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Suematsu K, Nishikawa M, Fukada S, Kinjyo T, Koyama T, Yamashita N. The Effect of Water on Tritium Release Behavior from Solid Breeder Candidates. Fusion Science and Technology 2017. [DOI: 10.13182/fst08-a1878] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- K. Suematsu
- Graduate School of Engineering Science, Kyushu University, Fukuoka, 812-8581, Japan e-mail:
| | - M. Nishikawa
- Graduate School of Engineering Science, Kyushu University, Fukuoka, 812-8581, Japan e-mail:
| | - S. Fukada
- Graduate School of Engineering Science, Kyushu University, Fukuoka, 812-8581, Japan e-mail:
| | - T. Kinjyo
- Graduate School of Engineering Science, Kyushu University, Fukuoka, 812-8581, Japan e-mail:
| | - T. Koyama
- Graduate School of Engineering Science, Kyushu University, Fukuoka, 812-8581, Japan e-mail:
| | - N. Yamashita
- Graduate School of Engineering Science, Kyushu University, Fukuoka, 812-8581, Japan e-mail:
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Kinjyo T, Nishikawa M, Yamashita N, Koyama T, Suematsu K, Fukada S, Enoeda M. Characteristics of Tritium Release Behavior from Solid Breeder Materials. Fusion Science and Technology 2017. [DOI: 10.13182/fst08-a1877] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- T. Kinjyo
- Graduate School of Engineering Science, Kyushu University, Fukuoka 812-8581, Japan
| | - M. Nishikawa
- Graduate School of Engineering Science, Kyushu University, Fukuoka 812-8581, Japan
| | - N. Yamashita
- Graduate School of Engineering Science, Kyushu University, Fukuoka 812-8581, Japan
| | - T. Koyama
- Graduate School of Engineering Science, Kyushu University, Fukuoka 812-8581, Japan
| | - K. Suematsu
- Graduate School of Engineering Science, Kyushu University, Fukuoka 812-8581, Japan
| | - S. Fukada
- Graduate School of Engineering Science, Kyushu University, Fukuoka 812-8581, Japan
| | - M. Enoeda
- Naka Establishment, Japan Atomic Energy Agency, Ibaraki 319-1195, Japan
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Harakuni T, Hyodo A, Shingaki T, Kugai M, Kinjyo T, Kinjyo T, Tsuchida H, Sugimoto K, Yoshii Y, Matsumaru Y. Stenting for atherosclerotic stenosis of the intracranial or skull base cerebral arteries. Effectiveness and problems. Interv Neuroradiol 2008; 10 Suppl 1:97-100. [PMID: 20587281 DOI: 10.1177/15910199040100s115] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2004] [Accepted: 01/20/2004] [Indexed: 11/15/2022] Open
Abstract
SUMMARY Since May 1992, we have performed percutaneous transluminal angioplasty (PTA) or stenting 70 times for 65 lesions in 62 patients with atherosclerotic stenosis of the intracranial or skull base cerebral arteries. Stenting was carried out nine times for nine lesions in nine cases. Stenting was performed on patients with an average age of 62. The patients were eight men and one woman. The stenotic lesions involved the internal carotid artery (petrous portion) in four cases, the internal carotid artery (cavernous portion) in two cases, the internal carotid artery (supraclinoid portion) in one case, the middle cerebral artery (M1) in one case, and the vertebral artery (V4) in one case. The degree of stenosis ranged from 70% to 99%, with a mean of 80%. A stent for coronary arteries was used in all cases. After PTA was carried out in four cases, their initial extension was inadequate, and dissection was performed in five cases after PTA. As for the results of the treatment, subarachnoid haemorrhage occurred in one case due to perforation by the guidewire, and a major deficit was accepted. During the operation, asymptomatic cerebral infarction by distal embolism occurred in one case. Although obstruction of the lesion occurred three months after treatment in one case, symptoms did not appear. Stents used for atherosclerotic stenosis of the intracranial or skull base cerebral arteries still do not have sufficient performance. Although the stenting had problems, such as a prolonged patent, in the present condition, it was effective in terms of recovery from complications due to PTA.
