NDLI: Computed tomography and magnetic resonance imaging findings of malignant solid pseudopapillary tumors of the pancreas with macroscopic venous tumor thrombosis: a report of 4 cases.

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Computed tomography and magnetic resonance imaging findings of malignant solid pseudopapillary tumors of the pancreas with macroscopic venous tumor thrombosis: a report of 4 cases.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Liu, Qing-Yu Lai, Dong-Ming Zeng, Yu-Ping Lin, Xiao-Feng Li, Hai-Gang
Description	Country affiliation: China Author Affiliation: Liu QY ( From the *Department of Radiology, BoJi-Affiliated Hospital of Sun Yat-sen University, Departments of Radiology, General Surgery, and §Pathology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, Guangdong Province, China.)
Abstract	PURPOSE: The purpose of this study was to report the imaging findings of malignant pancreatic solid pseudopapillary tumors (SPTs) with macroscopic venous tumor thrombi. METHODS: The clinical features and imaging findings of 4 cases of malignant pancreatic SPT with venous tumor thrombi were retrospectively reviewed. RESULTS: The tumor thrombi were located in the splenic vein (n = 3) or the main portal vein and the proximal splenic vein (n = 1). Venous thrombi were connected with the main pancreatic tumors and showed venous filling defects on computed tomography and magnetic resonance imaging. Tumor thrombi primarily consisting of necrotic component and/or hemorrhage displayed no enhancement after contrast injection (n = 3). The enhancement pattern of the tumor thrombi that consisted mainly of tumor nests was consistent with pancreatic SPT (n = 1), that is, a slight enhancement in the arterial phase and a progressive enhancement in the portal venous phase and the equilibrium phase. Venous tumor thrombi associated with hemorrhage were hyperintense on both T1-weighted and T2-weighted images. CONCLUSIONS: It is uncommon for pancreatic SPTs to spread by invading the venous system and forming macroscopic venous tumor thrombi.
File Format	HTM / HTML
ISSN	03638715
Issue Number	3
Volume Number	38
e-ISSN	15323145
Journal	Journal of Computer Assisted Tomography
Language	English
Publisher	Lippincott Williams & Wilkins
Publisher Date	2014-05-01
Publisher Place	United States
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Radiology Adenocarcinoma, Papillary Diagnosis Magnetic Resonance Imaging Methods Pancreatic Neoplasms Tomography, X-ray Computed Venous Thrombosis Complications Adult Diagnosis, Differential Female Humans Male Middle Aged Etiology Case Reports Journal Article
Content Type	Text
Resource Type	Case study Article
Subject	Radiology, Nuclear Medicine and Imaging

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