Research Topics
| O HondaSummaryAffiliation: Osaka University Country: Japan Publications
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Detail Information
Publications
MR imaging of thymic epithelial tumors: correlation with World Health Organization classificationAtsuo Inoue
Department of Radiology, Osaka University Graduate School of Medicine, 2 2 Yamadaoka, Suita, Osaka 565 0871, Japan
Radiat Med 24:171-81. 2006..The aim of this study was to determine magnetic resonance imaging (MRI) features of various subtypes of thymic epithelial tumors based on the World Health Organization classification...
Reproducibility of temporal volume change in CT of lung cancer: comparison of computer software and manual assessmentO Honda
Department of Radiology, Osaka University Graduate School of Medicine, 2 2 Yamadaoka, Suita City, Osaka, 565 0871, Japan
Br J Radiol 82:742-7. 2009..01) and between groups A and C (p<0.001). Inconsistency is often seen in manual assessment; in contrast, evaluation using volumetric software has good reproducibility, even when the relative change in tumour volume is small...
Computer-assisted lung nodule volumetry from multi-detector row CT: influence of image reconstruction parametersOsamu Honda
Department of Radiology, Osaka University Graduate School of Medicine, 2 2 Yamadaoka, Suita, Osaka 565 0871, Japan
Eur J Radiol 62:106-13. 2007..To investigate differences in volumetric measurement of pulmonary nodules caused by changing the reconstruction parameters for multi-detector row CT...
Pulmonary nodules: 3D volumetric measurement with multidetector CT--effect of intravenous contrast mediumOsamu Honda
Department of Radiology, Osaka University Graduate School of Medicine, 1 7 Yamadaoka, Suita, Osaka 565 0871, Japan
Radiology 245:881-7. 2007..To retrospectively evaluate the effect of contrast medium on the three-dimensional volumetric measurement of pulmonary nodules...
Pulmonary cavitary nodules on computed tomography: differentiation of malignancy and benignancyOsamu Honda
Department Radiology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
J Comput Assist Tomogr 31:943-9. 2007..To establish computed tomographic findings that enable accurate differentiation between malignant and benign cavitary lung nodules...
Image quality of multiplanar reconstruction of pulmonary CT scans using adaptive statistical iterative reconstructionO Honda
Department of Radiology, Osaka University Graduate School of Medicine, Osaka, Japan
Br J Radiol 84:335-41. 2011..We investigated the image quality of multiplanar reconstruction (MPR) using adaptive statistical iterative reconstruction (ASIR)...
Doubling time of lung cancer determined using three-dimensional volumetric software: comparison of squamous cell carcinoma and adenocarcinomaOsamu Honda
Department of Radiology, Osaka University Graduate School of Medicine, 2 2 Yamadaoka, Suita, Osaka 565 0871, Japan
Lung Cancer 66:211-7. 2009..01). In conclusion, the median doubling time of SCC lung cancers is less than that of adenocarcinomas, as measured with automated volumetric measurement software...
Pitfalls in the interpretation of multidetector-row helical CT images at window width and level setting for lung parenchymaT Johkoh
Department of Radiology, Osaka University Medical School, Suita, Japan
Radiat Med 19:181-4. 2001....
Lymphocytic interstitial pneumonia: follow-up CT findings in 14 patientsT Johkoh
Department of Radiology, Osaka University Medical School, Suita, Japan
J Thorac Imaging 15:162-7. 2000..The majority of patients with LIP improved on follow-up. However, airspace consolidation may progress to honeycombing and centrilobular nodules may precede cystic formation...
One-dimensional quantitative evaluation of peripheral lung adenocarcinoma with or without ground-glass opacity on thin-section CT images using profile curvesM Yanagawa
Department of Radiology, Osaka University Graduate School of Medicine, Osaka, Japan
Br J Radiol 82:532-40. 2009..We concluded that the ratio of solid component to total tumour, which is obtainable in a more objective and simple way using profile curves obtained by software, is a more useful method of estimating prognosis than is visual assessment...
