastasis (p=0.027) were the variables that can be used to differentiate SPC from benign SPT. CONCLUSION: SPC of the pancreas may help to differentiate from benign SPT using the imaging features of aggressive behaviour of pancreatic duct dilation and vessel encasement with or without extrapancreatic metastases.
Full Text
http://www.sciencedirect.com/science/article/pii/S0009926008001736
DOI
10.1016/j.crad.2008.04.007
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Pathology (병리학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
Yonsei Authors
Kim, Ki Whang(김기황)
Kim, Joo Hee(김주희) ORCID logo https://orcid.org/0000-0001-5383-3602
Kim, Ho Keun(김호근)
Park, Mi-Suk(박미숙) ORCID logo https://orcid.org/0000-0001-5817-2444
Park, Chan Il(박찬일)
Yu, Jeong Sik(유정식) ORCID logo https://orcid.org/0000-0002-8171-5838
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/107034
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