Okamoto S - Search Results

1

Biodistribution and radiation dosimetry of the novel hypoxia PET probe [¹⁸F]DiFA and comparison with [¹⁸F]FMISO.

Watanabe S, Shiga T, Hirata K, Magota K, Okamoto S, Toyonaga T, Higashikawa K, Yasui H, Kobayashi J, Nishijima KI, Iseki K, Matsumoto H, Kuge Y, Tamaki N. Watanabe S, et al. Among authors: okamoto s. EJNMMI Res. 2019 Jul 5;9(1):60. doi: 10.1186/s13550-019-0525-6. EJNMMI Res. 2019. PMID: 31278504 Free PMC article.

2

Combination of FDG-PET and FMISO-PET as a treatment strategy for patients undergoing early-stage NSCLC stereotactic radiotherapy.

Watanabe S, Inoue T, Okamoto S, Magota K, Takayanagi A, Sakakibara-Konishi J, Katoh N, Hirata K, Manabe O, Toyonaga T, Kuge Y, Shirato H, Tamaki N, Shiga T. Watanabe S, et al. Among authors: okamoto s. EJNMMI Res. 2019 Dec 4;9(1):104. doi: 10.1186/s13550-019-0578-6. EJNMMI Res. 2019. PMID: 31802264 Free PMC article.

3

Biodistribution and internal radiation dosimetry of a novel probe for thymidine phosphorylase imaging, [¹²³I]IIMU, in healthy volunteers.

Watanabe S, Nishijima KI, Okamoto S, Magota K, Hirata K, Toyonaga T, Shiga T, Kuge Y, Tamaki N. Watanabe S, et al. Among authors: okamoto s. Ann Nucl Med. 2020 Aug;34(8):595-599. doi: 10.1007/s12149-020-01469-4. Epub 2020 May 2. Ann Nucl Med. 2020. PMID: 32361818 Clinical Trial.

4

Semiquantitative analysis of C-11 methionine PET may distinguish brain tumor recurrence from radiation necrosis even in small lesions.

Okamoto S, Shiga T, Hattori N, Kubo N, Takei T, Katoh N, Sawamura Y, Nishijima K, Kuge Y, Tamaki N. Okamoto S, et al. Ann Nucl Med. 2011 Apr;25(3):213-20. doi: 10.1007/s12149-010-0450-2. Epub 2010 Dec 28. Ann Nucl Med. 2011. PMID: 21188660

5

[18F]fluoromisonidazole and a new PET system with semiconductor detectors and a depth of interaction system for intensity modulated radiation therapy for nasopharyngeal cancer.

Yasuda K, Onimaru R, Okamoto S, Shiga T, Katoh N, Tsuchiya K, Suzuki R, Takeuchi W, Kuge Y, Tamaki N, Shirato H. Yasuda K, et al. Among authors: okamoto s. Int J Radiat Oncol Biol Phys. 2013 Jan 1;85(1):142-7. doi: 10.1016/j.ijrobp.2012.03.029. Epub 2012 May 13. Int J Radiat Oncol Biol Phys. 2013. PMID: 22583608 Free article.

6

High reproducibility of tumor hypoxia evaluated by 18F-fluoromisonidazole PET for head and neck cancer.

Okamoto S, Shiga T, Yasuda K, Ito YM, Magota K, Kasai K, Kuge Y, Shirato H, Tamaki N. Okamoto S, et al. J Nucl Med. 2013 Feb;54(2):201-7. doi: 10.2967/jnumed.112.109330. Epub 2013 Jan 15. J Nucl Med. 2013. PMID: 23321456 Free article.

7

18F-fluoromisonidazole PET uptake is correlated with hypoxia-inducible factor-1α expression in oral squamous cell carcinoma.

Sato J, Kitagawa Y, Yamazaki Y, Hata H, Okamoto S, Shiga T, Shindoh M, Kuge Y, Tamaki N. Sato J, et al. Among authors: okamoto s. J Nucl Med. 2013 Jul;54(7):1060-5. doi: 10.2967/jnumed.112.114355. Epub 2013 May 22. J Nucl Med. 2013. PMID: 23699668 Free article.

8

Advantage of FMISO-PET over FDG-PET for predicting histological response to preoperative chemotherapy in patients with oral squamous cell carcinoma.

Sato J, Kitagawa Y, Yamazaki Y, Hata H, Asaka T, Miyakoshi M, Okamoto S, Shiga T, Shindoh M, Kuge Y, Tamaki N. Sato J, et al. Among authors: okamoto s. Eur J Nucl Med Mol Imaging. 2014 Nov;41(11):2031-41. doi: 10.1007/s00259-014-2810-y. Epub 2014 May 28. Eur J Nucl Med Mol Imaging. 2014. PMID: 24867258

9

The reoxygenation of hypoxia and the reduction of glucose metabolism in head and neck cancer by fractionated radiotherapy with intensity-modulated radiation therapy.

Okamoto S, Shiga T, Yasuda K, Watanabe S, Hirata K, Nishijima KI, Magota K, Kasai K, Onimaru R, Tuchiya K, Kuge Y, Shirato H, Tamaki N. Okamoto S, et al. Eur J Nucl Med Mol Imaging. 2016 Nov;43(12):2147-2154. doi: 10.1007/s00259-016-3431-4. Epub 2016 Jun 1. Eur J Nucl Med Mol Imaging. 2016. PMID: 27251644 Clinical Trial.

10

¹⁸F-Fluoromisonidazole positron emission tomography (FMISO-PET) may reflect hypoxia and cell proliferation activity in oral squamous cell carcinoma.

Sato J, Kitagawa Y, Watanabe S, Asaka T, Ohga N, Hirata K, Okamoto S, Shiga T, Shindoh M, Kuge Y, Tamaki N. Sato J, et al. Among authors: okamoto s. Oral Surg Oral Med Oral Pathol Oral Radiol. 2017 Sep;124(3):261-270. doi: 10.1016/j.oooo.2017.05.506. Epub 2017 Jun 8. Oral Surg Oral Med Oral Pathol Oral Radiol. 2017. PMID: 28734696

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