A case of mucinous cystic neoplasm of the pancreas misdiagnosed as a pancreatic pseudocyst at the initial exam and resected after a 2-year follow-up

Verfasser / Beitragende:
[Takuya Ishikawa, Jun-ichi Haruta, Takeo Yamaguchi, Masao Doisaki, Tsuyoki Yama, Kentarou Murate, Shun Hattori, Fumihiro Hayakawa, Kenta Yamada, Jun Yashika]
Ort, Verlag, Jahr:
2015
Enthalten in:
Journal of Medical Ultrasonics, 42/2(2015-04-01), 257-265
Format:
Artikel (online)
ID: 605539979
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024 7 0 |a 10.1007/s10396-014-0581-5  |2 doi 
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245 0 2 |a A case of mucinous cystic neoplasm of the pancreas misdiagnosed as a pancreatic pseudocyst at the initial exam and resected after a 2-year follow-up  |h [Elektronische Daten]  |c [Takuya Ishikawa, Jun-ichi Haruta, Takeo Yamaguchi, Masao Doisaki, Tsuyoki Yama, Kentarou Murate, Shun Hattori, Fumihiro Hayakawa, Kenta Yamada, Jun Yashika] 
520 3 |a A 44-year-old woman was referred to our hospital because of a cystic lesion in the pancreatic body that was found by computed tomography (CT) as a result of a screening for impaired liver function after the patient presented with a high fever in 2011. Trans-abdominal ultrasonography (US) revealed a 33-mm unilocular cyst within the pancreatic body and a 5-mm hypoechoic mass in the pancreatic neck. Contrast-enhanced CT showed a slight enhancement around the cyst and a mild dilation of the main pancreatic duct, but neither septum nor nodule was detected inside. Contrast-enhanced endoscopic ultrasonography (CE-EUS) revealed a hyperechoic elevated lesion inside the cystic lesion without enhancement in the pancreatic body; CE-EUS also revealed a 5-mm homogeneous hypoechoic mass with a remarkable enhancement in the pancreatic neck with the use of Sonazoid® as a contrast medium. These lesions were diagnosed as a pancreatic pseudocyst and a neuroendocrine tumor (NET), respectively, and were followed up with periodic examinations. The cystic lesion showed contraction 6months after the initial exam. However, US revealed an enlargement of the cystic lesion to 40mm in diameter 2years after the initial exam, and EUS showed irregular thickening of the wall with a cyst-in-cyst appearance. The diagnoses of a mucinous cystic neoplasm (MCN) and a concomitant small NET were made after a distal pancreatectomy. We herein report a rare case of MCN that showed various morphological changes over 2years of observation. 
540 |a The Japan Society of Ultrasonics in Medicine, 2014 
690 7 |a Mucinous cystic neoplasm  |2 nationallicence 
690 7 |a Pseudocyst  |2 nationallicence 
690 7 |a Pancreatic neuroendocrine tumor  |2 nationallicence 
700 1 |a Ishikawa  |D Takuya  |u Department of Gastroenterology, Japanese Red Cross Nagoya Daiichi Hospital, 3-35 Michishita-cho, Nakamura-ku, 453-8511, Nagoya, Japan  |4 aut 
700 1 |a Haruta  |D Jun-ichi  |u Department of Gastroenterology, Japanese Red Cross Nagoya Daiichi Hospital, 3-35 Michishita-cho, Nakamura-ku, 453-8511, Nagoya, Japan  |4 aut 
700 1 |a Yamaguchi  |D Takeo  |u Department of Gastroenterology, Japanese Red Cross Nagoya Daiichi Hospital, 3-35 Michishita-cho, Nakamura-ku, 453-8511, Nagoya, Japan  |4 aut 
700 1 |a Doisaki  |D Masao  |u Department of Gastroenterology, Japanese Red Cross Nagoya Daiichi Hospital, 3-35 Michishita-cho, Nakamura-ku, 453-8511, Nagoya, Japan  |4 aut 
700 1 |a Yama  |D Tsuyoki  |u Department of Gastroenterology, Japanese Red Cross Nagoya Daiichi Hospital, 3-35 Michishita-cho, Nakamura-ku, 453-8511, Nagoya, Japan  |4 aut 
