Zobrazeno 1 - 10
of 479
pro vyhledávání: '"Akiyoshi Osaka"'
Autor:
Minoru Inoue, Akiyoshi Osaka, Erika Ikezoe, Hiroki Tsujioka, Asumi Nirazuka, Kintaro Hasegawa, Toshiyuki Iwahata, Akinori Nakayama, Kiyoshi Setoguchi, Kazutaka Saito
Publikováno v:
IJU Case Reports, Vol 7, Iss 5, Pp 364-367 (2024)
Introduction Transverse testicular ectopia is a rare anomaly in which both testes descend toward the same side of the hemiscrotum. Case presentation A 35‐year‐old man presented with right inguinal enlargement. Computed tomography showed a normal
Externí odkaz:
https://doaj.org/article/820a8ebf9c8c414bb7287d04cc0f98db
Autor:
Hiroki Tsujioka, Keiichiro Uemura, Toshiyuki Iwahata, Yasuyuki Inoue, Minoru Inoue, Akiyoshi Osaka, Akinori Nakayama, Hiroshi Okada, Kazutaka Saito
Publikováno v:
IJU Case Reports, Vol 6, Iss 2, Pp 97-100 (2023)
Introduction Regressed germ cell tumors are a rare disease commonly diagnosed with metastatic symptoms without local symptoms in the testis. Case presentation A 33‐year‐old man with azoospermia was referred to our hospital. His right testis was s
Externí odkaz:
https://doaj.org/article/5a987561792b40d79873c1803cf4e05e
Autor:
Yanyan Sun, Guangxin Wang, Xuewen Chen, Wuhui Li, Shota Umemoto, Masahiko Tajika, Akiyoshi Osaka
Publikováno v:
Journal of Materials Research and Technology, Vol 22, Iss , Pp 3033-3049 (2023)
Calcite particles (Source; CaCO3, ∼0.4 μm in size) were 3D-printed into cube honeycombs (honeycombs) with ∼0.7 mm thick struts and ∼0.6 mm cellular window opening. The sintered honeycombs, regardless of the presence of a sintering aid in the p
Externí odkaz:
https://doaj.org/article/93cda7e329424e32bca3070e155b6ade
Autor:
Akiyoshi Osaka, Hiroshi Okada, Sae Onozuka, Takashi Tanaka, Toshiyuki Iwahata, Yukihito Shimomura, Yoshitomo Kobori, Kazutaka Saito, Kouhei Sugimoto
Publikováno v:
Asian Journal of Andrology, Vol 24, Iss 1, Pp 40-44 (2022)
Semen analysis has long been used to evaluate male fertility. Recently, several sperm function tests have been developed. Of those, the sperm DNA fragmentation index (DFI), which describes the status of the sperm DNA, is thought to be a suitable para
Externí odkaz:
https://doaj.org/article/1bab96038e3044a08c353ef640f05a1e
Autor:
Akiyoshi Osaka, Toshiyuki Iwahata, Yoshitomo Kobori, Yukihito Shimomura, Naoki Yoshikawa, Shin Onota, Atsushi Yamamoto, Hisamitsu Ide, Kouhei Sugimoto, Hiroshi Okada
Publikováno v:
Reproductive Medicine and Biology, Vol 19, Iss 4, Pp 372-377 (2020)
Abstract Purpose Cryptorchidism is one of the most common causes of non‐obstructive azoospermia (NOA) in adulthood. Even if early orchidopexy is performed to preserve fertility potential, some patients still suffer from azoospermia. Fertility poten
Externí odkaz:
https://doaj.org/article/1a497b7d2125480b8ebb7f8bfa91c11b
Preparation and Drug Release Profile of Chitosan–Siloxane Hybrid Capsules Coated with Hydroxyapatite
Publikováno v:
Pharmaceutics, Vol 14, Iss 5, p 1111 (2022)
Chitosan is a cationic polymer that forms polymerized membranes upon reaction with anionic polymers. Chitosan−carboxymethyl cellulose (CMC) capsules are drug delivery carrier candidates whose mechanical strength and permeability must be controlled
Externí odkaz:
https://doaj.org/article/d1bdda42c59b4cb6b0cbaef4b9f0c58d
Autor:
Akiyoshi Osaka, Hisamitsu Ide, Kentaro Matsuoka, Toshiyuki Iwahata, Yoshitomo Kobori, Shinichi Ban, Hiroshi Okada, Kazutaka Saito
Publikováno v:
American Journal of Men's Health, Vol 14 (2020)
The risk of a gonadal tumor is high in testicular disorder of sexual development (DSD) with the Y chromosome, but cases of DSD without the Y chromosome are extremely rare. We reported a gonadal tumor in a phenotypically male individual with 46, XX te
Externí odkaz:
https://doaj.org/article/b765d265cc924e21bc39aee33e8d099c
Autor:
Akinori Nakayama, Hisamitsu Ide, Akiyoshi Osaka, Yasuyuki Inoue, Yukihito Shimomura, Toshiyuki Iwahata, Yoshitomo Kobori, Kazutaka Saito, Shigehiro Soh, Hiroshi Okada
Publikováno v:
American Journal of Men's Health, Vol 14 (2020)
As testicular torsion is a medical emergency, it requires quick diagnosis and treatment. Color Doppler ultrasound (CDUS) is useful for the diagnosis of testicular torsion. An accurate diagnosis can be difficult when CDUS indicates the preservation of
Externí odkaz:
https://doaj.org/article/784482e2fc0a4e99acf17e9ec71a71f0
Autor:
Xuewen Chen, Bo Zhang, Yuqing Du, Mengxiang Liu, Rongren Bai, Yahui Si, Bingqi Liu, Dong-Won Jung, Akiyoshi Osaka
Publikováno v:
Materials, Vol 15, Iss 5, p 1748 (2022)
Titanium alloy is widely applied in aerospace, medical, shipping and other fields due to its high specific strength and low density. The purpose of this study was to analyze the formability of Ti6Al4V alloys at elevated temperatures. An accurate cons
Externí odkaz:
https://doaj.org/article/1c23559f889b4bc9aa4cbc5149f4d389
Autor:
Xuewen Chen, Tingting Lian, Bo Zhang, Yuqing Du, Kexue Du, Nan Xiang, Dong-Won Jung, Guangxin Wang, Akiyoshi Osaka
Publikováno v:
Materials, Vol 14, Iss 8, p 1965 (2021)
In order to avoid the stress shielding phenomenon in orthopedic bionic bone implantation, it is necessary to consider the design of mechanical compatible implants imitating the host bone. In this study, we developed a novel cancellous bone structure
Externí odkaz:
https://doaj.org/article/225652fc495e42a280170ee23ba5e3a3