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Effect of Source-Detector Distance on the Measurement of Hemoglobin Using Near-Infrared Spectroscopy in Breast Cancer.

Hayashi M, Yoshizawa N, Ueda Y, Mimura T, Ohmae E, Yoshimoto K, Wada H, Nasu H, Ogura H, Sakahara H.

Technol Cancer Res Treat. 2019 Jan 1;18:1533033819830411. doi: 10.1177/1533033819830411.


Stable tissue-simulating phantoms with various water and lipid contents for diffuse optical spectroscopy.

Ohmae E, Yoshizawa N, Yoshimoto K, Hayashi M, Wada H, Mimura T, Suzuki H, Homma S, Suzuki N, Ogura H, Nasu H, Sakahara H, Yamashita Y, Ueda Y.

Biomed Opt Express. 2018 Oct 29;9(11):5792-5808. doi: 10.1364/BOE.9.005792. eCollection 2018 Nov 1.


Mesenchymal chondrosarcoma of the orbit: imaging features of CT and MRI.

Tsuchiya M, Masui T, Otsuki Y, Sakahara H.

Br J Radiol. 2018 Oct;91(1090):20170579. doi: 10.1259/bjr.20170579. Epub 2018 Jul 25.


Factors affecting measurement of optic parameters by time-resolved near-infrared spectroscopy in breast cancer.

Yoshizawa N, Ueda Y, Mimura T, Ohmae E, Yoshimoto K, Wada H, Ogura H, Sakahara H.

J Biomed Opt. 2018 Feb;23(2):1-6. doi: 10.1117/1.JBO.23.2.026010.


18F-FDG PET/CT Findings of Mesenchymal Chondrosarcoma of the Orbit.

Tsuchiya M, Masui T, Otsuki Y, Sakahara H.

Clin Nucl Med. 2018 Feb;43(2):e43-e45. doi: 10.1097/RLU.0000000000001915.


Four-dimensional phase-contrast vastly undersampled isotropic projection reconstruction (4D PC-VIPR) MR evaluation of the renal arteries in transplant recipients: Preliminary results.

Motoyama D, Ishii Y, Takehara Y, Sugiyama M, Yang W, Nasu H, Ushio T, Hirose Y, Ohishi N, Wakayama T, Kabasawa H, Johnson K, Wieben O, Sakahara H, Ozono S.

J Magn Reson Imaging. 2017 Aug;46(2):595-603. doi: 10.1002/jmri.25607. Epub 2017 Feb 2.


Effect of the chest wall on the measurement of hemoglobin concentrations by near-infrared time-resolved spectroscopy in normal breast and cancer.

Yoshizawa N, Ueda Y, Nasu H, Ogura H, Ohmae E, Yoshimoto K, Takehara Y, Yamashita Y, Sakahara H.

Breast Cancer. 2016 Nov;23(6):844-850. Epub 2015 Oct 16.


Non-invasive evaluation of pulmonary arterial blood flow and wall shear stress in pulmonary arterial hypertension with 3D phase contrast magnetic resonance imaging.

Odagiri K, Inui N, Hakamata A, Inoue Y, Suda T, Takehara Y, Sakahara H, Sugiyama M, Alley MT, Wakayama T, Watanabe H.

Springerplus. 2016 Jul 13;5(1):1071. doi: 10.1186/s40064-016-2755-7. eCollection 2016.


Hemodynamic Analysis of Endoleaks After Endovascular Abdominal Aortic Aneurysm Repair by Using 4-Dimensional Flow-Sensitive Magnetic Resonance Imaging.

Sakata M, Takehara Y, Katahashi K, Sano M, Inuzuka K, Yamamoto N, Sugiyama M, Sakahara H, Wakayama T, Alley MT, Konno H, Unno N.

Circ J. 2016 Jul 25;80(8):1715-25. doi: 10.1253/circj.CJ-16-0297. Epub 2016 Jun 29.


Shear Stiffness of 4 Common Intracranial Tumors Measured Using MR Elastography: Comparison with Intraoperative Consistency Grading.

Sakai N, Takehara Y, Yamashita S, Ohishi N, Kawaji H, Sameshima T, Baba S, Sakahara H, Namba H.

AJNR Am J Neuroradiol. 2016 Oct;37(10):1851-1859. doi: 10.3174/ajnr.A4832. Epub 2016 Jun 23.


