Zobrazeno 1 - 10
of 49
pro vyhledávání: '"Akihiro Takaki"'
Publikováno v:
EJNMMI Research, Vol 12, Iss 1, Pp 1-12 (2022)
Abstract Background We hypothesised that the radiomics signature, which includes texture information of dopamine transporter single-photon emission computed tomography (DAT-SPECT) images for Parkinson’s disease (PD), may assist semi-quantitative in
Externí odkaz:
https://doaj.org/article/be921e661af748bdb542d9e585f9434b
Publikováno v:
PLoS ONE, Vol 15, Iss 1, p e0228289 (2020)
OBJECTIVE:To assess the classification performance between Parkinson's disease (PD) and normal control (NC) when semi-quantitative indicators and shape features obtained on dopamine transporter (DAT) single photon emission computed tomography (SPECT)
Externí odkaz:
https://doaj.org/article/92250332fb794efa963b4080e2f3bd3f
Publikováno v:
Asia Oceania Journal of Nuclear Medicine and Biology, Vol 6, Iss 2, Pp 129-138 (2018)
Objective(s): We recently developed a new uptake index method for123I-metaiodobenzylguanidine (123I-MIBG) heart uptake measurements by using planarimages (radioisotope angiography and planar image) for the diagnosis of Lewy bodydisease (LBD), includi
Externí odkaz:
https://doaj.org/article/65d1ac83c0fd4bf687d9fa5a36f68788
Publikováno v:
Asia Oceania Journal of Nuclear Medicine and Biology, Vol 6, Iss 1, Pp 50-56 (2018)
Objective: We developed a simple non-invasive I-123-N-isopropyl-p-iodoamphetamine (123I-IMP) quantification method by analyzing chest RI-angiography and single photon emission computed tomography (SPECT) images based on the microsphere model (SIMS me
Externí odkaz:
https://doaj.org/article/824219a39a6d48b6a00af1ce25126855
Publikováno v:
Asia Oceania Journal of Nuclear Medicine and Biology, Vol 5, Iss 1, Pp 37-43 (2017)
Objective(s): Iodine-123 metaiodobenzylguanidine (123I-MIBG) myocardial scintigraphy has been used to evaluate cardiac sympathetic denervation in Lewy body disease (LBD), including Parkinson’s disease (PD) and dementia with Lewy bodies (DLB). The h
Externí odkaz:
https://doaj.org/article/da70ead5830b4a0e96701757ef264325
Autor:
Rieko Nagaoka, Asato Ofuji, Kosuke Yamashita, Taeko Tomimatsu, Shinnichi Orita, Akihiro Takaki, Yoshikazu Uchiyama, Shigeki Ito
Publikováno v:
Asia Oceania Journal of Nuclear Medicine and Biology, Vol 3, Iss 2, Pp 77-82 (2015)
Objective(s): Improved brain uptake ratio (IBUR), employing 99mTc-ethyl cysteinate dimer (99mTc-ECD), is an automatic non-invasive method for quantitatively measuring regional cerebral blood flow (rCBF). This method was developed by the reconstructio
Externí odkaz:
https://doaj.org/article/b1fb0f766c444b7a8662b4a87649af75
Autor:
Akihiro Takaki, Masataka Kadota, Kensuke Nakanishi, Yutaka Nakasone, Reiki Sakata, Shigeki Ito
Publikováno v:
Japanese Journal of Radiological Technology. 73:12-19
Purpose 67Ga-single photon emission computed tomography (SPECT) images vary according to the imaging time and image display methods. The calculation of an index, such as the standardized uptake value used in positron emission tomography, from 67Ga-SP
Autor:
Asato Ofuji, Hiroaki Mimura, Yoshikazu Uchiyama, Teruki Sone, Shigeki Ito, Akihiro Takaki, Kosuke Yamashita, Shintaro Okumiya
Publikováno v:
Physica Medica. 32:1180-1185
We recently developed a simple noninvasive (123)I-IMP microsphere (SIMS) method using chest dynamic planar images and brain single photon emission computed tomography. The SIMS method is an automatic analysis method, except for the process of setting
Publikováno v:
Annals of Nuclear Medicine. 30:242-249
In clinical practice, measurement of the rCBF has mainly been conducted by I-123-N-isopropyl-p-iodoamphetamine (123I-IMP) SPECT using the microsphere (MS) method, with continuous arterial blood sampling. While several non-invasive 123I-IMP quantifica
Publikováno v:
Chemistry Letters. 45:1397-1399
Multistimuli-responsive polymer films incorporating cationic spiropyran are demonstrated based on a Nafion membrane. The films exhibit color changes between yellow and red under photoirradiation, temperature changes, and application of pressure. Thes