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Malignant Melanoma of the Nipple: A Case Report
Yoshika Nagata,Manabu Yoshioka,Hidetaka Uramoto,Yosuke Tsurudome,Sohsuke Yamada,Takeshi Hanagiri,Fumihiro Tanaka 한국유방암학회 2018 Journal of breast cancer Vol.21 No.1
Malignant melanoma rarely originates from the female nipple. Tumors that develop on the skin of the breast are often subject to a delayed diagnosis. Cytologic examination provides excellent diagnostic capabilities and is a safe procedure with a lower risk of local implantation, compared to needle or incisional biopsy. We herein report a patient who underwent surgical resection of a primary malignant melanoma of the nipple. An elastic soft nodule was observed on the left nipple, and no abnormal lesions were identified in the breast. Eventually, a malignant melanoma was diagnosed from the clinical and cytological evaluation findings. This bulky tumor was classified as a stage IIIC nodular melanoma, with a thickness of 12 mm. The patient received adjuvant chemotherapy and exhibits no evidence of recurrence 7 years after surgery.
Baranwal Ajay Kumar,Masutani Hideaki,Sugita Hidetaka,Kanda Hiroyuki,Kanaya Shusaku,Shibayama Naoyuki,Sanehira Yoshitaka,Ikegami Masashi,Numata Youhei,Yamada Kouji,Miyasaka Tsutomu,Umeyama Tomokazu,Ima 나노기술연구협의회 2017 Nano Convergence Vol.4 No.26
Research of CH3NH3PbI3 perovskite solar cells had significant attention as the candidate of new future energy. Due to the toxicity, however, lead (Pb) free photon harvesting layer should be discovered to replace the present CH3NH3PbI3 perovskite. In place of lead, we have tried antimony (Sb) and bismuth (Bi) with organic and metal monovalent cations (CH3NH3 +, Ag+ and Cu+). Therefore, in this work, lead-free photo-absorber layers of (CH3NH3)3Bi2I9, (CH3NH3)3Sb2I9, (CH3NH3)3SbBiI9, Ag3BiI6, Ag3BiI3(SCN)3 and Cu3BiI6 were processed by solution deposition way to be solar cells. About the structure of solar cells, we have compared the normal (n-i-p: TiO2-perovskite-spiro OMeTAD) and inverted (p-i-n: NiO-perovskite-PCBM) structures. The normal (n-i-p)-structured solar cells performed better conversion efficiencies, basically. But, these environmental friendly photon absorber layers showed the uneven surface morphology with a particular grow pattern depend on the substrate (TiO2 or NiO). We have considered that the unevenness of surface morphology can deteriorate the photovoltaic performance and can hinder future prospect of these lead-free photon harvesting layers. However, we found new interesting finding about the progress of devices by the interface of NiO/Sb3+ and TiO2/Cu3BiI6, which should be addressed in the future study.
Fuminori Ito,Yuriko Nishiyama,Shuhong Duan,Hidetaka Yamada 한국고분자학회 2020 Macromolecular Research Vol.28 No.4
In the present study, the selection and combination of the water-absorbing agent to blend with polyvinyl alcohol (PVA) for the preparation of a high-performance CO2-separation membrane were examined by evaluating the separation performance of the resulting membrane. The separation performance of a two-layer membrane prepared by stacking and a single-layer membrane prepared by blending were also compared, where the latter was found to be superior. The selection of a water-absorbing agent with higher water absorption and compatibility with PVA is important in the preparation of a high-performance separation membrane by blending. The highperformance CO2-separation membrane was prepared by blending PVA with two types of water-absorbing agents. In addition, the variation in the composition ratio of two water-absorbing agents further improved the CO2-separation performance. Accordingly, the highperformance CO2-separation membrane was successfully prepared by combining PVA with two water-absorbing agents.
Japan Society of Gynecologic Oncology 2018 guidelines for treatment of uterine body neoplasms
Wataru Yamagami,Mikio Mikami,Satoru Nagase,Tsutomu Tabata,Yoichi Kobayashi,Masanori Kaneuchi,Hiroaki Kobayashi,Hidekazu Yamada,Kiyoshi Hasegawa,Hiroyuki Fujiwara,Hidetaka Katabuchi,Daisuke Aoki 대한부인종양학회 2020 Journal of Gynecologic Oncology Vol.31 No.1
The Fourth Edition of the Guidelines for Treatment of Uterine Body Neoplasm was published in 2018. These guidelines include 9 chapters: 1. Overview of the guidelines, 2. Initial treatment for endometrial cancer, 3. Postoperative adjuvant therapy for endometrial cancer, 4. Post-treatment surveillance for endometrial cancer, 5. Treatment for advanced or recurrent endometrial cancer, 6. Fertility-sparing therapy, 7. Treatment of uterine carcinosarcoma and uterine sarcoma, 8. Treatment of trophoblastic disease, 9. Document collection; and nine algorithms: 1-3. Initial treatment of endometrial cancer, 4. Postoperative adjuvant treatment for endometrial cancer, 5. Treatment of recurrent endometrial cancer, 6. Fertility-sparing therapy, 7. Treatment for uterine carcinosarcoma, 8. Treatment for uterine sarcoma, 9. Treatment for choriocarcinoma. Each chapter includes overviews and clinical questions, and recommendations, objectives, explanation, and references are provided for each clinical question. This revision has no major changes compared to the 3rd edition, but does have some differences: 1) an explanation of the recommendation decision process and conflict of interest considerations have been added in the overview, 2) nurses, pharmacists and patients participated in creation of the guidelines, in addition to physicians, 3) the approach to evidence collection is listed at the end of the guidelines, and 4) for clinical questions that lack evidence or clinical validation, the opinion of the Guidelines Committee is given as a “Recommendations for tomorrow”.