Faculty Profiles - NAMBA Yuzaburo

Papers - NAMBA Yuzaburo

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The Novel Eryngii Method of Nipple Reduction for Female-to-Male Transsexuals.

Toru Sakurai, Toshiyuki Watanabe, Kensuke Manako, Syo Komagoe, Yuko Mukai, Yoshiro Kimata, Yuzaburo Namba

Acta medica Okayama 74 ( 1 ) 83 - 87 2020.2

Language：English

Mastectomy is usually the first and most important surgical procedure in female-to-male (FTM) individuals with gender identity disorder. Nipple reduction is also important in the process of reconstructing the chest wall for a more male appearance. If the nipples remain large after a mastectomy, the results may be disappointing to many FTM transsexuals. Nipple reduction enables these individuals to go to the beach or Japanese public baths, where they may go topless in public. We therefore consider that nipple reduction is indicated for all FTM transsexuals who desire it. There are a variety of methods for the reduction of enlarged nipples for women or non-FTM patients, but only a few reports have described the process used to create masculine-appearing nipples for FTM transsexuals. We developed a novel technique called the Eryngii method for creating male-like nipples using a 4-mm diameter dermal punch knife. The name of the method refers to the Eryngii king trumpet mushroom, which the nipple resembles after the surgical process. The main strength of this method is that it permits the creation of ideal nipples without difficulty. Here we introduce the technique and discuss our history of surgical methods for nipple reduction, including improvements and elaborations.

DOI： 10.18926/AMO/57958

PubMed

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岡山大学病院ジェンダーセンターにおける性同一性障害関連手術保険適用後の1年間の動向保険診療と自費診療の比較

櫻井透, 渡邊敏之, 渡邉聡美, 木股敬裕, 難波祐三郎

GID(性同一性障害)学会雑誌 12 ( 1 ) 141 - 145 2019.12

Language：Japanese Publisher：GID(性同一性障害)学会

性同一性障害に対する身体的治療に関しては保険収載されておらず自費診療のため大きな負担となっていたが、ついに2018年4月より性別適合手術に対する健康保険の適用が開始された。しかし、ホルモン療法が自費診療のため、混合診療の観点からホルモン治療済み患者は対象とならず、実際にはホルモン未治療の患者の乳房切除のみ保険適用で手術可能となっている。性別適合手術の保険適用が開始されたことによるこの1年の動向を乳房切除の費用面を中心に自費診療と保険診療で比較した。当院では乳房切除術においてクリニカルパスを導入しているため、手術手技および入院による術後管理には大きな変化はない。費用面では保険診療による施行が19例で総支払額の平均は190,860円、自費診療による施行が18例で総支払額の平均は631,685円であった。ホルモン治療はガイドラインに沿った治療であるにも関わらず、ホルモン投与の有無によって費用面で大きな差が生じており、混合診療問題の早期解決が望まれる。(著者抄録)

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岡山大学病院ジェンダーセンターにおける性同一性障害関連手術保険適用後１年間の動向 Reviewed

難波祐三郎

GID学会雑誌 12 141 - 145 2019.12

GID手術手技研究会の歩み Invited Reviewed

難波祐三郎

GID学会雑誌 12 54 - 54 2019.12

当院における大腿部悪性軟部腫瘍の穿通枝皮弁による再建症例の検討

真子健介, 渡邊敏之, 難波祐三郎, 木股敬裕

日本マイクロサージャリー学会学術集会プログラム・抄録集 46回 152 - 152 2019.11

Risk factors for postoperative hematoma after chest wall contouring for female-to-male transsexuals Reviewed

73 ( 5 ) 441 - 447 2019.10

Risk factors for postoperative hematoma after chest wall contouring for female-to-male transsexuals: A clinical study Reviewed

Toshiyuki Watanabe, Toru Sakurai, Yoshihito Kimata, Yuzaburo Namba

Acta Medica Okayama 73 ( 5 ) 441 - 447 2019.10

私とGID Invited Reviewed

難波祐三郎

形成外科 62 ( 8 ) 825 - 825 2019.8

GID学会第２２回研究大会報告 Invited

難波祐三郎

岡山医学会雑誌 131 ( 2 ) 109 - 110 2019.8

私とGID Invited Reviewed

難波祐三郎

形成外科 62 ( 8 ) 2019.8

形成外科の治療指針 Invited Reviewed

難波祐三郎

形成外科 62 146 - 146 2019.6

Laparoscopic Rectosigmoid Colon Vaginoplasty in Male-to-Female Transsexuals: Experience in Japan.

Yuko Mukai, Toru Sakurai, Toshiyuki Watanabe, Tomoko Sako, Morito Sugimoto, Yoshihiro Kimata, Yoshiko Mori, Takeshi Nagasaka, Yuzaburo Namba

Acta medica Okayama 73 ( 3 ) 205 - 211 2019.6

Language：English Publishing type：Research paper (scientific journal)

Intestinal vaginoplasty has several advantageous features, such as scarless surgery, low incidence of contraction of the reconstructed vagina, maintenance of vaginal depth, spontaneous mucus production, and a low rate of complications. Therefore, this technique is becoming popular in many countries. Following the global trend, the demand for intestinal vaginoplasty for transsexuals is also increasing in Japan. However, there are few reports on intestinal vaginoplasty in Japan. In this study, we examined the safety and effectiveness of rectosigmoid colon vaginoplasty in the Japanese population. We retrospectively surveyed 18 male-to-female transsexuals who underwent laparoscopic rectosigmoid colon vaginoplasty at the Okayama University Hospital Gender Center between October 2012 and December 2017. One patient had developed an anastomotic leak and 2 patients experienced vaginal prolapse, which needed revision surgery. Both adverse outcomes were comparable with those from previous studies. The anastomotic leak was managed adequately with conservative treatment. To avoid vaginal prolapse, it is important to decide the length of the rectosigmoid segment so that a pull on it does not cause it to become lax, while excessive stress on the feeder vessels is avoided. Based on our study, we concluded that rectosigmoid vaginoplasty was a reliable technique in the Japanese population.

DOI： 10.18926/AMO/56862

PubMed

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Laparoscopic rectosigmoid colon vaginoplasty in male-to-female transsexuals

73 ( 3 ) 205 - 211 2019.6

形成外科の治療指針 Update 2019 Invited Reviewed

難波祐三郎

形成外科 62 146 - 146 2019.6

Flap combination phalloplasty in Female-to-Male Transsexuals Reviewed

Yuzaburo Namba

J Sex Med 16 934 - 941 2019.6

医療者のためのLGBT/SOGIの基礎知識 Invited Reviewed

難波祐三郎

Modern Physician 39 ( 5 ) 452 - 455 2019.5

医療者のためのLGBT/SOGIの基礎知識 Invited Reviewed

難波祐三郎

Modern Physician 39 ( 5 ) 452 - 455 2019.5

Flap combination phalloplasty in female-to-male transsexuals Reviewed

難波祐三郎

Journal of sexual medicine 16 934 - 941 2019.2

Dermatomeを考慮した遷延性術後痛に対する外科的治療

真子健介, 渡邊敏之, 駒越翔, 難波祐三郎, 木股敬裕

日本マイクロサージャリー学会学術集会プログラム・抄録集 45回 209 - 209 2018.12

「SRSの現状と課題」 GIDに対する陰茎形成術式の選択

渡辺敏之, 櫻井透, 難波祐三郎, 木股敬裕

GID(性同一性障害)学会雑誌 11 ( 1 ) 323 - 324 2018.12

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