251
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Matsushima Y, Suzuki R, Ohno K, Masaoka H, Wakabayashi S, Maehara T. Angiographic revascularization of the brain after encephaloduroarteriosynangiosis. Neurosurgery 1987. [DOI: 10.1097/00006123-198712000-00027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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252
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Matsushima Y, Suzuki R, Ohno K, Masaoka H, Wakabayashi S, Maehara T. Angiographic revascularization of the brain after encephaloduroarteriosynangiosis: a case report. Neurosurgery 1987; 21:928-34. [PMID: 3325852 DOI: 10.1227/00006123-198712000-00027] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
Preoperative and postoperative angiograms of a 13-year-old Japanese girl with moyamoya disease are compared. She underwent an indirect extracranial/intracranial bypass operation called encephaloduroarteriosynangiosis (EDAS). Post-EDAS angiograms clearly show revascularization of the brain through the donor scalp artery and decrease in moyamoya vessels, leptomeningeal anastomoses, and preexisting spontaneous transdural anastomoses.
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253
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Kirklin JW, Blackstone EH, Maehara T, Pacifico AD, Kirklin JK, Pollock S, Stewart RW. Intermediate-term fate of cryopreserved allograft and xenograft valved conduits. Ann Thorac Surg 1987; 44:598-606. [PMID: 3689046 DOI: 10.1016/s0003-4975(10)62142-x] [Citation(s) in RCA: 71] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Actuarial freedom from reoperation for obstruction in 147 patients receiving cryopreserved or fresh allograft valved conduits between a ventricle and the pulmonary arteries was 94% at 3.5 years. The 2 patients undergoing reoperation were 6 and 36 months of age at the time of insertion of the allograft. Among 24 patients in whom cardiac catheterization was performed on indication late postoperatively, 5 had gradients of more than 40 mm Hg across the conduit. For comparison, among 78 patients receiving xenograft or irradiated allograft valved conduits, the percentages of freedom from conduit reoperation at 3.5, 5, 10, and 15 years were 99%, 95%, 59%, and 11%, respectively. The diameters of the allograft and xenograft valves inserted varied directly with the age and size of the patients, but in patients 3 to 5 years of age, allografts with a diameter of at least 21 mm could usually be used.
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254
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Tanohata K, Maehara T, Noda M, Katoh H. [Internal carotid-cerebellar artery anastomosis: so-called persistent trigeminal artery variant]. NIHON IGAKU HOSHASEN GAKKAI ZASSHI. NIPPON ACTA RADIOLOGICA 1987; 47:1119-26. [PMID: 3324055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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255
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Tanohata K, Maehara T, Aida N, Unimo S, Matsui K, Mochimatsu Y, Fujitsu K. Computed tomography of intracranial chondroma with emphasis on delayed contrast enhancement. J Comput Assist Tomogr 1987; 11:820-3. [PMID: 3655044 DOI: 10.1097/00004728-198709000-00015] [Citation(s) in RCA: 25] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Intracranial chondroma is an unusual cartilaginous tumor originating from the base of the skull. We report on two cases of intracranial chondroma that showed delayed contrast enhancement on CT after high-dose administration of contrast medium. This CT feature may be useful to differentiate chondromas from other tumors of the skull base such as meningiomas and neurinomas.
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256
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Kiso I, Maehara T, Shin H, Umezu Y, Yozu R, Hamano Y. [Management of median sternotomy infection following cardiac surgery by continuous closed irrigation with an antibiotic solution]. RINSHO KYOBU GEKA = JAPANESE ANNALS OF THORACIC SURGERY 1987; 7:343-6. [PMID: 9423045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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257
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Maehara T. [Experimental study of extravascular lung water after hypothermic low flow perfusion]. [ZASSHI] [JOURNAL]. NIHON KYOBU GEKA GAKKAI 1987; 35:955-66. [PMID: 3668334] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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258
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Okazaki A, Sugiyama S, Noda M, Tanohata K, Maehara T. [The role of radiation therapy in the treatment of small cell carcinoma of the lung--with a special reference to the optimal combination timing within chemotherapy and total radiation doses]. NIHON IGAKU HOSHASEN GAKKAI ZASSHI. NIPPON ACTA RADIOLOGICA 1987; 47:479-87. [PMID: 3039457] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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259
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Morizono Y, Sakou T, Maehara T. Congenital defect of posterior elements of the axis. Clin Orthop Relat Res 1987:120-3. [PMID: 2949904] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
A congenital defect of the posterior elements (spinous process and vertebral arch) of the axis was observed in a 20-year-old man. This anomaly was detected by coincidence during roentgenographic study of the cervical spine for the investigation of headaches and neck pain following trauma. The clinical symptoms were relieved by conservative therapy, and the patient returned to a normal life.