High-resolution CT using multidetector CT equipment: evaluation of image quality in 11 cadaveric lungs and a phantomO Honda
Department of Radiology, Osaka University Medical School, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan
AJR Am J Roentgenol 177:875-9. 2001..Axial HRCT with multidetector CT is appropriate for evaluating subtle lung abnormalities, but high-speed mode is unsuitable. Using the high-quality mode degrades image quality but is still worthwhile...
Pulmonary involvement in primary Sjögren's syndrome: spectrum of pulmonary abnormalities and computed tomography findings in 60 patientsM Koyama
Department of Radiology, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan
J Thorac Imaging 16:290-6. 2001....
Acute respiratory distress syndrome and acute interstitial pneumonia: comparison of thin-section CT findingsN Tomiyama
Department of Radiology, Osaka University Medical School, Suita, Japan
J Comput Assist Tomogr 25:28-33. 2001..The purpose of this work was to compare the thin-section CT findings of acute respiratory distress syndrome (ARDS) with those of acute interstitial pneumonia (AIP)...
Pulmonary involvement in mixed connective tissue disease: high-resolution CT findings in 41 patientsT Kozuka
Department of Radiology, Osaka University Medical School, Suita, Japan
J Thorac Imaging 16:94-8. 2001..Pulmonary involvement of MCTD is characterized by the presence of ground-glass attenuation, nonseptal linear opacities, and peripheral and lower lobe predominance. Ill-defined centrilobular opacities were uncommonly seen...
Eosinophilic lung diseases: diagnostic accuracy of thin-section CT in 111 patientsT Johkoh
Dept of Radiology, Osaka Univ Medical School, Suita, Japan
Radiology 216:773-80. 2000..To determine whether various eosinophilic lung diseases can be differentiated by means of thin-section computed tomography (CT)...
Body position does not influence the location of ventilator-induced lung injuryM Nishimura
Osaka University Hospital, Suita, Japan
Intensive Care Med 26:1664-9. 2000..To ascertain whether the locations of ventilator-induced lung injury (VILI) are influenced by body position...
Evaluation of image quality and spatial resolution of low-dose high-pitch multidetector-row helical high-resolution CT in 11 autopsy lungs and a wire phantomT Johkoh
Department of Radiology, Osaka University Medical School, Suita, Japan
Radiat Med 19:279-84. 2001..05, Friedman test). CONCLUSION: More than 40 mAs in combination with 120 kVp is preferable for the evaluation of details of lung parenchyma by high-pitch. multidetector-row helical high-resolution CT...
Temporal subtraction for the detection of hazy pulmonary opacities on chest radiographyMitsuko Tsubamoto
Department of Radiology, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan
AJR Am J Roentgenol 179:467-71. 2002....
Commercially available computer-aided detection system for pulmonary nodules on thin-section images using 64 detectors-row CT: preliminary study of 48 casesMasahiro Yanagawa
Department of Diagnostic and Interventional Radiology, Osaka University Graduate School of Medicine, 2 2 Yamadaoka, Suita, Osaka, Japan
Acad Radiol 16:924-33. 2009....
Full-size digital storage phosphor chest radiography: effect of 4K versus 2K matrix size on observer performance in detection of subtle interstitial abnormalitiesTakashi Ueguchi
Department of Radiology, Osaka University Hospital, Osaka 565-0871, Japan
Radiat Med 23:170-4. 2005..05) between 4K and 2K DSP radiographs. CONCLUSION: Observer performance in the detection of subtle interstitial abnormalities on 4K full-size DSP chest radiographs was equivalent to that on 2K full-size DSP chest radiographs...
Invasive and noninvasive thymoma: distinctive CT featuresN Tomiyama
Department of Radiology, Osaka University Medical School, Japan
J Comput Assist Tomogr 25:388-93. 2001..The purpose of this work was to evaluate the CT features of thymoma and to determine the most helpful findings in differentiating invasive from noninvasive thymoma...