Intra-left ventricular flow dynamics in patients with preserved and impaired left ventricular function: Analysis with 3D cine phase contrast MRI (4D-Flow).

Suwa K, Saitoh T, Takehara Y, Sano M, Saotome M, Urushida T, Katoh H, Satoh H, Sugiyama M, Wakayama T, Alley M, Sakahara H, Hayashi H.

J Magn Reson Imaging. 2016 Dec;44(6):1493-1503. doi: 10.1002/jmri.25315. Epub 2016 May 17.


Near-Infrared Diffuse Optical Imaging for Early Prediction of Breast Cancer Response to Neoadjuvant Chemotherapy: A Comparative Study Using 18F-FDG PET/CT.

Ueda S, Yoshizawa N, Shigekawa T, Takeuchi H, Ogura H, Osaki A, Saeki T, Ueda Y, Yamane T, Kuji I, Sakahara H.

J Nucl Med. 2016 Aug;57(8):1189-95. doi: 10.2967/jnumed.115.167320. Epub 2016 Mar 3.


Hepatic Relaxation Times from Postmortem MR Imaging of Adult Humans.

Shiotani S, Kobayashi T, Hayakawa H, Homma K, Sakahara H.

Magn Reson Med Sci. 2016 Jul 11;15(3):281-7. doi: 10.2463/ Epub 2015 Dec 22.


Gel phantom study of a cryosurgical probe with a thermosiphon effect and liquid nitrogen-cooled aluminum thermal storage blocks.

Isoda H, Takehara Y, Fujino H, Sone K, Suzuki T, Tsuzaki Y, Miyazaki K, Fujie M, Sakahara H, Maekawa Y.

Nagoya J Med Sci. 2015 Aug;77(3):399-407.


Feasibility of magnetic resonance elastography for the pancreas at 3T.

Itoh Y, Takehara Y, Kawase T, Terashima K, Ohkawa Y, Hirose Y, Koda A, Hyodo N, Ushio T, Hirai Y, Yoshizawa N, Yamashita S, Nasu H, Ohishi N, Sakahara H.

J Magn Reson Imaging. 2016 Feb;43(2):384-90. doi: 10.1002/jmri.24995. Epub 2015 Jul 7.


MR-based computational fluid dynamics with patient-specific boundary conditions for the initiation of a sidewall aneurysm of a basilar artery.

Isoda H, Takehara Y, Kosugi T, Terada M, Naito T, Onishi Y, Tanoi C, Amaya K, Sakahara H.

Magn Reson Med Sci. 2015;14(2):139-44.


Breast cancer metastatic to the kidney with renal vein involvement.

Nasu H, Miura K, Baba M, Nagata M, Yoshida M, Ogura H, Takehara Y, Sakahara H.

Jpn J Radiol. 2015 Feb;33(2):107-11. doi: 10.1007/s11604-014-0386-x. Epub 2014 Dec 28.


Pseudo-continuous arterial spin labeling reflects vascular density and differentiates angiomatous meningiomas from non-angiomatous meningiomas.

Koizumi S, Sakai N, Kawaji H, Takehara Y, Yamashita S, Sakahara H, Baba S, Hiramatsu H, Sameshima T, Namba H.

J Neurooncol. 2015 Feb;121(3):549-56. doi: 10.1007/s11060-014-1666-0. Epub 2014 Dec 6.


Characteristics of intra-left atrial flow dynamics and factors affecting formation of the vortex flow – analysis with phase-resolved 3-dimensional cine phase contrast magnetic resonance imaging.

Suwa K, Saitoh T, Takehara Y, Sano M, Nobuhara M, Saotome M, Urushida T, Katoh H, Satoh H, Sugiyama M, Wakayama T, Alley M, Sakahara H, Hayashi H.

Circ J. 2015;79(1):144-52. doi: 10.1253/circj.CJ-14-0562. Epub 2014 Nov 13.


Evaluation of the antiangiogenic effects of octreotide on growth hormone-producing pituitary adenoma using arterial spin-labeling perfusion imaging.

Sakai N, Yamashita S, Takehara Y, Sakahara H, Baba S, Oki Y, Takahashi G, Koizumi S, Sameshima T, Namba H.

Magn Reson Med Sci. 2015;14(1):73-6. doi: 10.2463/mrms.2014-0026. Epub 2014 Oct 27.


Functional, morphological and electrocardiographical abnormalities in patients with apical hypertrophic cardiomyopathy and apical aneurysm: correlation with cardiac MR.