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260
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Ikawa T, Kitao Y, Eura M, Maehara T, Masuyama K, Kitao K, Ishikawa T. [Immunological studies on peripheral blood lymphocytes and lymphocytes infiltrated into the parotid gland with Sjögren's syndrome]. NIHON JIBIINKOKA GAKKAI KAIHO 1987; 90:168-76. [PMID: 2955088 DOI: 10.3950/jibiinkoka.90.168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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261
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Maehara T, Eura M, Ikawa T, Ishikawa T. Differences of sensitivity to autologous cytotoxic lymphocytes between primary tumor and its cervical lymph node metastases. Auris Nasus Larynx 1987; 14:187-98. [PMID: 3502523 DOI: 10.1016/s0385-8146(87)80020-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Antigenic differences between primary tumors and their cervical lymph node metastases of 12 patients with head and neck cancers were examined by measuring their sensitivity to cytotoxic lymphocytes (CL). Cytotoxicity was induced by autologous mixed lymphocyte (CL). Cytotoxicity was induced by autologous mixed lymphocyte tumor cell culture (MLTC), and further cultivation with recombinant interleukin-2 (rIL-2). The effector cells which were used in this study consisted of OKT3+8+ and OKT3+4+ subpopulations. Their cytotoxic nature was different from lymphokine activated killer cell (LAK cell) activity. Cytotoxicity of CLs stimulated by autologous primary tumor cells (CLP) was observed in 7 out of 12 patients (58.3%). In contrast, cytotoxicity of CLs stimulated by metastatic tumor cells (CLM) was observed in 4 out of 12 patients (33.3%). In the cases in which both CLP and CLM were successfully induced, cross-reactivity tests and cold target inhibition tests were performed. These results suggested that a reduction in immunogenicity had occurred at the metastatic site, and sensitivity against autologous CL was different between primary and metastatic tumor cells.
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262
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Tanohata K, Maehara T, Noda M, Katoh H, Sugiyama S, Okazaki A. Anomalous origin of the posterior meningeal artery from the lateral medullary segment of the posterior inferior cerebellar artery. Neuroradiology 1987; 29:89-92. [PMID: 3822110 DOI: 10.1007/bf00341048] [Citation(s) in RCA: 24] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
The authors present two cases of angiographically-confirmed anomalous origin of the posterior meningeal artery (PMA) from the lateral segment of the posterior inferior cerebellar artery (PICA) and describe briefly the probable embryogenesis of this anomaly.
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263
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Tanohata K, Maehara T, Noda M, Katoh H. Isolated cerebral varix of superficial cortical vein: CT demonstration. J Comput Assist Tomogr 1986; 10:1073-4. [PMID: 3782553 DOI: 10.1097/00004728-198611000-00042] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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264
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Tanohata K, Noda M, Katoh H, Okazaki A, Sugiyama S, Onishi S, Tanida T, Maehara T. Chondroblastoma of temporal bone. Neuroradiology 1986; 28:367-70. [PMID: 3762919 DOI: 10.1007/bf00333449] [Citation(s) in RCA: 24] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
The case of a 55-year-old female with chondroblastoma arising from the left temporal bone is presented. Although 10 cases of temporal chondroblastoma have been reported, this is the first in which plain radiography, pluridirectional tomography, computed tomography (CT) and angiography were performed. We discuss the clinical and radiological aspects of this rare tumor.