Preoperative assessment of thymic veins on multidetector row CT: optimization of contrast material volumeJavzandulam Natsag
Department of Radiology, Graduate School of Medicine, Osaka University, D1, 2 2 Yamadaoka, Suita, 565 0871, Japan
Radiat Med 25:202-10. 2007..The purpose of this study was to determine the optimal dose of contrast material for preoperative CT imaging for the detection of thymic veins on the basis of patient weight...
Volume of pulmonary lobes and segments in chronic obstructive pulmonary diseases calculated using newly developed three-dimensional softwareTadahisa Daimon
Department of Radiology, Osaka University Graduate School of Medicine, Suita, Japan
Jpn J Radiol 27:115-22. 2009....
Image quality of high-resolution CT with 16-channel multidetector-row CT: comparison between helical scan and conventional step-shoot scanHiromitsu Sumikawa
Department of Radiology, Osaka University Graduate School of Medicine, Suita 565-0825, Japan
Radiat Med 23:539-44. 2005..These results may indicate that sufficient HRCT images can be obtained by only one helical scan without the addition of conventional axial scans...
Using the World Health Organization Classification of thymic epithelial neoplasms to describe CT findingsNoriyuki Tomiyama
Department of Radiology, Ehime National Hospital, 366, Yokogawara, Shigenobu, Ehime 791-0281, Japan
AJR Am J Roentgenol 179:881-6. 2002..Calcification is suggestive of type B tumors. CT is of limited value, however, in differentiating type AB, B1, B2, and B3 tumors...
Coronal multiplanar reconstruction view from whole lung thin-section CT by multidetector-row CT: determination of malignant or benign lesions and differential diagnosis in 68 cases of solitary pulmonary noduleMitsuko Tsubamoto
Department of Radiology, Osaka University Graduate School of Medicine, Suita, Japan
Radiat Med 21:267-71. 2003..3). CONCLUSIONS: The diagnostic efficacy of the coronal MPR view is comparable to that of transverse thin-section CT for the evaluation of solitary pulmonary nodules...
Thin-section CT of lung without ECG gating: 64-detector row CT can markedly reduce cardiac motion artifact which can simulate lung lesionsMasahiro Yanagawa
Department of Radiology, Osaka University Graduate School of Medicine, 2 2 Yamadaoka, Suita City, Osaka 565 0871, Japan
Eur J Radiol 69:102-7. 2009....
Volume histogram analysis for lung thin-section computed tomography: differentiation between usual interstitial pneumonia and nonspecific interstitial pneumoniaHiromitsu Sumikawa
Department of Radiology, Osaka University Graduate School of Medicine, Osaka, Japan
J Comput Assist Tomogr 31:936-42. 2007..The aim of this study was to evaluate volume histogram analysis between usual interstitial pneumonia (UIP) and nonspecific interstitial pneumonia (NSIP)...
Detection of pulmonary metastases with multi-detector row CT scans of 5-mm nominal section thickness: autopsy lung studyTakenori Kozuka
Department of Radiology, Osaka University Medical School, 2 2 Yamadaoka, Suita, Osaka 565 0871, Japan
Radiology 226:231-4. 2003....
Nonspecific interstitial pneumonia: histologic correlation with high-resolution CT in 29 patientsHiromitsu Sumikawa
Department of Radiology, Osaka University Graduate School of Medicine, 2 2 Yamadaoka, Suita, Osaka 565 0825, Japan
Eur J Radiol 70:35-40. 2009..To determine the pathological correlation with various high-resolution CT (HRCT) findings in cases with nonspecific interstitial pneumonia (NSIP), paying special attention to pathological subgroups...
Comparison of quality of multiplanar reconstructions and direct coronal multidetector CT scans of the lungOsamu Honda
Department of Radiology, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka 565-0871, Japan
AJR Am J Roentgenol 179:875-9. 2002..CONCLUSION: The image quality of coronal multiplanar reconstructions from isotropic voxel data obtained using 0.5-mm collimation, with or without overlapping reconstruction, is similar to that of direct coronal thin-section CT scans...