Suwa K, Satoh H, Sano M, Nobuhara M, Saitoh T, Saotome M, Urushida T, Katoh H, Tawarahara K, Ohtani H, Wakabayashi Y, Takase H, Terada H, Takehara Y, Sakahara H, Hayashi H.

Open Heart. 2014 Aug 13;1(1):e000124. doi: 10.1136/openhrt-2014-000124. eCollection 2014.


Use of three-dimensional time-resolved phase-contrast magnetic resonance imaging with vastly undersampled isotropic projection reconstruction to assess renal blood flow in a renal cell carcinoma patient treated with sunitinib: a case report.

Takayama T, Takehara Y, Sugiyama M, Sugiyama T, Ishii Y, Johnson KE, Wieben O, Wakayama T, Sakahara H, Ozono S.

BMC Res Notes. 2014 Aug 14;7:527. doi: 10.1186/1756-0500-7-527.


Characteristics and clinical relevance of late gadolinium enhancement in cardiac magnetic resonance in patients with systemic sclerosis.

Sano M, Satoh H, Suwa K, Nobuhara M, Saitoh T, Saotome M, Urushida T, Katoh H, Shimoyama K, Suzuki D, Ogawa N, Takehara Y, Sakahara H, Hayashi H.

Heart Vessels. 2015 Nov;30(6):779-88. doi: 10.1007/s00380-014-0539-y. Epub 2014 Jul 5.


Relationship between uptake of a radioiodinated quinazoline derivative and radiosensitivity in non-small cell lung cancer.

Zhu HJ, Ogawa M, Magata Y, Hirata M, Ohmomo Y, Sakahara H.

Am J Nucl Med Mol Imaging. 2014 Jun 7;4(4):293-302. eCollection 2014.


Measurement of cutaneous lymphatic flow rates in patients with skin cancer: area extraction method.

Fujiwara M, Sawada M, Kasuya A, Matsushita Y, Yamada M, Fukamizu H, Magata Y, Tokura Y, Sakahara H.

J Dermatol. 2014 Jun;41(6):498-504. doi: 10.1111/1346-8138.12506.


Abnormal hemodynamics in the pulmonary artery seen on time-resolved 3-dimensional phase-contrast magnetic resonance imaging (4D-flow) in a young patient with idiopathic pulmonary arterial hypertension.

Odagiri K, Inui N, Miyakawa S, Hakamata A, Wei J, Takehara Y, Sakahara H, Sugiyama M, Alley MT, Tran QK, Watanabe H.

Circ J. 2014;78(7):1770-2. Epub 2014 Apr 30. No abstract available.


Hemodynamic assessment in a child with renovascular hypertension using time-resolved three-dimensional cine phase-contrast MRI.

Ishikawa T, Takehara Y, Yamashita S, Iwashima S, Sugiyama M, Wakayama T, Johnson K, Wieben O, Sakahara H, Ogata T.

J Magn Reson Imaging. 2015 Jan;41(1):165-8. doi: 10.1002/jmri.24522. Epub 2014 Feb 24.


Distribution of late gadolinium enhancement in end-stage hypertrophic cardiomyopathy and dilated cardiomyopathy: differential diagnosis and prediction of cardiac outcome.

Machii M, Satoh H, Shiraki K, Saotome M, Urushida T, Katoh H, Takehara Y, Sakahara H, Ohtani H, Wakabayashi Y, Ukigai H, Tawarahara K, Hayashi H.

Magn Reson Imaging. 2014 Feb;32(2):118-24. doi: 10.1016/j.mri.2013.10.011. Epub 2013 Oct 22.


Evaluation of tumor blood flow after feeder embolization in meningiomas by arterial spin-labeling perfusion magnetic resonance imaging.

Kawaji H, Koizumi S, Sakai N, Yamasaki T, Hiramatsu H, Kanoko Y, Kamiya M, Yamashita S, Takehara Y, Sakahara H, Namba H.

J Neuroradiol. 2013 Oct;40(4):303-6. doi: 10.1016/j.neurad.2013.04.005. Epub 2013 Oct 4.


Assessment of epidermal growth factor receptor status in glioblastomas.

Zhu HJ, Ogawa M, Magata Y, Hirata M, Ohmomo Y, Namba H, Sakahara H.

Asia Ocean J Nucl Med Biol. 2013 Fall;1(2):47-52.