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Affiliation(s)
- T Harakuni
- Department of Neurosurgery, University of the Ryukyus, Okinawa; Japan
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Kinjyo T, Nishikawa M, Enoeda M, Fukada S. Tritium diffusivity in crystal grain of Li2TiO3 and tritium release behavior under several purge gas conditions. Fusion Engineering and Design 2008. [DOI: 10.1016/j.fusengdes.2007.11.011] [Citation(s) in RCA: 69] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Kinjyo T, Nishikawa M, Yamashita N, Koyama T, Tanifuji T, Enoeda M. Chemical form of released tritium from solid breeder materials under the various purge gas conditions. Fusion Engineering and Design 2007. [DOI: 10.1016/j.fusengdes.2007.07.002] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Oshiro Y, Murayama S, Sunagawa U, Nakamoto A, Owan I, Kuba M, Uehara T, Miyahira T, Kawabata T, Kuniyoshi M, Ishikawa K, Kinjyo T, Fujimoto K, Yamada K. Pulmonary Dirofilariasis. J Comput Assist Tomogr 2004; 28:796-800. [PMID: 15538153 DOI: 10.1097/00004728-200411000-00011] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVE The purpose of this study was to describe the computed tomography (CT) and pathologic features of 5 nodules of pulmonary dirofilariasis in 4 patients. METHODS Four patients with 5 nodules of pathologically confirmed pulmonary dirofilariasis who under went CT were enrolled, and the imaging interpretations were retrospectively compared with the histopathologic characteristics. RESULTS Three of the 4 patients had a solitary nodule, and the remaining patient had 2 nodules. All the nodules were distributed in the right lower lobe and were attached to the pleura. They were all round or oval in shape and ranged in size from 11 to 22 mm in largest diameter (mean=17 mm). On thinner section CT, the nodules had a well-defined smooth margin with or without a shallow notch; they were connected to the arterial branch and, occasionally, to the venous branch. On contrast-enhanced CT, all the nodules contained a homogeneous low-attenuation area, which corresponded to areas of coagulative necrosis on histopathologic examination. CONCLUSION Although the CT findings of a pulmonary dirofilariasis nodule are nonspecific, awareness of the findings on contrast-enhanced CT and the pathologic appearance of this rare benign condition may facilitate its differentiation from a malignant nodule.
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Affiliation(s)
- Yasuji Oshiro
- Department of Radiology, Okinawa National Hospital, National Hospital Organization, Okinawa, Japan
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Harakuni T, Hyodo A, Shingaki T, Kugai M, Kinjyo T, Kinjyo T, Tsuchida H, Sugimoto K, Yoshii Y. Education and propagation of intravascular surgery in okinawa. Interv Neuroradiol 2004; 10 Suppl 1:113-6. [PMID: 20587285 DOI: 10.1177/15910199040100s119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2004] [Accepted: 01/20/2004] [Indexed: 11/15/2022] Open
Abstract
SUMMARY Okinawa is an island located on the southwest edge of the Japanese Islands in which about 1,300,000 people live, and is an area where selfconclusion type medical treatment is desired. In this area, intravascular surgery was only performed for several cases per year until 1998. From May 1999, intravascular surgery started being performed in earnest, and 140 or more cases of intravascular surgery per year were performed in 2002. In the meantime, various measures for the propagation and development of intravascular surgery that we undertook led to the increase in the number of cases. As a result, the choice of medical treatment has increased by propagating these medical treatments, and it seems that this has contributed to the welfare of the people of Okinawa.