Detection of lung cancer on chest radiographs: analysis on the basis of size and extent of ground-glass opacity at thin-section CTMitsuko Tsubamoto
Department of Diagnostic Radiology, Osaka Medical Center for Cancer and Cardiovascular Diseases, Suita, Japan
Radiology 224:139-44. 2002..To evaluate the detection of small peripheral lung tumors on chest radiographs on the basis of the size of the tumor and its extent of ground-glass opacity (GGO) at thin-section computed tomography (CT)...
Temporal subtraction for detection of solitary pulmonary nodules on chest radiographs: evaluation of a commercially available computer-aided diagnosis systemTakeshi Johkoh
Department of Radiology, Osaka University Graduate School of Medicine, 2 2 Yamadaoka, Suita, Osaka 565 0871
Radiology 223:806-11. 2002....
Acute eosinophilic pneumonia: Thin-section CT findings in 29 patientsTadahisa Daimon
Department of Radiology, Osaka University Medical School, 2 2 Yamadaoka, Suita, Osaka 565 0871, Japan
Eur J Radiol 65:462-7. 2008..To determine thin-section computed tomography (CT) characteristics of acute eosinophilic pneumonia (AEP)...
Computed tomography values calculation and volume histogram analysis for various computed tomographic patterns of diffuse lung diseasesHiromitsu Sumikawa
Department of Radiology, Osaka University Graduate School of Medical, 2 2 Yamadaoka, Suita, Osaka 565 0825, Japan
J Comput Assist Tomogr 33:731-8. 2009..The aim of this study was to determine the computed tomography (CT) values of various pulmonary abnormalities in cubic region of interest (ROI) and square ROI and evaluate the CT findings by histogram analysis in the ROI...
Automated assessment of malignant degree of small peripheral adenocarcinomas using volumetric CT data: correlation with pathologic prognostic factorsMasahiro Yanagawa
Department of Radiology, Osaka University Graduate School of Medicine, 2 2 Yamadaoka, Suita City, Osaka 565 0871, Japan
Lung Cancer 70:286-94. 2010..To evaluate a custom-developed software for analyzing malignant degrees of small peripheral adenocarcinomas on volumetric CT data compared to pathological prognostic factors...
CT-guided percutaneous cutting needle biopsy of thymic epithelial tumors comparison to the accuracy of computed tomographic diagnosis according to the world health organization classificationMasahiro Yanagawa
Department of Radiology, Osaka University Graduate School of Medicine, 2 2 Yamadaoka, Suita, Osaka, Japan
Acad Radiol 17:772-8. 2010....
Multidetector CT of the lung: image quality with garnet-based detectorsMasahiro Yanagawa
Department of Radiology, Osaka University Graduate School of Medicine, 2 2 Yamadaoka, Suita City, Osaka 565 0871, Japan
Radiology 255:944-54. 2010..To evaluate the image quality of both standard- and reduced-dose computed tomography (CT) by comparing multidetector CT with garnet-based detectors with multidetector CT with conventional detectors...
Adaptive statistical iterative reconstruction technique for pulmonary CT: image quality of the cadaveric lung on standard- and reduced-dose CTMasahiro Yanagawa
Department of Radiology, Osaka University Graduate School of Medicine, Suita City, Osaka, 565 0871, Japan
Acad Radiol 17:1259-66. 2010..To evaluate thin-section computed tomography (CT) images of the lung reconstructed using adaptive statistical iterative reconstruction (ASIR) on standard- and reduced-dose CT...
Characterization of T cell maturity in thymic epithelial cell tumors from BUF/Mna spontaneous thymoma rats and BUF/Mna-Rnu/+ rats showing delayed thymomagenesisMasayoshi Inoue
Department of General Thoracic Surgery, Osaka University Graduate School of Medicine, Suita City, Osaka, Japan
Int J Clin Exp Pathol 3:587-92. 2010..These results suggest that both BUF/Mna and BUF/ Mna-Rnu/+ strains are suitable animal models for human thymoma to understand the development of immature thymic lymphocytes...
