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Journal of Case Reports
Significance of Calcification in Sclerosing Angiomatoid Nodular Transformation: Little-Known but Meaningful Imaging Finding
Takaaki Nakashima1, Tsuyoshi Tajima1, Fuminori Mihara2, Toru Igari3, Yutaka Shida1, Toshifumi Masuda1, Yoshihiro Edamoto2, Tetsu Yano4
Departments of Diagnostic Radiology1, Surgery2, Pathology3, and Obstetrics and Gynecology4, National Center for Global Health and Medicine, 1-21-1 Toyama, Shinjuku-ku, 162-8655, Tokyo, Japan.
Corresponding Author:
Dr. Tsuyoshi Tajima
Email: ttajima@hosp.ncgm.go.jp   
Received: 22-FEB-2016 Accepted: 31-MAY-2016 Published Online: 20-JUL-2016
DOI: http://dx.doi.org/10.17659/01.2016.0080
Abstract
Sclerosing angiomatoid nodular transformation (SANT) is a benign non-neoplastic vascular splenic lesion consisting of multiple angiomatoid nodules surrounded by dense fibrous tissue. As its characteristic imaging features, low signal intensity on T2-weighted MR imaging and characteristic enhancement patterns on dynamic contrast-enhanced CT and MRI have been reported. Meanwhile, only a few cases that had calcifications within SANT on imaging have been reported. Herein we report a case of SANT that showed scattered punctate foci of calcification on imaging, and suggest the mechanism and significance of calcification in SANT in association with image diagnosis of this disease.
Keywords : Calcification, Calcinosis, Magnetic Resonance Imaging, Splenic Diseases, Splenic Neoplasms.
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