T
Toshiaki Otsuki
Researcher at Shinshu University
Publications - 10
Citations - 37
Toshiaki Otsuki is an academic researcher from Shinshu University. The author has contributed to research in topics: Lesion & Adenocarcinoma. The author has an hindex of 3, co-authored 9 publications receiving 23 citations.
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A case of MUC5AC-positive intraductal neoplasm of the pancreas classified as an intraductal tubulopapillary neoplasm?
Takashi Muraki,Takeshi Uehara,Kenji Sano,Hiroyoshi Oota,Akihiko Yoshizawa,Shiho Asaka,Ayako Tateishi,Toshiaki Otsuki,Kunihiko Shingu,Hisanori Matoba,Shota Kobayashi,Shojiro Ichimata,Takayuki Watanabe,Tetsuya Itou,Eiji Tanaka +14 more
TL;DR: It was difficult to distinguish the present case as a pancreatobiliary-type (PB-type) intraductal papillary mucinous neoplasm (IPMN) or a phenotypic variant of ITPN, as it is possible that some cases of PB-type IPMN and ITPn overlap, the precise classification of these rare lesions may require re-evaluation.
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Complete response to combination therapy using nivolumab and ipilimumab for metastatic, sarcomatoid collecting duct carcinoma presenting with high expression of programmed death-ligand 1: a case report
TL;DR: A 70-year-old Japanese male who underwent radical right nephrectomy for a right renal mass identified on computed tomography was found to be urothelial carcinoma and collecting duct carcinoma with sarcomatoid changes, and programmed deathligand 1 was highly expressed with a tumor proportion score of more than 10% as mentioned in this paper .
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Sjögren syndrome-related plasma cell disorder and multifocal nodular AL amyloidosis: clinical picture and pathological findings.
Shu-ichi Ikeda,Akiyo Hineno,Tsuneaki Yoshinaga,Kiyoshi Matsuo,Tomoaki Suga,Takayuki Shiina,Toshiaki Otsuki,Yoshinobu Hoshii +7 more
TL;DR: Sjögren syndrome-related plasma cell disorder may be responsible for the formation of this unique multifocal nodular AL amyloidosis.
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Helicobacter pylori-negative Differentiated Adenocarcinoma of the Stomach.
Tadanobu Nagaya,Naoki Tanaka,Yugo Iwaya,Yoko Jimbo,Toshiharu Tatai,Tetsuya Ito,Ayako Seki,Kenichi Suzawa,Yasuhide Ochi,Etsuo Hara,Manabu Takata,Toshiaki Otsuki,Mai Iwaya,Noriko Hosaka,Norikazu Arakura,Eiji Tanaka,Osamu Hasebe +16 more
TL;DR: The immunohistochemical analysis showed that gastric mucin (MUC5AC) was strongly positive and intestinal mucin(MUC2) was weakly and partially positive, and the final diagnosis of Hp-negative well-differentiated early gastric cancer was made.
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ACTH‐producing thymic neuroendocrine tumor initially presenting as psychosis: A case report and literature review
Taiki Okumura,Shohei Takayama,Shin-ichi Nishio,Takahiro Miyakoshi,Takuro Noguchi,Takashi Kobayashi,Toshirou Fukushima,Nodoka Sekiguchi,Toshiaki Otsuki,Mitsuhisa Komatsu,Tomonobu Koizumi +10 more
TL;DR: A 32‐year‐old woman who was referred to the authors' hospital because of severe psychosis and was found to have an ectopic ACTH‐producing thymic neuroendocrine tumor with positive anti‐ACTH immunohistochemical staining is presented.