Anterior mediastinal tumors: diagnostic accuracy of CT and MRINoriyuki Tomiyama
Department of Radiology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
Eur J Radiol 69:280-8. 2009..To compare the diagnostic accuracy for anterior mediastinal tumors among CT, MRI, and both CT and MRI, and to determine the optimal CT and MRI procedures for the diagnosis of anterior mediastinal tumors...
Computed tomography findings in pathological usual interstitial pneumonia: relationship to survivalHiromitsu Sumikawa
Department of Radiology, Osaka University Graduate School of Medical, 2 2 Yamadaoka, Suita, Osaka, 565 0825, Japan
Am J Respir Crit Care Med 177:433-9. 2008....
Pulmonary mucosa-associated lymphoid tissue type lymphoma with increased accumulation of fluorine 18-fluorodeoxyglucose on positron emission tomographyJavzandulam Natsag
Department of Diagnostic and Interventional Radiology, Graduate School of Medicine, Osaka University, Osaka, Japan
J Comput Assist Tomogr 29:640-3. 2005..Although positive FDG PET results might be uncommon in this entity, a case of increased FDG accumulation in a case of MALT type lymphoma of the lung is presented...
Pathologic subgroups of nonspecific interstitial pneumonia: differential diagnosis from other idiopathic interstitial pneumonias on high-resolution computed tomographyMitsuko Tsubamoto
Department of Radiology, Osaka University Graduate School of Medicine, Osaka, Japan
J Comput Assist Tomogr 29:793-800. 2005..To determine whether the subtypes of nonspecific interstitial pneumonia (NSIP) could be differentiated from other idiopathic interstitial pneumonias (IIPs) on the basis of findings on high-resolution computed tomography (CT)...
Pulmonary adenocarcinomas with ground-glass attenuation on thin-section CT: quantification by three-dimensional image analyzing methodHiromitsu Sumikawa
Department of Diagnostic and Interventional Radiology, Osaka University Graduate School of Medicine, 2 2 Yamadaoka, Suita, Osaka 565 0825, Japan
Eur J Radiol 65:104-11. 2008..The purpose of this study was to evaluate software designed to calculate whole tumor volumes and the ratio of the solid component to whole volume (%solid) in pulmonary nodules with ground-glass opacity in three dimensions...
Quantitative analysis for computed tomography findings of various diffuse lung diseases using volume histogram analysisHiromitsu Sumikawa
Department of Diagnostic and Interventional Radiology, Osaka University Medical School, Osaka, Japan
J Comput Assist Tomogr 30:244-9. 2006..The aim of this study was to achieve the quantitative analysis of the characteristic computed tomography (CT) findings and course of interstitial pneumonia using the volume histogram method...
Usual interstitial pneumonia and chronic idiopathic interstitial pneumonia: analysis of CT appearance in 92 patientsHiromitsu Sumikawa
Department of Radiology and Medical Physics, Osaka University Graduate School of Medicine, Osaka, Japan
Radiology 241:258-66. 2006....
Chronic cystic lung disease: diagnostic accuracy of high-resolution CT in 92 patientsMitsuhiro Koyama
Department of Radiology, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan
AJR Am J Roentgenol 180:827-35. 2003..Therefore, lung biopsy is often required for a definitive diagnosis...
Electrocardiography-triggered high-resolution CT for reducing cardiac motion artifact: evaluation of the extent of ground-glass attenuation in patients with idiopathic pulmonary fibrosisMotoko Nishiura
Division of Health Science, Osaka University Graduate School of Medicine, Suita, Japan
Radiat Med 25:523-8. 2007..5-s/rotation multidetector-row CT (MDCT)...