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Affiliation(s)
- T Harakuni
- Department of Neurosurgery, University of the Ryukyus, Okinawa; Japan
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Harakuni T, Yoshii Y, Kinjyo T, Kushi S, Shingaki T, Yonaha H, Turushima H, Saito A, Hyodo A. [Schwannoma of the cervical spinal cord with cervical angina: a case report]. No Shinkei Geka 2001; 29:641-5. [PMID: 11517505] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/21/2023]
Abstract
A case of schwannoma of the cervical spinal cord presenting with cervical angina is reported. A 49-year-old man was admitted to our hospital with severe chest pain, cold sweats, and unconsciousness. Extensive cardiac examination showed no abnormal findings. Neurological deficits were muscular weakness and atrophy of the left arm, bilateral hypersthesia of the arms, and hyporeflexia of the left biceps. MRI revealed a tumor in the left side of the spinal canal between C4 and C5. The diagnosis was neurinoma of the left nerve root in C5. The tumor was completely removed surgically by laminectomy. Surgery confirmed that the tumor had originated from the left posterior root of C5 and that, histologically, it was schwannoma. The severe chest pain immediately disappeared after removal of the tumor with only dull post-operative chest pain remaining. We hypothesized that the severe chest pain was protopathic pain caused by compression of the anterior C5 root by the tumor and/or disturbance of the inhibitory pain mechanisms of the sympathetic nerve located in the posterior horn of the spinal cord. It must be kept in mind that cervical angina caused by spinal schwannoma is one of the differential diagnoses of chest pain.
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Affiliation(s)
- T Harakuni
- Department of Neurosurgery, Faculty of Medicine, University of the Ryukyus, 207 Uehara, Nishihara-machi, Okinawa 903-0125, Japan
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Abstract
Total eventration of the hemidiaphragm is a rare condition in adults. We report a 75-year-old woman with large eventration of the right diaphragm who required an emergency plication because of acute progressive respiratory distress. The symptom disappeared immediately after operation. Even in asymptomatic elderly patients with eventration, close follow-up is recommended.
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Affiliation(s)
- S Watanabe
- Second Department of Surgery, Kagoshima University Faculty of Medicine, Sakuragaoka, Japan
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Shimokawa S, Yamashita T, Kinjyo T, Watanabe S, Yamaoka A, Moriyama Y, Toyohira H, Taira A. [Temporary extracorporeal axillofemoral venous bypass--a beneficial device in operation for superior vena caval syndrome due to intrathoracic malignancies]. Nihon Kyobu Geka Gakkai Zasshi 1997; 45:1827-32. [PMID: 9430960] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Life-threatening complications can occur unexpectedly during general anesthesia in operations for superior vena caval (SVC) syndrome due to intrathoracic tumors. To prevent such sequelae, we have placed a temporary extracorporeal axillofemoral venous bypass graft with satisfactory results. In six patients (malignant mediastinal tumor, four; lung cancer, two), under local anesthesia before induction of general one, the cannulas, each appropriately sized in accordance with the diameter of the axillary and femoral veins, were directly introduced into the corresponding veins after systemic heparinization. The two cannulas were connected with a tube to which a side arm, which was usually clamped, was connected. The venous pressure of the internal jugular vein decreased immediately after establishment of the temporary bypass in all patients. The symptoms that accompanied SVC syndrome did not worsen and the life-threatening complications at the time of induction of general anesthesia were avoided with this procedure. In each case cardiopulmonary bypass on stand-by was unnecessary at this time. Venous bypass grafting with vascular prostheses were mainly performed under cardiopulmonary bypass, which was required for such operative procedures. In three patients the side arms were used for part of the venous drainage during cardiopulmonary bypass. The SVC syndrome instantly disappeared after operations in all patients including one in hospital death. No serious complications related to the temporary bypass procedure have been observed. This temporary bypass procedure has several advantages. It can be safely performed under local anesthesia with no special technique for the cannulation. Venous blood naturally drains from the upper part to the lower part of the body by pressure gradient, that warrants the safe induction of general anesthesia and ensuing operative procedures. The side arm is available for venous drainage during cardiopulmonary bypass. There are no serious complications related to the bypass procedure. Thus this temporary bypass is recommended as a life-saving and auxiliary device in urgent operations for acute progressive SVC syndrome with symptoms of cerebral edema and upper airway obstruction due to intrathoracic malignancies.
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Affiliation(s)
- S Shimokawa
- Second Department of Surgery, Kagoshima University Faculty of Medicine, Japan
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Shimokawa S, Yamashita T, Kinjyo T, Iwamura H, Watanabe S, Moriyama Y, Taira A. Extracorporeal venous bypass: a beneficial device in operation for superior vena caval syndrome. Ann Thorac Surg 1996; 62:1863-4. [PMID: 8957412 DOI: 10.1016/s0003-4975(96)00688-1] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Life-threatening complications can occur unexpectedly during general anesthesia in operations for acute progressive superior vena caval syndrome. We describe a temporary extracorporeal axillofemoral venous bypass procedure to reduce the high venous pressure in the upper part of the body before induction of general anesthesia. The bypass supports the operation for superior vena caval syndrome without life-threatening accidents. No serious complications related to the procedure have been observed.
