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Tokai Journal of Experimental and Clinical Medicine

Toshihiko Hayashi, Tamaki Ichikawa, Hiroshi Yamamuro, Shun Ono, Makiko Kobayashi, Takakiyo Nomura, Kazunobu Hashida, Hideki Yashiro, Tomohisa Okochi, Jun Koizumi, Shinichiro Shimura, Terumitsu Hasebe, Yutaka Imai
OBJECTIVE: We evaluated radiological findings and clinical significance of right aortic arch with mirror-image branching (RAMI) in adults using data from computed tomography (CT) examinations. MATERIAL AND METHODS: We reviewed recorded reports and CT images obtained from university and branch hospitals for RAMI in adults. The RAMI incidence in adults found on CT was assessed. Associated congenital and acquired cardiovascular diseases were evaluated. RESULTS: A total of 27 cases (14 men, 13 women; mean age, 59...
April 20, 2018: Tokai Journal of Experimental and Clinical Medicine
Ashok Kumar Ahirwar, Anju Jain, Archana Singh, Shilpa Bhardwaj, Binita Goswami, M K Bhatnagar, Jayashree Bhattacharjee
OBJECTIVE: To study the endothelial dysfunction by measuring Nitric Oxide and Endothelin-1, and inter-genotypic variation of inducible Nitric Oxide Synthase gene (C150T) polymorphism among the study subjects. METHODS: 50 diagnosed cases of metabolic syndrome as per International Diabetes Federation (IDF) criteria and 50 healthy volunteers as control were enrolled. Nitric Oxide, Endothelin were measured and PCR-RFLP was done to identify the iNOS gene C150T polymorphism and its effect on serum nitric oxide levels...
April 20, 2018: Tokai Journal of Experimental and Clinical Medicine
Mari Horikawa, Masao Toyoda, Nobumichi Saito, Moritsugu Kimura, Takako Kobayashi, Atsushi Takagi, Masafumi Fukagawa
Antiretroviral drugs, especially protease inhibitors (PI), are known to induce disorders of lipid and glucose metabolism. However, there are only a few reports of these side effects in patients treated with integrase strand transfer inhibitors (INSTI). We encountered the case of a 46-year-old man who had been treated for type 2 diabetes with diet and exercise. He contracted immunodeficiency virus (HIV) infection two years earlier and received highly active antiretroviral therapy (HAART). Three months before the current admission, HAART was switched from a non-nucleic acid reverse transcriptase inhibitor (NNRTI) to an INSTI (raltegravir: 800 mg/day)...
April 20, 2018: Tokai Journal of Experimental and Clinical Medicine
Yoshimi Fujii, Jun Koizumi, Takuya Hara, Tatsuya Sekiguchi, Syun Ono, Tetsuya Mine, Tatehiro Kagawa, Shunji Hirose, Kota Tsuruya, Kazuya Anzai, Bertrand Janne d'Othee, Yutaka Imai
OBJECTIVE: We describe our initial clinical experience regarding the use of a 3D roadmap during balloon-occluded retrograde transvenous obliteration (BRTO) in three patients. METHODS: Between June 2016 and July 2016, three BRTO procedures were performed in three patients with gastric varices. Preprocedural intravenous dynamic CT was performed, and portal venous phase CT images were postprocessed to obtain volume rendering (VR) images. A 3D roadmap was developed by overlaying the VR images onto the real-time X-ray fluoroscopy images...
April 20, 2018: Tokai Journal of Experimental and Clinical Medicine
Naohiro Aruga, Hiroshi Kijima, Ryota Masuda, Hiroto Onozawa, Tadashi Yoshizawa, Makiko Tanaka, Sadaki Inokuchi, Masayuki Iwazaki
Epithelial-mesenchymal transition (EMT) is an important step leading to invasion and migration of various cancer cells, and are characterized by decreased E-cadherin as an epithelial marker, and increased vimentin as a mesenchymal marker. The present study focused on the clinicopathological significance of E-cadherin and vimentin expression in lung squamous cell carcinoma (SqCC). Immunohistochemically, E-cadherin expression patterns were classified into two types: preserved or reduced; and vimentin expression patterns were also divided into two types: positive or negative...