Evaluation of major aortopulmonary collateral arteries (MAPCAs) using three-dimensional CT angiography: two case reportsSachiko Murai
Department of Radiology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
Radiat Med 22:186-9. 2004..This technique is useful with preoperative conventional angiography as a standard examination for the planning of staged surgery...
Coronal multiplanar reconstruction view from isotropic voxel data sets obtained with multidetector-row CT: assessment of detection and size of mediastinal and hilar lymph nodesTakenori Kozuka
Department of Radiology, Osaka University Graduate School of Medicine, Japan
Radiat Med 21:23-7. 2003..53, p<0.05). CONCLUSION: Non-contrast enhanced coronal MPR views constructed from isotropic voxel data sets may be substituted for axial enhanced CT for the evaluation of mediastinal and hilar lymph nodes...
Evaluation of coronary artery bypass grafts using multidetector-row CT with Japanese patientsSachiko Murai
Department of Radiology, Osaka University Graduate School of Medicine, Japan
Radiat Med 24:72-6. 2006..7% and 100%, respectively. CONCLUSION: The patency of CABG in Japanese patients can be effectively evaluated with 3D-VR and curved MPR of MDCT...
Voxel dimensions required for micromorphologic evaluation of ground-glass opacity on lung high-resolution CTTakashi Ueguchi
Department of Radiology, Osaka University Hospital, Suita, Osaka, Japan
Radiat Med 23:261-70. 2005..18 mm or more. CONCLUSION: The appropriate voxel dimensions are approximately 0.06 mm for pathologic differentiation of areas with ground-glass opacity on HRCT...
The effect of calcium on Fas-mediated apoptosis and secondary necrosis of Jurkat cellsY Ando
Department of Radiology, Okayama University Medical School, Okayama 700-8558, Japan
Int J Mol Med 7:243-7. 2001..The presence of calcium did not affect the pattern of morphological change or the time interval between the beginning of apoptotic budding and secondary necrosis...
Prognostic value of remnant-like lipoprotein particle levels in patients with coronary artery disease and type II diabetes mellitusHironobu Fukushima
Department of Cardiovascular Medicine, Kumamoto University School of Medicine, Kumamoto, Japan
J Am Coll Cardiol 43:2219-24. 2004..CONCLUSIONS: Increased levels of RLP cholesterol are a significant and independent risk factor of CAD and predict future coronary events in patients with CAD and type II DM...
Feasibility of acute physiology and chronic health evaluation (APACHE) II and III score-based screening in patients receiving allogeneic hematopoietic stem-cell transplantationSung-Won Kim
Hematopoietic Stem Cell Transplantation Unit, National Cancer Center Hospital, Tokyo, Japan
Transplantation 75:566-70. 2003..Application of these systems to HSCT will require adequate modification, with particular attention to organ dysfunction secondary to graft-versus-host disease...
Echolucent carotid plaques predict future coronary events in patients with coronary artery diseaseOsamu Honda
Department of Cardiovascular Medicine, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
J Am Coll Cardiol 43:1177-84. 2004..Qualitative evaluation of carotid plaques using ultrasound with IBS is a clinically useful procedure for risk assessment of CAD patients...
Levels of the adipocyte-derived plasma protein, adiponectin, have a close relationship with atheromaSunao Kojima
Department of Cardiovascular Medicine, Graduate School of Medical Sciences, Kumamoto University, 1 1 1 Honjo, Kumamoto City 860 8556, Japan
Thromb Res 115:483-90. 2005..Adiponectin has potential antiatherosclerotic properties. We hypothesized that adiponectin was associated with atherosclerotic vascular changes involved in inflammation...
Hyperglycemia during the neutropenic period is associated with a poor outcome in patients undergoing myeloablative allogeneic hematopoietic stem cell transplantationShigeo Fuji
Department of Hematology and Stem Cell Transplantation, National Cancer Center Hospital, Tokyo, Japan
Transplantation 84:814-20. 2007..Van den Berghe et al. showed that the strict glucose control improved the outcome of patients treated in the intensive care unit, and this point was evaluated in this study in a HSCT setting...
