Magnetic resonance imaging spectrum of solid pseudopapillary neoplasm of the pancreas.

Abstract:

OBJECTIVE:To describe the magnetic resonance imaging spectrum of solid pseudopapillary tumors (SPTs), with an emphasis on solid SPTs. METHODS:Thirty-two patients with proven SPTs with preoperative magnetic resonance were included. The SPTs were classified into 3 types: solid, cystic, and mixed; and 2 radiologists analyzed the images regarding the morphologic features and enhancement pattern. RESULTS:Of 11 solid SPTs, 9 SPTs (81.8%) were less than 3 cm. Alternatively, of the 18 mixed SPTs and 3 cystic SPTs, 15 SPTs (71.4%) were larger than 3 cm. The predominant imaging features were homogeneous hypoenhancement with a gradually incremental enhancement pattern showing a sharp margin without hemorrhage, whereas those of the mixed SPTs were heterogeneous enhancement showing a sharp margin with internal hemorrhage. CONCLUSION:Solid SPTs frequently present as small, well-defined tumors with a gradual enhancement and without hemorrhage or necrosis, and with features that differ from those of mixed or cystic SPTs.

journal_name

J Comput Assist Tomogr

authors

Chae SH,Lee JM,Baek JH,Shin CI,Yoo MH,Yoon JH,Kim JH,Han JK,Choi BI

doi

10.1097/01.rct.0000445639.26581.65

subject

Has Abstract

pub_date

2014-03-01 00:00:00

pages

249-57

issue

2

eissn

0363-8715

issn

1532-3145

journal_volume

38

pub_type

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