April 20, 2018: Tokai Journal of Experimental and Clinical Medicine
Masashi Miyaoka, Go Ogura, Rurika Hamanaka, Tomoki Nakagawa, Ryota Masuda, Masayuki Iwazaki, Naoya Nakamura
Pulmonary hamartoma (PH) is usually a solid mass of less than 4 cm in size that contains cartilage omponents. A 44-year-old Japanese woman received surgical resection of a well-demarcated cystic tumor in the right lung. Resected tissue contained a 13 × 10 × 8 cm-sized solid mass with a prominent unilocular cyst (8 × 6.5 × 5 cm). The tumor was composed of a dominant smooth muscle cell (SMC) component with entrapped glandular respiratory epithelium. There was little cartilaginous or fatty tissue. Immunohistochemically, SMC was positive for smooth muscle actin (SMA) and desmin, as well as CD34...
April 20, 2018: Tokai Journal of Experimental and Clinical Medicine
Toshio Ohshima, Satomi Asai, Miki Miyazawa, Yukari Yamamoto, Akifumi Hisada, Chie Kumazawa, Masayoshi Hashimoto, Katsuji Fukawa, Hideo Iwashita, Kazuo Umezawa, Sanetoshi Yamada, Yoshiro Yamamoto, Hayato Miyachi
OBJECTIVES: To control carbapenem-resistant Pseudomonas aeruginosa, we implemented a hospital-wide policy concerning the selective use of carbapenems based on the monitoring of P. aeruginosa isolates for susceptibility to five carbapenems using a customized dry plate method. In this study, we retrospectively investigated the outcome of our measures to control carbapenem-resistant P. aeruginosa. METHODS: To select effective carbapenems, 100 clinical isolates were collected, and the minimum inhibitory concentration (MIC) to 5 carbapenems (IPM/CS, MEPM, DRPM, BIPM and PAPM/BP) was monitored using a customized dry plate method from 2006 to 2013...
December 20, 2017: Tokai Journal of Experimental and Clinical Medicine
Atsushi Wada, Mitsutomo Kohno, Kana Oiwa, Ryo Hashimoto, Takahisa Koizumi, Yusuke Nakamura, Tomoki Nakagawa, Ryota Masuda, Kichizo Kaga, Masayuki Iwazaki
OBJECTIVES: Ischemia-reperfusion injury resulting in post-transplant lung dysfunction involves a complicated network of cytokines that has yet to be fully investigated. We analyzed temporal changes in cytokine levels in epithelial lining fluid (ELF) from the distal airways of a canine lung transplantation model. METHODS: Ischemic time was set to 18 hours to enhance lung injury in a left single-lung transplantation model. ELF was collected via bronchoscopic microsampling, a minimally-invasive technique allowing repeated sampling, hourly up to 5 hours after reperfusion started...
December 20, 2017: Tokai Journal of Experimental and Clinical Medicine
Hiroyuki Furuya
The first domestic outbreak of dengue fever in Japan since 1945 was reported in Tokyo in 2014. Meanwhile, daily mean summer temperatures are expected to continue to rise world-wide. Such conditions are expected to increase the risk of an arbovirus outbreak at the 2020 Tokyo Olympic Games. To address this possibility, the present study compared estimates of the risk of infection by dengue, chikungunya, and Zika viruses in urban areas. To compare the risk of infection by arboviruses transmitted by Ae. albopictus mosquitoes, the reproduction number for each of three arboviruses was estimated under the environmental conditions associated with the 2014 dengue outbreak in Tokyo, and additionally under conditions assuming a daily mean temperature elevation of 2° C...
December 20, 2017: Tokai Journal of Experimental and Clinical Medicine
Hideki Ozawa, Akiko Taoda, Takuma Shinoda, Hidetaka Yanagi, Masayuki Oki, Atsushi Takagi
The patient was a 32-year-old man with a previous history of bronchial asthma. He was admitted with chief complaints of dyspnea and skin rash associated with itching of the palms and soles of the feet, which began 2 weeks earlier. Because of the presence of cardiac failure and increase in the peripheral blood eosinophil count, eosinophilic myocarditis (EM) was suspected. His blood pressure gradually decreased and the patient went into cardiogenic shock. Therefore, endomyocardial biopsy was performed and was immediately followed by corticosteroid therapy and intra-aortic balloon pump (IABP) placement...
