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Keishi Kohyama, Hisakazu Kato, Masashi Kuroki, Hiroshi Okuda, Hirofumi Shibata, Toshimitsu Ohashi, Takenori Ogawa. Posterior ischemic optic neuropathy following postoperative bleeding and internal jugular vein compression. Nagoya journal of medical science. 2022. 84. 4. 877-883
Keishi Kohyama, Takuma Ishihara, Yoshiki Tsuboi, Yoko Morishima. Intermediate Outcomes of Orbital Wall Reconstruction Using Different Alloplastic Materials: Which Is Ideal?. Plastic and reconstructive surgery. 2022
Masashi Kuroki, Hirofumi Shibata, Bunya Kuze, Toshimitsu Ohashi, Keishi Kohyama, Hisakazu Kato, Hiroki Kato, Tatsuhiko Miyazaki, Hiroyuki Tomita, Takenori Ogawa. Genetic Panel Test of Double Cancer of Signet-Ring Cell/Histiocytoid Carcinoma of the Eyelid and Papillary Thyroid Carcinoma: Case Report and Literature Review. Cureus. 2022. 14. 5. e25192
Mai Kitazawa, Manabu Futamura, Yoshihisa Tokumaru, Keishi Kohyama, Akira Nakakami, Kazuhiro Yoshida. Breast reconstruction using a tissue expander after enucleation of a giant fibroadenoma: A case report. International journal of surgery case reports. 2022. 90. 106723-106723