Journal of computer assisted tomography · 2012
Imaging studies of intraductal tubulopapillary neoplasms of the pancreas: 2-tone duct sign and cork-of-wine-bottle sign as indicators of intraductal tumor growth.
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Motosugi Utaroh, Yamaguchi Hiroshi, Furukawa Toru, Ichikawa Tomoaki, Hatori Takashi, Fujita Izumi, Yamamoto Masakazu, Motoi Fuyuhiko, Kanno Atsushi, Watanabe Tomoo, Koike Naoto, Koyama Isamu, Kobayashi Junya, Shimizu Michio
Аннотация
OBJECTIVE: The objective of this study was to describe the imaging findings for intraductal tubulopapillary neoplasms of the pancreas.
METHODS: Eleven pancreatic tumors pathologically confirmed as intraductal tubulopapillary neoplasm were retrospectively collected. The dynamic contrast-enhanced computed tomography (CT), magnetic resonance (MR) imaging including MR cholangiopancreatography (MRCP), ultrasound, and endoscopic retrograde cholangiopancreatography (ERCP) results were reviewed. The 2-tone duct sign and cork-of-wine-bottle sign were reviewed as indicators of intraductal tumor growth on CT/MR and MRCP/ERCP images, respectively.
RESULTS: A 2-tone duct sign was noted on the dynamic CT images (7/10, 70%) and on the MR imaging (5/8, 63%). The distal main pancreatic duct was dilated in all the patients except one, who had a branch duct lesion. A cork-of-wine-bottle sign was observed on the MRCP image (3/8, 38%) and on the ERCP image (3/6, 50%).
CONCLUSIONS: Intraductal tubulopapillary neoplasms are rare tumors showing characteristic imaging findings such as the 2-tone duct sign and the cork-of-wine-bottle sign that represent their intraductal growth.
METHODS: Eleven pancreatic tumors pathologically confirmed as intraductal tubulopapillary neoplasm were retrospectively collected. The dynamic contrast-enhanced computed tomography (CT), magnetic resonance (MR) imaging including MR cholangiopancreatography (MRCP), ultrasound, and endoscopic retrograde cholangiopancreatography (ERCP) results were reviewed. The 2-tone duct sign and cork-of-wine-bottle sign were reviewed as indicators of intraductal tumor growth on CT/MR and MRCP/ERCP images, respectively.
RESULTS: A 2-tone duct sign was noted on the dynamic CT images (7/10, 70%) and on the MR imaging (5/8, 63%). The distal main pancreatic duct was dilated in all the patients except one, who had a branch duct lesion. A cork-of-wine-bottle sign was observed on the MRCP image (3/8, 38%) and on the ERCP image (3/6, 50%).
CONCLUSIONS: Intraductal tubulopapillary neoplasms are rare tumors showing characteristic imaging findings such as the 2-tone duct sign and the cork-of-wine-bottle sign that represent their intraductal growth.
Предметные рубрики MeSH
AgedCholangiopancreatography, Endoscopic RetrogradeCholangiopancreatography, Magnetic ResonanceContrast MediaFemaleHumansImage Processing, Computer-AssistedMagnetic Resonance ImagingMaleMiddle AgedObserver VariationPancreasPancreatic DuctsPancreatic NeoplasmsRadiographic Image EnhancementRetrospective StudiesTomography, X-Ray ComputedUltrasonography