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265
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Kiso I, Maehara T, Higashi S, Ueda T, Suzuki I. [Segmental early diastolic relaxation phenomenon (SERP) following the aorto-coronary bypass procedure]. KYOBU GEKA. THE JAPANESE JOURNAL OF THORACIC SURGERY 1986; 39:535-8. [PMID: 3490594] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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266
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Sugita S, Shigemori M, Watanabe M, Kuramoto S, Eguchi G, Maehara T, Nishio N. A case of multiple cerebral aneurysms associated with fenestration of the basilar artery. Kurume Med J 1986; 33:139-41. [PMID: 3599871 DOI: 10.2739/kurumemedj.33.139] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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267
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Higashi S, Kiso I, Maehara T, Ueda T, Suzuki I, Hori S, Segawa K, Mukai M, Miyauchi J, Yamazaki K. [A case of hemangiomatosis associated with cardiac tamponade]. RINSHO KYOBU GEKA = JAPANESE ANNALS OF THORACIC SURGERY 1985; 5:347-9. [PMID: 9423024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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268
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Maehara T, Nakamura M. [Nursing deeply rooted in patients' lives]. KURINIKARU SUTADI = CLINICAL STUDY 1985; 6:1393-8. [PMID: 3853715] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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269
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Ando K, Beaver PC, Soga T, Maehara T, Kitamura S. Zoonotic subcutaneous filaria of undetermined classification. Am J Trop Med Hyg 1985; 34:1138-41. [PMID: 3834798 DOI: 10.4269/ajtmh.1985.34.1138] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
A necrotic adult male filaria was found in sections of a dense, fibrous, subcutaneous nodule excised from below the breast of a 61-year-old woman, resident of Mie Prefecture in Honshu, Japan. Owing to its necrotic condition, and to a lack of essential knowledge of the comparative micro-anatomy of filarial worms, a differentiation between Dirofilaria and Dipetalonema species, or member of a related group, was not possible.
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270
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Maehara T, Kiso I, Higashi S, Suzuki I, Hayashi I, Hamano Y. [The management of median sternotomy infection following cardiac surgery by continuous closed irrigation with an antibiotic solution]. KYOBU GEKA. THE JAPANESE JOURNAL OF THORACIC SURGERY 1985; 38:706-9. [PMID: 4079181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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271
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Maezawa M, Shibukawa J, Maehara T, Nakamura M. [Division of the outpatient care service and changing trends in ambulatory nursing]. [KANGO GIJUTSU] : [NURSING TECHNIQUE] 1985; 31:1305-8. [PMID: 3850990] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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272
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Ueda T, Kiso I, Maehara T, Higashi S, Suzuki I. [Clinical experience of left heart bypass with a centrifugal pump (Bio-Pump)]. KYOBU GEKA. THE JAPANESE JOURNAL OF THORACIC SURGERY 1984; 37:863-5. [PMID: 6521102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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273
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Shiraishi K, Kamitani H, Kanazawa I, Sato J, Masuzawa H, Maehara T, Kasuga S. [High density epidermoid. Protein and lipid analyses of cyst content--case report]. Neurol Med Chir (Tokyo) 1984; 24:717-21. [PMID: 6083497 DOI: 10.2176/nmc.24.717] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
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274
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Maehara T, Kiso I, Hayashi I, Ueda T, Suzuki I. [Pulmonary artery aneurysm associated with pulmonary stenosis]. RINSHO KYOBU GEKA = JAPANESE ANNALS OF THORACIC SURGERY 1984; 4:613-8. [PMID: 6522987] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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275