Hemodynamic assessment of celiaco-mesenteric anastomosis in patients with pancreaticoduodenal artery aneurysm concomitant with celiac artery occlusion using flow-sensitive four-dimensional magnetic resonance imaging.

Mano Y, Takehara Y, Sakaguchi T, Alley MT, Isoda H, Shimizu T, Wakayama T, Sugiyama M, Sakahara H, Konno H, Unno N.

Eur J Vasc Endovasc Surg. 2013 Sep;46(3):321-8. doi: 10.1016/j.ejvs.2013.06.011. Epub 2013 Jul 21.


Accurate determination of patient-specific boundary conditions in computational vascular hemodynamics using 3D cine phase-contrast MRI.

Onishi Y, Aoki K, Amaya K, Shimizu T, Isoda H, Takehara Y, Sakahara H, Kosugi T.

Int J Numer Method Biomed Eng. 2013 Oct;29(10):1089-103. doi: 10.1002/cnm.2562. Epub 2013 Jun 4.


Clinical results after the multidisciplinary treatment of spinal arteriovenous fistulas.

Inagawa S, Yamashita S, Hiramatsu H, Kamiya M, Tanaka T, Sakahara H, Aoyama H.

Jpn J Radiol. 2013 Jul;31(7):455-64. doi: 10.1007/s11604-013-0216-6. Epub 2013 May 31.


Arterial spin-labeled perfusion imaging reflects vascular density in nonfunctioning pituitary macroadenomas.

Sakai N, Koizumi S, Yamashita S, Takehara Y, Sakahara H, Baba S, Oki Y, Hiramatsu H, Namba H.

AJNR Am J Neuroradiol. 2013 Nov-Dec;34(11):2139-43. doi: 10.3174/ajnr.A3564. Epub 2013 May 30.


Two cases of diabetic mastopathy: MR imaging and pathological correlation.

Nasu H, Ikeda A, Ogura H, Teruya C, Koizumi K, Kinoshita M, Tsuchida T, Baba S, Miura K, Takehara Y, Sakahara H.

Breast Cancer. 2015 Sep;22(5):552-6. doi: 10.1007/s12282-012-0407-5. Epub 2012 Sep 14.


A case of paraspinal arteriovenous fistula in the lumbar spinal body assessed with time resolved three-dimensional phase contrast MRI.

Iwakura T, Takehara Y, Yamashita S, Nasu H, Unno N, Nishiyama M, Yamamoto N, Isoda H, Alley M, Konno H, Sakahara H.

J Magn Reson Imaging. 2012 Nov;36(5):1231-3. doi: 10.1002/jmri.23732. Epub 2012 Jun 25.


Time-resolved optical mammography and its preliminary clinical results.

Ueda Y, Yoshimoto K, Ohmae E, Suzuki T, Yamanaka T, Yamashita D, Ogura H, Teruya C, Nasu H, Ima E, Sakahara H, Oda M, Yamashita Y.

Technol Cancer Res Treat. 2011 Oct;10(5):393-401.


Magnetic resonance angiography of the aorta.

Takehara Y, Yamashita S, Sakahara H, Masui T, Isoda H.

Ann Vasc Dis. 2011;4(4):271-85. doi: 10.3400/avd.di.11.00822. Epub 2011 Nov 30.


Vasodilator stress impairs the left ventricular function obtained with gated single-photon emission computed tomography in patients with known or suspected coronary artery disease.

Odagiri K, Machii M, Tanaka T, Uehara A, Kurata C, Sakahara H, Takehara Y, Saotome M, Urushida T, Katoh H, Satoh H, Hayashi H.

Circ J. 2010 Nov;74(12):2666-73. Epub 2010 Oct 19. Erratum in: Circ J. 2013;77(6):1644. Machii, Masashi [added]; Tanaka, Takamitsu [added]; Sakahara, Harumi [added]; Takehara, Yasuo [added]; Saotome, Masao [added]; Urushida, Tsuyoshi [added]; Katoh, Hideki [added]; Satoh, Hiroshi [added]; Hayashi, Hideharu [added].


Comparison of global and regional abnormalities in 99mTc-sestamibi and cardiac magnetic resonance imaging in dilated cardiomyopathy.

Shiraki K, Satoh H, Saitoh T, Saotome M, Urushida T, Katoh H, Takehara Y, Sakahara H, Hayashi H.

J Card Fail. 2010 Aug;16(8):641-8. doi: 10.1016/j.cardfail.2010.03.004. Epub 2010 Apr 9.