December 20, 2017: Tokai Journal of Experimental and Clinical Medicine
Mayako Terao, Naoki Niikura, Yasuhiro Suzuki, Norihiko Sengoku, Hitoshi Arioka, Takashi Ishikawa, Koichiro Tsugawa, Yutaka Tokuda
OBJECTIVE: Many different options for adjuvant chemotherapy are recommended in guidelines for the treatment of breast cancer. Therapeutic strategies vary among physicians. The major goals for this project were to gain a better understanding of how biomarkers are integrated into practice and how physicians select adjuvant chemotherapy. METHODS: We assembled a questionnaire with 23 example scenarios of breast cancer cases, including 6 items relevant to postoperative adjuvant therapy...
December 20, 2017: Tokai Journal of Experimental and Clinical Medicine
Hideki Ozawa, Kousuke Kuwano, Saki Manabe, Toru Ishihara, Masamichi Komatsu, Takako Kobayashi, Hidetaka Yanagi, Masayuki Oki, Atsushi Takagi
The patient was a previously healthy 23-year-old woman who made an outpatient visit to our hospital's Department of General Internal Medicine after developing pain and edema of the lower legs a week earlier. The patient was diagnosed with eosinophilic cellulitis (EC) based on an increased eosinophil count of 5,418/mm3 and the results of a skin biopsy of the lower leg that showed eosinophilic infiltration of the dermal tissue. Her condition improved after oral prednisone therapy. EC presents clinically as edema and eosinophilia...
December 20, 2017: Tokai Journal of Experimental and Clinical Medicine
Takashi Kasahara, Saori Ikeda, Ayaka Sugimoto, Shinji Sugawara, Yuji Koyama, Minoru Toyokura, Yoshihisa Masakado
BACKGROUND: Mirror feedback rehabilitation is effective in preventing the development of oro-ocular synkinesis following severe facial palsy. However, we do not have effective maneuvers to prevent the deterioration of oculo-oral synkinesis. We developed a new method of biofeedback rehabilitation using tape for the prevention of oculo-oral synkinesis. OBJECTIVE: The aim of the present study was to investigate the efficacy of taping feedback rehabilitation. METHODS: Twelve consecutive patients with peripheral facial nerve palsy who developed synkinesis were divided into 2 groups...
September 20, 2017: Tokai Journal of Experimental and Clinical Medicine
Yasuhiro Suzuki, Kozue Yokoyama, Mayako Terao, Toru Morioka, Banri Tsuda, Naoki Niikura, Takuho Okamura, Eri Yamada, Kotaro Imagawa, Tadashi Akamatsu, Yutaka Tokuda, Nobue Kumaki
Pyoderma gangrenosum is an intractable disease of unknown cause involving recurrent ulcerative lesions on the skin, and may accompany ulcerative colitis, rheumatoid arthritis, leukemia, systemic lupus erythematosus, and other conditions. Here, we report a rare case of pyoderma gangrenosum in the thoracic abdomen following post-mastectomy reconstructive surgery. A 39-year-old presented at the hospital with a complaint of left papilla erosion. Skin biopsy at the site revealed invasive skin cancer, with Paget-like progression in the cancerous nipple and suspected malignancy of skin appendages...
September 20, 2017: Tokai Journal of Experimental and Clinical Medicine
Masamichi Komatsu, Toru Ishihara, Saki Manabe, Kosuke Kuwano, Masayuki Oki, Hidetaka Yanagi, Hideki Ozawa, Atsushi Takagi
Severe infection in patients who have lost splenic function is called overwhelming postsplenectomy infection (OPSI). Untimely treatment of patients with OPSI results in critical conditions with mortality rates as high as 50 %-70 %. For patients who undergo a splenectomy, vaccination is recommended for the prevention of OPSI. However, in Japan, the vaccination utilization rates are low. Herein, we report a case of OPSI caused by Streptococcus pneumoniae with a fulminant purpura resulting in multi-organ failure, which could be reversed by intensive care...
