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A Case of Erythema Nodosum Associated with Subareolar Abscess

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Journal of Cosmetics, Dermatological Sciences and Applications 2012年第4期2卷 263-264页

作者： Satoko Minakawa Yasushi Matsuzaki Daiki Rokunoke eijiro akasaka Koji Nakajima Takayuki Aizu Takahide Kaneko Hajime Nakano Kazutoshi Takashima Daisuke Sawamura Departments of Dermatology Hirosaki University Graduate School of Medicine Departments of Dermatology Hirosaki University Graduate School of Medicine Hirosaki Japan Departments of Surgery Hiro- saki University Graduate School of Medicine Hirosaki Japan

While erythema nodosum is a nodular, erythematous eruption predominantly affecting the extensor aspects of the legs, breast abscesses are the result of relatively common bacterial infections, and only 2 studies have reported an association between erythema nodosum and breast abscesses. Here, we report the case of a patient with repeated erythema nodosum associated with subareolar abscesses. The patient was a 34-year-old woman with painful erythematous nodules on her right shin, accompanied by an indurated lesion on her right breast 4 days before the onset of the nodules. Therefore, the patient underwent circumareolar incision, and consequently the painful erythematous nodules disappeared. However, after 39 days, the patient developed another tender, painful lesion in her right breast and painful erythematous nodules on her right shin. After another circumareolar incision, the painful erythematous nodules disappeared again. Therefore, we suggested a significant association between erythema nodosum and breast abscess in this patient. The most common underlying causative organism in breast abscess is Staphylococcus aureus;however, erythema nodosum has rarely been proven to be associated with staphylococcal infections. Therefore, the relationship between S. aureus and erythema nodosum is rather controversial. However, the resistance to the usual treatment methods and prolonged clinical course in our case suggest that the pathogenesis of erythema nodosum associated with breast abscesses might be different from that of the common form of erythema nodosum.

关键词： Erythema Nodosum Subareolar Abscess Breast Staphylococcal Infections

Syngeneic implantation of mouse hepatic progenitor cell-derived three-dimensional liver tissue with dense collagen fibrils

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World Journal of Gastroenterology 2022年第14期28卷 1444-1454页

作者： Miho Tamai eijiro Adachi Masaya Kawase Yoh-ichi Tagawa School of Life Science and Technology Tokyo Institute of TechnologyYokohama-shi 226-8501Japan Faculty of Dental Medicine Hokkaido UniversitySapporo 060-8586Japan Department of Molecular Morphology Kitasato UniversityYokohama-shi 319-3526Japan Long-Term Care Health Facility Yasuragi Ibaraki Zip or Postal CodeJapan Nagahama Institute of Bio-Science and Technology Shiga 526-0829Japan

BACKGROUND Liver transplantation is a therapy for irreversible liver failure;however,at present,donor organs are in short *** transplantation therapy for liver failure is still at the developmental stage and is critically limited by a shortage of human primary *** To investigate the possibility that hepatic progenitor cells(HPCs)prepared from the portal branch-ligated hepatic lobe may be used in regenerative medicine,we attempted to enable the implantation of extracellular matrices containing organoids consisting of HPC-derived hepatocytes and non-parenchymal *** In vitro liver organoid tissue has been generated by accumulating collagen fibrils,fibroblasts,and HPCs on a mesh of polylactic acid fabric using a bioreactor;this was subsequently implanted into syngeneic wild-type *** The in vitro liver organoid tissues generated transplantable tissues in the condensed collagen fibril matrix and were obtained from the mouse through partial *** Liver organoid tissue was produced from expanded HPCs using an originally designed bioreactor *** tissue was comparable to liver lobules,and with fibroblasts embedded in the network collagen fibrils of this artificial tissue,it is useful for reconstructing the hepatic interstitial structure.

