Okamoto S - Search Results

1

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.

2

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

3

[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.

4

A novel PET scanner with semiconductor detectors may improve diagnostic accuracy in the metastatic survey of head and neck cancer patients.

Takei T, Shiga T, Morimoto Y, Takeuchi W, Umegaki K, Matsuzaki K, Okamoto S, Magota K, Hara T, Fukuda S, Tamaki N. Takei T, et al. Among authors: okamoto s. Ann Nucl Med. 2013 Jan;27(1):17-24. doi: 10.1007/s12149-012-0654-8. Epub 2012 Nov 3. Ann Nucl Med. 2013. PMID: 23124525 Clinical Trial.

5

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.

6

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

7

FDG PET performed at thyroid remnant ablation has a higher predictive value for long-term survival of high-risk patients with well-differentiated thyroid cancer than radioiodine uptake.

Gaertner FC, Okamoto S, Shiga T, Ito YM, Uchiyama Y, Manabe O, Hattori N, Tamaki N. Gaertner FC, et al. Among authors: okamoto s. Clin Nucl Med. 2015 May;40(5):378-83. doi: 10.1097/RLU.0000000000000699. Clin Nucl Med. 2015. PMID: 25608175

8

Metabolic Activity of Red Nucleus and Its Correlation with Cerebral Cortex and Cerebellum: A Study Using a High-Resolution Semiconductor PET System.

Hirata K, Hattori N, Takeuchi W, Shiga T, Morimoto Y, Umegaki K, Kobayashi K, Manabe O, Okamoto S, Tamaki N. Hirata K, et al. Among authors: okamoto s. J Nucl Med. 2015 Aug;56(8):1206-11. doi: 10.2967/jnumed.114.152504. Epub 2015 Jun 4. J Nucl Med. 2015. PMID: 26045313 Free article.

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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