Synthesis, in vitro and in vivo studies of Gd-DTPA-XDA-D1-Glc(OH) complex as a new potential MRI contrast agent.

Ozaki N, Sankar AU, Yamashita M, Aoki T, Tanaka Y, Kimura M, Toda M, Fujie M, Takehara Y, Sakahara H.

Bioorg Med Chem Lett. 2010 Feb 1;20(3):932-4. doi: 10.1016/j.bmcl.2009.12.067. Epub 2009 Dec 28.


In vivo hemodynamic analysis of intracranial aneurysms obtained by magnetic resonance fluid dynamics (MRFD) based on time-resolved three-dimensional phase-contrast MRI.

Isoda H, Ohkura Y, Kosugi T, Hirano M, Takeda H, Hiramatsu H, Yamashita S, Takehara Y, Alley MT, Bammer R, Pelc NJ, Namba H, Sakahara H.

Neuroradiology. 2010 Oct;52(10):921-8. doi: 10.1007/s00234-009-0635-3. Epub 2009 Dec 11.


Comparison of hemodynamics of intracranial aneurysms between MR fluid dynamics using 3D cine phase-contrast MRI and MR-based computational fluid dynamics.

Isoda H, Ohkura Y, Kosugi T, Hirano M, Alley MT, Bammer R, Pelc NJ, Namba H, Sakahara H.

Neuroradiology. 2010 Oct;52(10):913-20. doi: 10.1007/s00234-009-0634-4. Epub 2009 Dec 5.


Radiological response and clinical outcome in patients with femoral bone metastases after radiotherapy.

Harada H, Katagiri H, Kamata M, Yoshioka Y, Asakura H, Hashimoto T, Furutani K, Takahashi M, Sakahara H, Nishimura T.

J Radiat Res. 2010;51(2):131-6. Epub 2009 Nov 23.


Metabolite alterations in the hippocampus of high-functioning adult subjects with autism.

Suzuki K, Nishimura K, Sugihara G, Nakamura K, Tsuchiya KJ, Matsumoto K, Takebayashi K, Isoda H, Sakahara H, Sugiyama T, Tsujii M, Takei N, Mori N.

Int J Neuropsychopharmacol. 2010 May;13(4):529-34. doi: 10.1017/S1461145709990952. Epub 2009 Nov 9.


[Hemodynamic analysis of intracranial aneurysms].

Isoda H, Takeda H, Yamashita S, Takehara Y, Sakahara H, Hiramatsu H, Namba H, Hirano M, Okhura Y, Kosugi T, Alley MT.

No Shinkei Geka. 2009 Sep;37(9):836-45. Review. Japanese. No abstract available.


Laparotomized direct puncture for embolization of a retroperitoneal arteriovenous fistula.

Inagawa S, Unno N, Yamashita S, Tanaka H, Sakahara H.

Cardiovasc Intervent Radiol. 2010 Feb;33(1):191-5. doi: 10.1007/s00270-009-9643-2. Epub 2009 Jul 23.


Delayed enhancement on cardiac magnetic resonance and clinical, morphological, and electrocardiographical features in hypertrophic cardiomyopathy.

Satoh H, Matoh F, Shiraki K, Saitoh T, Odagiri K, Saotome M, Urushida T, Katoh H, Takehara Y, Sakahara H, Hayashi H.

J Card Fail. 2009 Jun;15(5):419-27. doi: 10.1016/j.cardfail.2008.11.014. Epub 2009 Jan 20.


Voxel-based structural magnetic resonance imaging (MRI) study of patients with early onset schizophrenia.

Yoshihara Y, Sugihara G, Matsumoto H, Suckling J, Nishimura K, Toyoda T, Isoda H, Tsuchiya KJ, Takebayashi K, Suzuki K, Sakahara H, Nakamura K, Mori N, Takei N.

Ann Gen Psychiatry. 2008 Dec 22;7:25. doi: 10.1186/1744-859X-7-25.


The usefulness of delayed enhancement magnetic resonance imaging for diagnosis and evaluation of cardiac function in patients with cardiac sarcoidosis.

Matoh F, Satoh H, Shiraki K, Odagiri K, Saitoh T, Urushida T, Katoh H, Takehara Y, Sakahara H, Hayashi H.

J Cardiol. 2008 Jun;51(3):179-88. doi: 10.1016/j.jjcc.2008.03.002. Epub 2008 Apr 24.

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