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Image-diagnostic features of mature cystic teratomas of the pancreas: report on two cases difficult to diagnose preoperatively |
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| Authors: | Makoto Seki Eiji Ninomiya Akiko Aruga Keiko Yamada Rintaro Koga Akio Saiura Junji Yamamoto Toshiharu Yamaguchi Koichi Takano Rikiya Fujita Keiko Sasaki Yo Kato |
| Institution: | Department of Surgery, Cancer Institute of the JFCR, 3-10-6 Ariake, Koto-ku, Tokyo, 135-8550, Japan Kasumigaseki-Building Clinic, Tokyo, Japan Department of Radiology, Cancer Institute of the JFCR, Tokyo, Japan Department of Internal Medicine, Cancer Institute of the JFCR, Tokyo, Japan Department of Pathology, Cancer Institute of the JFCR, Tokyo, Japan |
| Abstract: | This report documents the findings of two rare cases of mature cystic teratoma of the pancreas. Although they could not be diagnosed preoperatively, our retrospective report suggests that the combined diagnosis of ultrasonography (US), enhanced computed tomography (CT), and magnetic resonance cholangiopancreatography (MRCP) might allow differentiation from other cystic lesions such as mucinous cystic tumors (MCTs) and intraductal papillary–mucinous tumors (IPMTs). Since the cystic teratomas were both filled with keratinous and sebaceous material, they were echogenic, appearing as solid masses on US. Enhanced CT showed their cystic nature, with values slightly higher than water, and MRCP revealed defects of internal signals. |
| Keywords: | mature cystic teratoma of the pancreas dermoid cyst of the pancreas image diagnosis |
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