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Search Results: 1 - 10 of 1782 matches for " Koji Inutsuka "
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Pulmonary metastasis from gastric cancer: A case report and review of literature  [PDF]
Motohisa Kuwahara, Mari Matsumoto, Kazuya Naritomi, Masae Mano, Daisuke Hamatake, Koji Inutsuka, Takayuki Shirakusa, Akinori Iwasaki
Advances in Lung Cancer (ALC) , 2013, DOI: 10.4236/alc.2013.23009
Abstract:

We present a case report of a 63-year-old male who underwent lung resections for metastases originating from gastric cancer 18-year after total gastrectomy with lymphadenectomy. The gastrectomy was performed in 1994; histological examination of the original tumor revealed stage II poorly differentiated adenocarcinoma [pT2 (MP), N0, M0]. Chest X-ray and computed tomography in 2012 showed a well-defined tumor, 9 mm in size, at the left S3 of the lung. Thoracoscopic partial resection was performed. The tumor was diagnosed as poorly differentiated carcinoma, most likely metastatic gastric adenocarcinoma. Although rarely performed, resection of pulmonary metastases from carcinoma of the stomach was done to improve the patient’s chances for long-term survival.

Chest Wall Hemangiopericytoma-Like Solitary Fibrous Tumor of the Pleura: Case Report with Computed Tomography Findings*  [PDF]
Motohisa Kuwahara, Hiroshi Nishimura, Masato Iwami, Kazuya Naritomi, Masae Mano, Koji Inutsuka, Keita Tokuishi, Akinori Iwasaki
Advances in Computed Tomography (ACT) , 2013, DOI: 10.4236/act.2013.24022
Abstract:

We present a case report of a 65-year-old woman who underwent resection of a chest wall tumor. In contrast with computed tomography, the tumor exhibited hypervascularity and was fed from the 9th intercostals artery. Histologically, the tumor was diagnosed as a cellular variant of solitary fibrous tumor of the pleura, with branching “staghorn” vessels and hypervascularity. The tumor thus resembled a chest wall hemangiopericytoma.