关键词： Liver Three-dimensional tissue culture Hepatic progenitor cells Angiogenesis Biomimetic extracellular matrix

Convergence of Liquid Metal Biotechnologies for Our Health

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Accounts of Materials Research 2021年第10期2卷 858-862页

作者： eijiro Miyako Graduate School of Advanced Science and Technology Japan Advanced Institute of Science and Technology(JAIST)NomiIshikawa 923-1292Japan

■INTRODUCTION:LIQUID METALS(LMS)FOR CONVERGENCE Owing to the increasing public demand associated with health concerns,such as heart diseases,diabetes,and cancers,improved precision medical devices and highly effective therapeutic biomaterials are being *** addition to their unique properties,providing multifunctionality to these devices and materials is often crucial for achieving better performance,which simultaneously realizes the constant monitoring of health conditions as well as targeted therapy in vitro and in vivo.

关键词： biomaterials Liquid simultaneous

Distribution of Initial Vegetation Recruitment on Bare Bar in Sand Bed River

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Journal of Water Resource and Protection 2018年第4期10卷 441-460页

作者： Yuexia Zhou Yuji Toda eijiro Kubo Graduate School of Engineering Nagoya University Nagoya Japan

Riparian vegetation is known to affect the flood flow and the riparian environment, and it is important for river engineers to know the vegetation dynamics in river. Despite a number of researches have been performed for vegetation dynamics, the mechanism of initial vegetation recruitment is still not clear. In this study, two field surveys by using Unmanned Aerial Vehicle (UAV) remote sensing, UAV aerial photographs analysis and a numerical simulation were conducted to detect the location of initial vegetation recruitment and explore its relationship with hydrology and river morphology. The initial vegetation recruitment was identified by comparing vegetation distributions before and after vegetation germination. Most of the initial vegetation recruitment locations were found either along dunes on sandbar or along the wet/dry rotational area of shore bank. Results of the aerial photographs analysis showed that the initial vegetation recruitment occurred at the downstream side of crest of dunes. As for the vegetation recruitment zone located along shore bank, the relative elevation of different recruitment zones is almost same, and the mean value of the relative elevation is around 0.33 m. With the comparison of the contour map of river morphology and the initial vegetation recruitment zone, the shape of initial vegetation recruitment zone is positively consistent with the shape of river morphology distribution. The results of numerical analysis show that the initial vegetation recruitment zone located along shore bank experienced intermediate flood pulse. The inundation frequencies during seed dispersal and germination period for the internal and external boundaries of vegetation recruitment zone are 23.87% and 6.2%, respectively.

关键词： Initial Vegetation Recruitment UAV Remote Sensing Downstream Side of Dune Relative Elevation Inundation Frequency

Refractory ulcerative colitis accompanied with cytomegalovirus colitis and multiple liver abscesses: A case report

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World Journal of Gastroenterology 2005年第33期11卷 5241-5244页

作者： Takuya Inoue Ichiro Hirata Yutaro Egashira Kumi Ishida Ken Kawakami eijiro Morita Naoko Murano Shingo Yasumoto Mitsuyuki Murano Ken Toshina Takashi Nishikawa Norihiro Hamamoto Ken Nakagawa Ken-Ichi Katsu The Second Department of Internal Medicine Osaka Medical College 2-7 DaigakuchoTakatsuki City Osaka 569-8686 Japan Department of Pathology Osaka Medical College Takatsuki City Osaka 569-8686 Japan The Second Department of Internal Medicine Osaka Medical College 2-7 Daigakucho Takatsuki City Osaka 569-8686 Japan