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Affiliation(s)
- S Shimokawa
- Second Department of Surgery, Kagoshima University Faculty of Medicine, Japan
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Ogata S, Ikoma A, Komokata T, Nishida S, Nishimura A, Yamashita T, Kinjyo T, Matsumoto H, Tanaka K, Taira A. Effect of general light hypothermia of the donor before organ harvest: a study of multivisceral transplantation in pigs. Transplant Proc 1996; 28:2637-9. [PMID: 8907989] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Affiliation(s)
- S Ogata
- Second Department of Surgery, Kagoshima University, Faculty of Medicine, Japan
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Abstract
We present a case of traumatic injury of the colon by compressed air. Elevated levels of urinary myoglobin, creatinine phosphokinase, lactate dehydrogenase, and glutamic oxaloacetic transaminase indicating rhabdomyolysis were noted. In this type of injury, rhabdomyolysis related to acute peripheral circulatory failure may occur because of obstruction of venous return to the heart following a great increase in intraperitoneal pressure.
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Affiliation(s)
- T Kinjyo
- Satsumagun Medical Association Hospital, Kagoshima, Japan
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Nakamura Y, Sato T, Tanaka T, Kinjyo T, Tanimura A, Nagayama K, Yanai T, Masaike K, Sibao N. Transsynaptic degeneration in the inferior olivary nucleus associated with pontine glioblastoma. Acta Pathol Jpn 1985; 35:1495-500. [PMID: 4090981 DOI: 10.1111/j.1440-1827.1985.tb01446.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
A case of glioblastoma arising in the pons of a 14-year-old boy in whom transsynaptic degeneration was found in the inferior olivary nucleus is reported. The tumor occupied most of the pons including the tegmental tract and invaded into the midbrain, medulla oblongata, cerebellar peduncles, thalamus, basal ganglia, and meninges. The right inferior olivary nucleus was devoid of the tumorous lesion, but many neurons were severely vacuolated. An immunohistochemical study using glial fibrillary acidic protein (GFAP), neuron-specific enolase (NSE), and S-100 protein was performed. GFAP and S-100 protein were positive in the reactive glia of the nucleus and NSE gave a faint reaction in some degenerated neurons. These degenerative changes found in neurons of the inferior olivary nucleus were considered to be transsynaptic degeneration due to the destruction of the tegmental tract at the pons and of cerebellar peduncles by invasive pontine glioblastoma.
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Maruyama S, Sugiura M, Tomiyama H, Aizawa T, Ishido T, Kinjyo T, Kuwae M, Mimura G. [Detection of human circulating islet cell surface antibodies by dispersed rat pancreatic islet cells (III). Examination of clinical significance]. Rinsho Byori 1984; 32:291-8. [PMID: 6376874] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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Maruyama S, Yamamoto M, Aizawa T, Tomiyama H, Ishido T, Kinjyo T, Kuwae M, Mimura G. [Detection of human circulating islet cell surface antibodies by dispersed rat pancreatic islet cells. II. The standard to estimate the results of the indirect immunofluorescence assay]. Rinsho Byori 1983; 31:1111-6. [PMID: 6371327] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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Maruyama S, Yamamoto M, Aizawa T, Tomiyama H, Ishido T, Kinjyo T, Kuwae M, Mimura G. [Detection of the circulating antibody against human islet cell membrane using isolated rat islet cells (1). Separation of the antigenic cells and fractionation of serum IgG]. Rinsho Byori 1983; 31:1006-11. [PMID: 6363760] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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Akagi K, Horibe K, Takimoto H, Kinjyo T, Taguchi K. [Acute intracerebellar hematoma caused by arteriovenous malformation--a case report (author's transl)]. No Shinkei Geka 1977; 5:485-9. [PMID: 559962] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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