Comparison of Discharge Duration Curves from Two Adjacent Forested Catchments—Effect of Forest Age and Dominant Tree Species  [PDF]
Koji Tamai
Journal of Water Resource and Protection (JWARP) , 2010, DOI: 10.4236/jwarp.2010.28086
Abstract: The effects of forest age and dominant tree species on the water discharge volume have been analyzed by a paired-watershed experiment in two adjacent catchments in Tatsunokuchi-yama Experimental Forest, western Japan. The control period is 1937-1943. The treated periods are 1948-1953, 1968-1977, and 1996-2003. In these treated periods, the forest age or the dominant tree species were different between two adjacent periods. Differences in the discharge duration curves from the two catchments are compared for the control and the treated periods. A significant change in the discharge duration curves is seen in the third treated period (1996-2003) on days with low water, when the forest age difference between the adjacent catchments was 35 years. This is believed to be the result of differences in forest age and forest treatment just after the occurrence of pine wilt disease.
Diagnosis of occult fractures of the ischiopubic rami  [PDF]
Koji Suzuki
Journal of Biomedical Science and Engineering (JBiSE) , 2013, DOI: 10.4236/jbise.2013.63A049
Abstract:
Introduction: Recently, the diagnosis of occult frac- tures has been facilitated due to increased availability and utilization of MRI. Diagnosing a fracture of the ischiopubic rami from a proximal femoral fracture, in particular, is difficult using physical exam alone and can be facilitated by having access to an MRI. Here we report both physical exam findings and MRI findings that help in differentiating occult fractures of the iliopubic rami. Materials and Methods: From April 2010 to December 2012, we identified 30 pa- tients (5 male and 25 female; aged 43 - 93 years old). We recorded if a traumatic episode occurred, ambu- latory status at the initial visit (bed ridden, standing up with an aid, walking with an aid). We also re- corded if imaging was used in determining the final diagnosis (radiographs, MRI or CT). Results: Twenty- one patients had a fracture as a result of a traumatic episode. In the remaining 9 cases, no trauma oc- curred and therefore the fractures were insufficiency fractures. Ten patients were bed ridden at the initial visit, eight patients were able to stand only with a walking aid, and the remaining twelve patients were able to walk with an aid. Occasional radiographs were used to confirm the presence of a fracture in 4 cases, MRI in 11 cases, and CT scan in 15 cases. Dis- cussion and Conclusions: Occult fractures of the is- chiopubic rami can occur without trauma and it can be difficult to differentiate these fractures from occult proximal femoral fractures. In these cases, MRI is useful to definitively obtain a diagnosis. In cases of pacemaker, bullet implantation or artificial hip joints, CT or occasional radiographs are also useful to diag- nose occult fractures of the ischiopubic rami.
Reply to “Comments on ‘There Is No Axiomatic System for the Quantum Theory’”  [PDF]
Koji Nagata
Journal of Quantum Information Science (JQIS) , 2014, DOI: 10.4236/jqis.2014.44018
Abstract: Barros discusses that [Jose Acacio de Barros, Int. J. Theor. Phys. 50, 1828 (2011)] Nagata derives inconsistencies from quantum mechanics [K. Nagata, Int. J. Theor. Phys. 48, 3532 (2009)]. Barros considers that the inconsistencies do not come from quantum mechanics, but from extra assumptions about the reality of observables. Here we discuss the fact that there is a contradiction within the quantum theory. We discuss the fact that only one expected value in a spin-1/2 pure state 〈σxrules out the reality of the observable. We do not accept extra assumptions about the reality of observables. We use the actually measured results of quantum measurements (raw data). We use a single Pauli observable. We stress that we can use the quantum theory even if we give up the axiomatic system for the quantum theory.
A Geometric Approach to Temptation and Self-Control  [PDF]
Koji Abe
Theoretical Economics Letters (TEL) , 2016, DOI: 10.4236/tel.2016.63060
Abstract: By making use of a geometry of preferences, Abe (2012) proves the Gul and Pesendorfer’s utility representation theorem about temptation without self-control. This companion paper provides a similar proof for the Gul and Pesendorfer's utility representation theorem about temptation and costly self-control. As a result, the both theorems are proved in the unified way.
Introduction of the Tensor Which Satisfied Binary Law  [PDF]
Koji Ichidayama
Journal of Modern Physics (JMP) , 2017, DOI: 10.4236/jmp.2017.81011
Abstract: P: For every coordinate system, there is no immediate reason for preferring certain systems of co-ordinates to others. If we don’t recognize that P is establishment, we must recognize to existence of the absolute coordinate system. Therefore, we must recognize that P is establishment. Nevertheless, I got conclusion that P isn’t es-tablishment for all coordinate systems \"\". If P is establishment, this is the trouble. As against, I got conclusion that if we consider “Binary Law” for all coordinate systems \"\", P is establishment for all coordinate systems \"\". If we consider Binary Law for all coordinate systems \"\", we must consider Binary Law for the coordinate systems using into Tensor, too. So, I decided to report for the Tensor which satisfied Binary Law.
Property of Tensor Satisfying Binary Law  [PDF]
Koji Ichidayama
Journal of Modern Physics (JMP) , 2017, DOI: 10.4236/jmp.2017.86060
Abstract: I report the reason why Tensor satisfying Binary Law has relations toward physics in this article. Q: The n th-order covariant derivative of the Vector {Aμ, Aμ}:(n=1) satisfying Binary Law. R: The n th-order covariant derivative of the Vector {Aμ, Aμ}:(n≥2) satisfying Binary Law. I have reported in other articles about Q. I report R in this article. I obtained the following results in this. I got the conclusion that derived function became 0. The derived function becoming 0 in the n th-order covariant derivative of the covariant vector Aμ here in the case of n=2. Similarly, in the n th-order covariant derivative of the contravariant vector Aμ in the case of n=4 .
A Differentiation of Self Scale in Two Domains for Japan: A Preliminary Study on Its Development and Reliability/Validity  [PDF]
Koji Kudo
Psychology (PSYCH) , 2018, DOI: 10.4236/psych.2018.94047
Abstract: In this study, a differentiation of self scale was created applicable to two domains—intrapsychic and interpersonal, and was named the Differentiation of Self Scale in Two Domains (DSS-2D). A preliminary study was then performed on its reliability and validity. A questionnaire survey was conducted with university students (n = 273). Exploratory factor analysis results were used to divide DSS-2D into 4 subscales. The intrapsychic differentiation scale corresponded to intrapsychic differentiation, while 3 subscales—the interpersonal differentiation togetherness scale, interpersonal differentiation individuality scale, and adaptive interpersonal relationship scale—corresponded to the interpersonal domain. The reliability coefficients for each subscale were sufficient. In all subscales, there was a significant correlation with trait anxiety, as was theoretically anticipated, and criterion-related validity was confirmed. These results support the future utility of DSS-2D.
An Additional Consideration of Reliability and Validity of the Differentiation of Self Scale in Two Domains  [PDF]
Koji Kudo
Psychology (PSYCH) , 2018, DOI: 10.4236/psych.2018.910138
Abstract: This study addressed the insufficient verification of reliability and validity of the Differentiation of Self Scale in Two Domains (DSS-2D). Although the DSS-2D is the first measure in Japan that satisfies the three requirements (corresponding to two domains, applicable to a wide range of adolescents, and a moderate number of items), verification of reliability and validity of the DSS-2D has remained insufficient. Two questionnaire surveys were conducted with university students (n = 70 at T1, n = 68 at T2). The interval of the surveys was one month. The results indicate that the DSS-2D had sufficient test-retest reliability and concurrent validity in each domain of differentiation of self. These results provide support for the DSS-2D as a valid and adequate measure for use in Japan.
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