Image‐diagnostic features of mature cystic teratomas of the pancreas: report on two cases difficult to diagnose preoperatively

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 cholan...

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Published inJournal of Hepato‐Biliary‐Pancreatic Surgery Vol. 12; no. 4; pp. 336 - 340
Main Authors Seki, Makoto, Ninomiya, Eiji, Aruga, Akiko, Yamada, Keiko, Koga, Rintaro, Saiura, Akio, Yamamoto, Junji, Yamaguchi, Toshiharu, Takano, Koichi, Fujita, Rikiya, Sasaki, Keiko, Kato, Yo
Format Journal Article
LanguageEnglish
Published Japan 01.08.2005
Subjects
dermoid cyst of the pancreas
Female
Humans
image diagnosis
Magnetic Resonance Imaging
Male
mature cystic teratoma of the pancreas
Middle Aged
Pancreatic Neoplasms - diagnosis
Pancreatic Neoplasms - diagnostic imaging
Teratoma - diagnosis
Teratoma - diagnostic imaging
Tomography, X-Ray Computed
Ultrasonography
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Summary: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.
ISSN:0944-1166
1868-6982
1436-0691
DOI:10.1007/s00534-005-0994-z