Various hepato-biliary complications are an increased incidence in patients with inflammatory bowel disease,and portal bacteremia is well documented in patients with ulcerative colitis (UC). However, few reports mention UC in association with liver abscesses. Recently, there are several reports describing cytomegalovirus (CMV) infection in association with disease exacerbation and steroid refractoriness in patients with UC. Here we present a case of refractory UC accompanied with multiple liver abscesses and CMV colitis. The patient, a 72-year-old male, with a five-year history of repeated admissions to our hospital for UC, presented with an exacerbation of his *** performed on admission suggested that his UC was exacerbated, then he was given prednisolone and mesalazine orally, and betamethasone ***, he had exacerbated symptoms. Repeat sigmoidoscopy revealed multiple longitudinal ulcers and pseudopolyps in the rectosigmoid colon. Although immunohistochemical staining of biopsy specimens and the serum testing for antigenemia were negative on admission and after the repeat sigmoidoscopy, they became histologically positive for CMV. Nonetheless, the patient developed spiking fevers, soon after ganciclovir was administered. Laboratory studies revealed an increased white cell count with left shift, and Enterococcus fecalis grew in blood cultures. An abdominal computed tomography (CT) scan was obtained and the diagnosis of liver abscesses associated with UC was made, based on CT results. The hepatic abscesses were successfully treated with intravenous meropenem for 6 wk, without further percutaneous drainage. To our knowledge, this is the first reported case of multiple liver abscesses that develop during UC exacerbation complicated by CMV colitis.

关键词： Uver abscess Ulcerative colitis Cytomegalovirusinfection Inflammatory bowel disease

Unusually Broadened Spectral Profiles Observed in Solar Prominences

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Chinese Journal of Astronomy and Astrophysics 2004年第4期4卷 377-389页

作者： HuiLi Jian-QiYou eijiroHiei PurpleMountainObservatory ChineseAcademyofSciencesNanjing210008 NationalAstronomicalObservatoryofJapan MitakaTokyo181-8588Japan

After surveying the spectra of 39 prominences observed by the Multi-channel Infrared Solar Spectrograph at Purple Mountain Observatory and the 25 cm coronagraph at the Norikura Solar Observatory, we found that about 28% of them show small spatial scale (6''–8'') and short time scale (tens of seconds to a few minutes), unusual large broadening and large shift velocities in spectral lines including Hα, Hβ, H, Ca II H, Ca II K, Ca II 8542?, He I D3 and He I 10830?. We present in detail two typical events observed respectively on 2002 May 27 and 1981 August 2. The full-width at half maximum of the widest profile of the 2001 prominence is 1.8? for Hα and 2.9 ? for He I 10830?, while that of the 1981 prominence is 5.3 ? for Hβ, 3.6 ? for Ca II K, 4.0 ? for Ca II H and 2.8 ? for He I D3. Such broadenings generally occur at a level of several-thousand kilometres above the chromosphere. Further, most of these prominences manifest a rotation of (0.4–1.35)×10-2 rads s?1 pointing to the Sun and large line-of-sight velocities of 20–200 km s?1. Some of these events correspond in time to an enhancement or a small peak in the GOES X-ray flux, indicating the existence of high energy process at work. These prominences generally display discernible changes in the Hα morphology around the time of large broadening, but do not show Hα brightening or overall eruption except for a few small surge-like events, hence, they are hardly observed in daily Hα patrols. According to the characteristics of their Hα structures and spectral properties, we infer these events are small-scale eruptions similar to nano-flares, which may contribute to the mass and energy transported into the corona. Large turbulent velocities of 25–120 km s?1 are responsible for the observed broadenings.

关键词： sun: prominences line: profiles turbulence

Recurrent Ectopic Pregnancy in the Remnant Fallopian Tube Following Ipsilateral Partial Salpingectomy

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Open Journal of Obstetrics and Gynecology 2015年第7期5卷 373-377页

作者： eijiro Hayata Takehiko Tsuchiya Toshimitsu Maemura Yukiko Katagiri Tomonori Hasegawa Mineto Morita Department of Obstetrics and Gynecology Toho University Omori Medical Center Tokyo Japan Department of Social Medicine Toho University School of Medicine Tokyo Japan

