Gallbladder metastasis of renal cell carcinoma presenting as a hypervascular polypoid lesion: case report of two cases with immunohistochemical analysis

by Takuya Oba, Norihiro Sato, Toshihisa Tamura, Katsushi Fujimoto, Atsuji Matsuyama, Keiji Hirata
Published 2020-04-01

Primary retroperitoneal mucinous cystadenocarcinoma with transition from the mesothelium

by Ikko Tomisaki, Atsuji Matsuyama, Mao Jotatsu, Sohei Yamamura, Rei Onishi, Naohiro Fujimoto
Published 2020-07-01

Hyper‐progressive disease after immune checkpoint inhibitor in SMARCA4‐deficient small‐cell lung carcinoma

by Yosuke Chiba, Toshinori Kawanami, Kei Yamasaki, Keigo Uchimura, Atsuji Matsuyama, Kazuhiro Yatera
Published 2020-11-01

A unique case of a huge mixed squamous cell and glandular papilloma of non-endobronchial origin with a peripheral growth

by Kei Yabuki, Atsuji Matsuyama, Kosho Obara, Masaru Takenaka, Fumihiro Tanaka, Yukio Nakatani, Masanori Hisaoka
Published 2018-01-01

Endoscopic and clinicopathological characteristics of colorectal T/NK cell lymphoma

by Hideki Ishibashi, Satoshi Nimura, Fumihito Hirai, Naohiko Harada, Hiromi Iwasaki, Sigeto Kawauchi, Yumi Oshiro, Atsuji Matsuyama, Shotaro Nakamura, Yasushi Takamatsu, Hirotoshi Yonemasu, Taturo Shimokama, Morishige Takeshita
Published 2020-10-01