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Yamamoto H, Sato F, Nakamura O, Kohno T, Shitara N, Takakura K, Sano K, Maehara T, Akanuma A. [Synchronization chemoradiotherapy for malignant gliomas]. NO SHINKEI GEKA. NEUROLOGICAL SURGERY 1984; 12:795-805. [PMID: 6592471] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Cellular synchronization chemoradiotherapy was performed in 122 patients with glioblastoma and malignant astrocytoma (GrIII) registered between April 1977 and August 1982. The study was a non-randomized clinical phase II trial. The chemotherapeutic agents employed as synchronizers during the irradiation were VM26 (epipodophyllotoxin) and vincristine (VCR) as plant alkaloids and ACNU as a nitrosourea. Either VM26 or VCR was administered on D1, D2 and D3 at the dosage of 1 mg/kg (0.025 mg/kg-VCR) body weight. ACNU was administered on D2 and D3 at the dosage of 1 mg/kg body weight. The duration of the chemotherapy was eight to fourteen days at the initial induction stage and almost eight weeks at the maintenance stage. Thus, two synchronization arms of VM26 + ACNU and VCR + ACNU were employed. The regimen-VM 26 + ACNU + Radiation (Rad) could yield the initial induction of CR + PR-30%, NC-50%, and PG-15% in 58 cases. Long-term survival, calculated by the cumulative survival rate, was as follows: one year, 58%; two years, 42%; three years, 32%; four years, 30%, and five years, 25%. The regimen VCR + ACNU + Rad could yield the initial induction of CR + PR-28%, NC-49%, and PG-23% in 64 cases. The cumulative survival rate was calculated as follows: one year, 55%; two years, 42%; three years, 27%; four years, 22%, and five years, 22%. As a control, particularly for the survival rate, the data of the All-Japan Registry were revised to correspond to our study population. The survival rate of simple radiation cases thus revised was as follows: one year, 43%; two years, 23%; three years, 11%; four years, 7%, and five years, 5%. The comparison between VM 26 plus ACNU and VCR plus ACNU yielded a higher initial induction response of 35% for the former (vs. 28% for the latter), although it is difficult to make a judgement on the excellence of the regimen involving VM 26 plus ACNU, because this trial was clinical phase II. On the other hand, compared with the data from the All-Japan Registry, each regimen of cellular synchronization radiation therapy could achieve statistically more excellent responses both in the initial induction and the long-term survival (p less than 0.01). Thus, cellular synchronization radiation therapy is a hopeful therapeutic method for malignant glioma, with less side effects and statistically confirmed higher responses.(ABSTRACT TRUNCATED AT 400 WORDS)
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276
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Maehara T, Tanaka N, Tosaka K, Toya M, Ishikawa T. [A case of malignant lymphoma with Mikulicz's syndrome]. NIHON JIBIINKOKA GAKKAI KAIHO 1984; 87:303-14. [PMID: 6611394] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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277
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Maehara T, Tanohata K. [Radicular arteriography]. RINSHO HOSHASEN. CLINICAL RADIOGRAPHY 1983; 28:1249-57. [PMID: 6672310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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278
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Kiso I, Higashi S, Maehara T, Yozu R, Hayashi I, Ishikura Y, Takashio H. [Serious cerebral complications following open heart surgery, with special reference to the prognostic value of EEG]. [ZASSHI] [JOURNAL]. NIHON KYOBU GEKA GAKKAI 1983; 31:1097-101. [PMID: 6631139] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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279
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Maehara T, Machida T. [Development of transcatheter embolization in neuroradiology]. RINSHO HOSHASEN. CLINICAL RADIOGRAPHY 1983; 28:3-10. [PMID: 6842885] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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280
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Maehara T, Machida T, Tsuchiya K, Iio M. Brain tumors with ipsilateral cerebral hemiatrophy. AJNR Am J Neuroradiol 1983; 4:478-80. [PMID: 6410776 PMCID: PMC8334982] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Brain tumors with secondary ipsilateral cerebral hemiatrophy are so rare that only seven cases have been reported in the literature. Three new cases are presented and the clinical findings in all 10 cases are reviewed. The diagnostic value of computed tomography (CT) is emphasized. The authors conclude that nodular high-density lesions located deep in the cerebrum and showing slight contrast enhancement on CT may be associated with ipsilateral cerebral hemiatrophy in young male patients with slowly progressive hemiparesis, dementia, and personality change. In such cases, early diagnosis of germinoma and subsequent radiotherapy may prevent unnecessary surgery.