700 1 |a Murate  |D Kentarou  |u Department of Gastroenterology, Japanese Red Cross Nagoya Daiichi Hospital, 3-35 Michishita-cho, Nakamura-ku, 453-8511, Nagoya, Japan  |4 aut 
700 1 |a Hattori  |D Shun  |u Department of Gastroenterology, Japanese Red Cross Nagoya Daiichi Hospital, 3-35 Michishita-cho, Nakamura-ku, 453-8511, Nagoya, Japan  |4 aut 
700 1 |a Hayakawa  |D Fumihiro  |u Department of Gastroenterology, Japanese Red Cross Nagoya Daiichi Hospital, 3-35 Michishita-cho, Nakamura-ku, 453-8511, Nagoya, Japan  |4 aut 
700 1 |a Yamada  |D Kenta  |u Department of Gastroenterology, Japanese Red Cross Nagoya Daiichi Hospital, 3-35 Michishita-cho, Nakamura-ku, 453-8511, Nagoya, Japan  |4 aut 
700 1 |a Yashika  |D Jun  |u Department of Gastroenterology, Japanese Red Cross Nagoya Daiichi Hospital, 3-35 Michishita-cho, Nakamura-ku, 453-8511, Nagoya, Japan  |4 aut 
773 0 |t Journal of Medical Ultrasonics  |d Springer Japan  |g 42/2(2015-04-01), 257-265  |x 1346-4523  |q 42:2<257  |1 2015  |2 42  |o 10396 
856 4 0 |u https://doi.org/10.1007/s10396-014-0581-5  |q text/html  |z Onlinezugriff via DOI 
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900 7 |a Metadata rights reserved  |b Springer special CC-BY-NC licence  |2 nationallicence 
908 |D 1  |a research-article  |2 jats 
949 |B NATIONALLICENCE  |F NATIONALLICENCE  |b NL-springer 
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950 |B NATIONALLICENCE  |P 700  |E 1-  |a Ishikawa  |D Takuya  |u Department of Gastroenterology, Japanese Red Cross Nagoya Daiichi Hospital, 3-35 Michishita-cho, Nakamura-ku, 453-8511, Nagoya, Japan  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Haruta  |D Jun-ichi  |u Department of Gastroenterology, Japanese Red Cross Nagoya Daiichi Hospital, 3-35 Michishita-cho, Nakamura-ku, 453-8511, Nagoya, Japan  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Yamaguchi  |D Takeo  |u Department of Gastroenterology, Japanese Red Cross Nagoya Daiichi Hospital, 3-35 Michishita-cho, Nakamura-ku, 453-8511, Nagoya, Japan  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Doisaki  |D Masao  |u Department of Gastroenterology, Japanese Red Cross Nagoya Daiichi Hospital, 3-35 Michishita-cho, Nakamura-ku, 453-8511, Nagoya, Japan  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Yama  |D Tsuyoki  |u Department of Gastroenterology, Japanese Red Cross Nagoya Daiichi Hospital, 3-35 Michishita-cho, Nakamura-ku, 453-8511, Nagoya, Japan  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Murate  |D Kentarou  |u Department of Gastroenterology, Japanese Red Cross Nagoya Daiichi Hospital, 3-35 Michishita-cho, Nakamura-ku, 453-8511, Nagoya, Japan  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Hattori  |D Shun  |u Department of Gastroenterology, Japanese Red Cross Nagoya Daiichi Hospital, 3-35 Michishita-cho, Nakamura-ku, 453-8511, Nagoya, Japan  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Hayakawa  |D Fumihiro  |u Department of Gastroenterology, Japanese Red Cross Nagoya Daiichi Hospital, 3-35 Michishita-cho, Nakamura-ku, 453-8511, Nagoya, Japan  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Yamada  |D Kenta  |u Department of Gastroenterology, Japanese Red Cross Nagoya Daiichi Hospital, 3-35 Michishita-cho, Nakamura-ku, 453-8511, Nagoya, Japan  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Yashika  |D Jun  |u Department of Gastroenterology, Japanese Red Cross Nagoya Daiichi Hospital, 3-35 Michishita-cho, Nakamura-ku, 453-8511, Nagoya, Japan  |4 aut 
950 |B NATIONALLICENCE  |P 773  |E 0-  |t Journal of Medical Ultrasonics  |d Springer Japan  |g 42/2(2015-04-01), 257-265  |x 1346-4523  |q 42:2<257  |1 2015  |2 42  |o 10396