Kohei Okada

Yokohama, Japan

Last Updated: 09/26/2026

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Found 25 publications

Does PSA Nadir + 2 ng/mL Always Indicate Biochemical Recurrence? A PSA Kinetics-Based Evaluation Following Carbon Ion Radiotherapy for Localized High-Risk Prostate Cancer.

Does PSA Nadir + 2 ng/mL Always Indicate Biochemical Recurrence? A PSA Kinetics-Based Evaluation Following Carbon Ion Radiotherapy for Localized High-Risk Prostate Cancer.

Journal: Cancers

Published: July 30, 2025

Asymptomatic Bladder Stones Exacerbate Acute Genitourinary Adverse Events During Radiation Therapy for Prostate Cancer: Insights From Two Case Reports.

Asymptomatic Bladder Stones Exacerbate Acute Genitourinary Adverse Events During Radiation Therapy for Prostate Cancer: Insights From Two Case Reports.

Journal: Advances in radiation oncology

Published: February 28, 2025

Changes in Osteoblastic Bone Metastasis Detected Incidentally by Cone-Beam Computed Tomography: A Case Report.

Changes in Osteoblastic Bone Metastasis Detected Incidentally by Cone-Beam Computed Tomography: A Case Report.

Journal: Case reports in oncology

Published: January 29, 2025

Carbon-Ion Radiotherapy as a Local Treatment Option for Hepatocellular Carcinoma With Child-Pugh Class B Cirrhosis.

Carbon-Ion Radiotherapy as a Local Treatment Option for Hepatocellular Carcinoma With Child-Pugh Class B Cirrhosis.

Journal: Advances in radiation oncology

Published: January 27, 2025

Cribriform Pattern Is a Predictive Factor of PSA Recurrence in Patients Receiving Radiotherapy After Prostatectomy.

Cribriform Pattern Is a Predictive Factor of PSA Recurrence in Patients Receiving Radiotherapy After Prostatectomy.

Journal: Cancer diagnosis & prognosis

Published: June 03, 2024

The association between initiation weekday of radiotherapy and local control in stage 1 glottic carcinoma: a retrospective analysis.

The association between initiation weekday of radiotherapy and local control in stage 1 glottic carcinoma: a retrospective analysis.

Journal: Journal of radiation research

Published: May 01, 2024

Recurrence Pattern, Treatment Modalities, and Prognostic Factors After Definitive Chemoradiotherapy for Recurrent Esophageal Cancer.

Recurrence Pattern, Treatment Modalities, and Prognostic Factors After Definitive Chemoradiotherapy for Recurrent Esophageal Cancer.

Journal: Journal of gastrointestinal cancer

Published: January 07, 2024

Tolerability of sotorasib for KRAS positive lung adenocarcinoma patient with pre-existing interstitial pneumonia; A case report.

Tolerability of sotorasib for KRAS positive lung adenocarcinoma patient with pre-existing interstitial pneumonia; A case report.

Journal: Respiratory medicine case reports

Published: July 01, 2023

Clinical Outcomes of Radiotherapy for Stage 1 Glottic Carcinoma: Comparing Accelerated Hyperfractionation and Once-daily Fractionation.

Clinical Outcomes of Radiotherapy for Stage 1 Glottic Carcinoma: Comparing Accelerated Hyperfractionation and Once-daily Fractionation.

Journal: In vivo (Athens, Greece)

Published: June 11, 2023

The efficacy of radiation therapy using the Quad Shot regimen in cutaneous metastasis from parotid gland cancer: A case report.

The efficacy of radiation therapy using the Quad Shot regimen in cutaneous metastasis from parotid gland cancer: A case report.

Journal: Clinical case reports

Published: May 10, 2023

Efficacy of immune checkpoint inhibitor treatment for head and neck mucosal melanoma recurrence in patients treated with carbon-ion radiotherapy.

Efficacy of immune checkpoint inhibitor treatment for head and neck mucosal melanoma recurrence in patients treated with carbon-ion radiotherapy.

Journal: Cancer reports (Hoboken, N.J.)

Published: February 02, 2023

Successful Preoperative QUAD SHOT for Bulky Parotid Carcinoma: Potential Preoperative Ultra-Hypofractionated Radiotherapy for Conversion Surgery.

Successful Preoperative QUAD SHOT for Bulky Parotid Carcinoma: Potential Preoperative Ultra-Hypofractionated Radiotherapy for Conversion Surgery.

Journal: Case reports in oncology

Published: October 07, 2022

Showing 1-12 of 25

Last Updated: 09/26/2026