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281
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Tsuchiya K, Machida T, Maehara T, Iio M. [Case of accessory nerve neurinoma]. RINSHO HOSHASEN. CLINICAL RADIOGRAPHY 1982; 27:1375-1378. [PMID: 7161915] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
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282
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Maehara T, Tasaka A. [Rare vascular malformations of the brain: computed tomography and angiographic diagnosis (author's transl)]. NO TO SHINKEI = BRAIN AND NERVE 1981; 33:1147-55. [PMID: 7332723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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283
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Takeuchi S, Imamura H, Katogi T, Okura M, Maehara T, Umezu Y, Inoue T. [Repair of double-outlet right ventricle (author's transl)]. [ZASSHI] [JOURNAL]. NIHON KYOBU GEKA GAKKAI 1981; 29:1452-8. [PMID: 7328339] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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284
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Maehara T. [Computed tomography of spine and spinal cord (author's transl)]. NO SHINKEI GEKA. NEUROLOGICAL SURGERY 1981; 9:993-1006. [PMID: 7027069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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285
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Machida T, Maehara T. [Neuroradiological diagnosis of microadenoma (author's transl)]. NO TO SHINKEI = BRAIN AND NERVE 1981; 33:441-448. [PMID: 6266438] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
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286
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Imamura H, Takeuchi S, Katogi T, Maehara T, Inoue T. [Hypothermic low-flow cardiopulmonary bypass technique for the repair of congenital heart disease (author's transl)]. [ZASSHI] [JOURNAL]. NIHON KYOBU GEKA GAKKAI 1980; 28:1796-802. [PMID: 7462728] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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287
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Maehara T, Takeuchi S, Imamura H, Odagiri S, Inoue T. [Successful repair of double-outlet right ventricle (S.D.L.) with subaortic ventricular septal defect and pulmonary stenosis using valved external conduit (author's transl)]. [ZASSHI] [JOURNAL]. NIHON KYOBU GEKA GAKKAI 1980; 28:1462-8. [PMID: 7430728] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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288
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289
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Sakou T, Miyazaki A, Tomimura K, Maehara T, Frost HM. Ossification of the posterior longitudianl ligament of the cervical spine: subtotal vertebrectomy as a treatment. Clin Orthop Relat Res 1979:58-65. [PMID: 113159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
If the ossification is localized in the central part of the intervertebral space, anterior decompression surgery of Cloward may be indicated. However, if most posterior ligamentous ossification covers the posterior surface of the vertebral body and the lateral sides, Cloward's method is not indicated. We have developed a method of anterior decompression and fusion surgery to clear the ossified area, resecting the vertebral body (subtotal vertebrectomy). The results were excellent in 3 of 4 patients with preoperative radiculopathy; there were 2 excellent and 16 good results in 22 patients with myelopathy. Of course laminectomy can produce some good effects, but the anterior obstruction removes through the anterior approach. Anterior decompression may be indicated when ossification is localized below the C3--4 intervertebral space, and when the spinal canal is not narrowed in the upper cervical region, even if ossification extends over the whole cervical spine. Laminectomy is advised when ossification involves all levels of the cervical spine, the upper cervical spine is narrowed or the sagittal dimension of the spinal canal is reduced more than 60%.
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290
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Maehara T. [Radiographic CT diagnosis of the brain--evaluation of its efficacy and limitations]. NIHON RINSHO. JAPANESE JOURNAL OF CLINICAL MEDICINE 1979; 37:22-9. [PMID: 430842] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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291
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Machida T, Maehara T, Tasaka A. [Computed tomography of ventricular anomalies (author's transl)]. RINSHO HOSHASEN. CLINICAL RADIOGRAPHY 1978; 23:1339-46. [PMID: 309954] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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292
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293
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Maehara T. [Brain tumor (author's transl)]. NO TO SHINKEI = BRAIN AND NERVE 1978; 30:712-23. [PMID: 687460] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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294
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Takita Y, Maehara T, Yamazoe N, Seiyama T. Oxyhydrative Scission of trans-2-Butene in the Liquid Phase under Pressure. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 1978. [DOI: 10.1246/bcsj.51.669] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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295
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Maehara T, Tasaka A. Cerebral venous angioma: computerized tomography and angiographic diagnosis. Neuroradiology 1978; 16:296-8. [PMID: 740200 DOI: 10.1007/bf00395279] [Citation(s) in RCA: 34] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Four cases of cerebral venous angioma were studied by both CT and angiography. All cases showed similar angiographic findings: a normal arterial phase and a local network of small veins that converged centrally into a single large draining vein. However, CT showed nodular areas of high density in three cases, and a curvilinear enhanced lesion representing the draining vein in the other. CT findings are nonspecific but very useful for detecting the lesion and demonstrating the associated hematoma. Angiographic findings are not so obvious as in AVM, but are necessary for the final diagnosis of the venous angioma.
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