September 20, 2017: Tokai Journal of Experimental and Clinical Medicine
Tohru Sawamoto, Hiromichi Aoki, Hiroyuki Otsuka, Seiji Morita, Shigeaki Inoue, Yoshihide Nakagawa, Sadaki Inokuchi
An 86-year-old woman was transported by ambulance after jumping from the second floor of a building. Upon arrival, the blood pressure was stable; however, computed tomography indicated the presence of an anterior mediastinal hematoma. Eight hours after arrival, the patient exhibited shock. The blood pressure increased with rapid infusion. Emergency angiography was performed. Extravasation from the musculophrenic artery, which branches off from the left internal mammary artery, was observed. Transcatheter arterial embolization was performed and bleeding was controlled...
September 20, 2017: Tokai Journal of Experimental and Clinical Medicine
Shingo Tsuda, Masashi Matsushima, Takayoshi Suzuki, Aya Kawanishi, Joaquim Carreras, Jun Nakamura, Yoko Tsukune, Tetsufumi Uchida, Jun Koike, Muneki Igarashi, Tetsuya Mine, Yutaka Imai
Leiomyoma is one of the most commonly observed esophageal submucosal tumors, often appearing as a smooth-surfaced and semicircular protruded lesion. It sometimes grows toward the esophageal lumen and may be pedunculated in rare cases. We encountered a case of a pedunculated esophageal submucosal tumor diagnosed before treatment as a leiomyoma originating in the muscularis mucosae of a 68-year-old man. As the tumor arose in the muscularis mucosae, it could be safely resected via an endoscopic procedure. Only one case of pedunculated leiomyoma has been reported to date, and we herein report the second case, which was successfully treated by a minimally invasive endoscopic technique...
September 20, 2017: Tokai Journal of Experimental and Clinical Medicine
Toshiro Seki, Atsushi Yasuda, Masayuki Oki, Natsumi Kitajima, Atsushi Takagi, Nobuyuki Nakajima, Akira Miyajima, Masafumi Fukagawa
Currently, nivolumab (an anti-programmed cell death-1 receptor monoclonal antibody) is available for many types of advanced cancers in Japan. However, there have been few detailed case reports about endocrine-related adverse events of this therapy. Here, we report a patient with metastatic renal cell carcinoma who presented with secondary adrenal insufficiency following nivolumab therapy. Endocrinological assessment by rapid adrenocorticotropic hormone (ACTH) and corticotropin-releasing hormone (CRH) tests revealed that the patient's disorder was a secondary adrenal insufficiency due to pituitary dysfunction...
September 20, 2017: Tokai Journal of Experimental and Clinical Medicine
Hajime Kayano, Eiji Nomura, Toru Kuramoto, Kentaro Yatabe, Hisamichi Yoshii, Daiki Yokoyama, Takashi Machida, Shuji Uda, Takuya Koike, Hideki Izumi, Sayuri Hasegawa, Masaya Mukai, Hiroyasu Makuuchi
We present two cases of intestinal obstruction due to intersigmoid hernia that were diagnosed and treated laparoscopically. The first case was a 42-year-old woman with no surgical history. She was treated conservatively with the insertion of an ileus tube. Although the intestinal obstruction improved temporarily, since it subsequently worsened, laparoscopic surgery was performed, which revealed incarceration of the ileum in the intersigmoid fossa. Although there were no signs of necrosis after intestinal release, partial resection of the small bowel was performed before the hernial orifice was closed due to the evidence of serous damage...
July 20, 2017: Tokai Journal of Experimental and Clinical Medicine
Nobue Kumaki, Chizuko Okamatsu, Yutaka Tokuda, Naoya Nakamura
Two breast cancer patients with a history of treatment for long-term rheumatoid arthritis (RA) had histological findings similar to histological changes seen in resected mammary gland specimens following neoadjuvant chemotherapy (NAC). The first patient was a 64-year-old woman who visited our hospital after feeling a lump in her left breast. The second patient was a 68-year-old woman who visited our hospital for an indentation in her left nipple. They were diagnosed with breast cancer following detailed examinations and underwent mastectomy...
July 20, 2017: Tokai Journal of Experimental and Clinical Medicine
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