Ryuichi Nishii

Nagoya, Japan

Last Updated: 09/26/2026

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Found 87 publications

Comparison of alpha-particle track characteristics in GAGG and biological tissues for microdosimetry using experimentally validated GATE simulations with high-resolution track imaging.

Comparison of alpha-particle track characteristics in GAGG and biological tissues for microdosimetry using experimentally validated GATE simulations with high-resolution track imaging.

Journal: Physics in medicine and biology

Published: March 19, 2026

A narrative review: key evidence from meta-analyses in nuclear medicine.

A narrative review: key evidence from meta-analyses in nuclear medicine.

Journal: Annals of nuclear medicine

Published: March 14, 2026

Development of a novel xCT transporter imaging using a radiopharmaceutical with inhibitor-type compounds.

Development of a novel xCT transporter imaging using a radiopharmaceutical with inhibitor-type compounds.

Journal: Nuclear medicine and biology

Published: December 27, 2025

Impact of simulation settings, time-activity curve integration range, and imaging time points on full Monte Carlo-based 177Lu-DOTATATE dosimetry.

Impact of simulation settings, time-activity curve integration range, and imaging time points on full Monte Carlo-based 177Lu-DOTATATE dosimetry.

Journal: Annals of nuclear medicine

Published: October 13, 2025

Inter-institutional variability in kidney dosimetry during 177Lu-DOTATATE therapy in Japan.

Inter-institutional variability in kidney dosimetry during 177Lu-DOTATATE therapy in Japan.

Journal: Radiological physics and technology

Published: September 06, 2025

Development of glycoside-based nuclear medicine imaging agents for the sodium-glucose co-transporters in cancer cells.

Development of glycoside-based nuclear medicine imaging agents for the sodium-glucose co-transporters in cancer cells.

Journal: Nuclear medicine and biology

Published: August 26, 2025

Predictive factors for the efficacy of radioiodine therapy in patients with Graves' disease.

Predictive factors for the efficacy of radioiodine therapy in patients with Graves' disease.

Journal: Nuclear medicine communications

Published: May 21, 2025

Feasibility of real-time monitoring for administered activity during Lu-177 infusion by imaging the administration site using a pinhole gamma camera: a Monte Carlo study.

Feasibility of real-time monitoring for administered activity during Lu-177 infusion by imaging the administration site using a pinhole gamma camera: a Monte Carlo study.

Journal: Nuclear medicine communications

Published: May 14, 2025

Expanding the therapeutic horizon of 177Lu-DOTATATE: a review of current evidence.

Expanding the therapeutic horizon of 177Lu-DOTATATE: a review of current evidence.

Journal: Nagoya journal of medical science

Published: April 24, 2025

A novel method for measuring the backscatter factor on a curved surface for diagnostic X-rays using a flexible scintillator sheet.

A novel method for measuring the backscatter factor on a curved surface for diagnostic X-rays using a flexible scintillator sheet.

Journal: Physical and engineering sciences in medicine

Published: April 23, 2025

1. Development and Clinical Application Prospects of Nuclear Medicine Therapy

1. Development and Clinical Application Prospects of Nuclear Medicine Therapy

Journal: Nihon Hoshasen Gijutsu Gakkai zasshi

Published: April 20, 2025

Prognostic value of pre-treatment metabolic tumor volume on [S‑methyl‑11C]‑L‑methionine PET/CT in patients with local non-small cell lung carcinoma treated with single-fraction carbon-ion radiotherapy.

Prognostic value of pre-treatment metabolic tumor volume on [S‑methyl‑11C]‑L‑methionine PET/CT in patients with local non-small cell lung carcinoma treated with single-fraction carbon-ion radiotherapy.

Journal: Annals of nuclear medicine

Published: March 26, 2025

Showing 1-12 of 87

Last Updated: 09/26/2026