A 39-year-old female with a history of partial salpingectomy for tubal pregnancy was diagnosed as having recurrent ectopic pregnancy in the distal portion of the fallopian tube remnant, which was successfully treated by laparoscopic surgery. The patient was multigravida (9 pregnancies) and uniparous. She had undergone right partial salpingectomy by laparotpmy for right isthmic ectopic pregnancy at the age of 31 years. At 6 weeks of the current pregnancy, she was referred to our hospital for suspected ectopic pregnancy. The gestational sac was not observed in the uterus, and a mass was observed in the right adnexal region by transvaginal ultrasonography. Emergency laparoscopic surgery revealed the pregnancy site in the ampulla of the remnant portion of the right fallopian tube;therefore, this portion was resected. Because the proximal portion of the fallopian tube remnant was completely occluded, we concluded that this was a case of ectopic pregnancy resulting from the intraperitoneal migration of a fertilized ovum. With current developments in assisted reproductive technologies, reanastomosis of the fallopian tube is rarely performed. While partial salpingectomy is less likely to contribute to the preservation of fertility, it increases the risk of recurrent ectopic pregnancy. A single-stage total salpingectomy on the affected side should be the first choice of treatment when fallopian tube preservation surgery is not selected.

关键词： Ectopic Pregnancy Laparoscopy Fallopian Tube Remnant

Late-onset non-islet cell tumor hypoglycemia: A case report

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World Journal of Clinical Cases 2021年第1期9卷 163-169页

作者： Shunichi Matsumoto eijiro Yamada Yasuyo Nakajima Naoki Yamaguchi Takashi Okamura Toshiki Yajima Satoshi Yoshino Kazuhiko Horiguchi Emi Ishida Masashi Yoshikawa Jun Nagaoka Sho Sekiguchi Mai Sue Shuichi Okada Izumi Fukuda Ken Shirabe Masanobu Yamada Department of Medicine and Molecular Science Gunma University Graduate School of MedicineMaebashi 371-8511GunmaJapan Division of General Thoracic Surgery Integrative Center of General SurgeryGunma University HospitalMaebashi 371-8511GunmaJapan Department of Endocrinology Diabetes and MetabolismGraduate School of Medicine Nippon Medical SchoolTokyo 1138602Japan

BACKGROUND Hypoglycemia due to non-insulin-producing tumors is referred to as non-islet cell tumor hypoglycemia(NICTH).As NICTH is a rare lesion,the natural course of NICTH is not well *** report a case of NICTH that was observed 30 years before the onset of *** SUMMARY A 50-year-old man was diagnosed with an abnormal right chest shadow during a routine X-ray examination,but no further examination was undertaken because the lesion appeared *** years after the tumor discovery,the patient was admitted to the hospital with symptoms of severe hypoglycemia,which was diagnosed as NICTH based on a complete *** tumor was resected and found to be a solitary fibrous mass(15.6 cm×13.7 cm×10.4 cm);thereafter,the patient’s blood glucose levels normalized and he completely *** NICTH can have an acute onset,even if the tumor has been present and asymptomatic over a long time period.

关键词： Hypoglycemia Non-islet cell tumor hypoglycemia Blood glucose Solitary tumor Late onset Case report Insulin-like growth factor II

Relationship between Senior Drivers’ Cognitive and Physical Functions and Urban Driving Behaviors during Behind-the-Wheel Driving Education Sessions with Driving Instructors

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Journal of Transportation Technologies 2017年第2期7卷 148-166页

作者： Takashi Yonekawa Takahiro Tanaka Hirofumi Aoki Misako Yamagishi Yuki Yoshihara eijiro Takeuchi Issey Takahashi Yoshiki Ninomiya Hitoshi Kanamori Tatsuya Suzuki Makoto Inagami Institute of Innovation for Future Society Nagoya University Nagoya Japan

Recently, traffic accidents caused by elderly drivers have been increasing. It is thought that the reasons of accidents are functions such as decline of eyesight, cognition and physical strength caused by aging. In order to assist safe driving for elderly drivers, it is necessary to sufficiently understand any possible relationship of various senior drivers’ cognition, physical strength and driving behavior. In this paper relationship of elderly driver’s cognition, physical strength and driving behaviors were analyzed using the result of driving instructions on urban road by driving school instructors.

关键词： Human Engineering Elderly Person Driver Characteristics Driving Instruction