Toshihiko Sakai

1 Division Of Head And Neck
Tokyo, Japan

Last Updated: 09/26/2026

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Found 24 publications

Financial and documentation-related workload impact of ERAS implementation in major head and neck surgery with free flap reconstruction under the Japanese DPC system.

Financial and documentation-related workload impact of ERAS implementation in major head and neck surgery with free flap reconstruction under the Japanese DPC system.

Journal: International journal of clinical oncology

Published: March 20, 2026

Head and neck cancer of unknown primary: a nationwide analysis of hospital-based cancer registry data in Japan, 2018-2022.

Head and neck cancer of unknown primary: a nationwide analysis of hospital-based cancer registry data in Japan, 2018-2022.

Journal: International journal of clinical oncology

Published: December 11, 2025

Feasibility of ensuring surgical margins of transoral robotic surgery for lateral oropharyngectomy for p16-positive oropharyngeal squamous cell carcinoma patients compared with non-robotic surgery: A single-center, retrospective study.

Feasibility of ensuring surgical margins of transoral robotic surgery for lateral oropharyngectomy for p16-positive oropharyngeal squamous cell carcinoma patients compared with non-robotic surgery: A single-center, retrospective study.

Journal: Auris, nasus, larynx

Published: November 12, 2025

Impact of Neoadjuvant Docetaxel, Cisplatin, and 5-Fluorouracil Therapy on Synchronous Early-Stage Oropharyngeal/Hypopharyngeal Cancer in Patients With Esophageal Cancer.

Impact of Neoadjuvant Docetaxel, Cisplatin, and 5-Fluorouracil Therapy on Synchronous Early-Stage Oropharyngeal/Hypopharyngeal Cancer in Patients With Esophageal Cancer.

Journal: Head & neck

Published: November 04, 2025

History of Head and Neck Cancer as a Predictor of Recurrence and Second Primary Tumors After Transoral Videolaryngoscopic Surgery in Patients With Hypopharyngeal Squamous Cell Carcinoma.

History of Head and Neck Cancer as a Predictor of Recurrence and Second Primary Tumors After Transoral Videolaryngoscopic Surgery in Patients With Hypopharyngeal Squamous Cell Carcinoma.

Journal: Head & neck

Published: October 11, 2025

Salvage surgery following boron neutron capture therapy in a case of recurrent hypopharyngeal cancer after radiotherapy: Surgical and pathological insights.

Salvage surgery following boron neutron capture therapy in a case of recurrent hypopharyngeal cancer after radiotherapy: Surgical and pathological insights.

Journal: Auris, nasus, larynx

Published: October 03, 2025

Subsite- and histology-specific epidemiology of head and neck cancers in Japan from 2016 to 2019: an application of a new classification of rare cancers.

Subsite- and histology-specific epidemiology of head and neck cancers in Japan from 2016 to 2019: an application of a new classification of rare cancers.

Journal: International journal of clinical oncology

Published: September 19, 2025

Newly formed adrenergic nerve fibers and perineural invasion in head and neck squamous cell carcinoma: a multicohort study.

Newly formed adrenergic nerve fibers and perineural invasion in head and neck squamous cell carcinoma: a multicohort study.

Journal: Japanese journal of clinical oncology

Published: March 07, 2025

Prognostic prediction using recursive partitioning analysis of patients undergoing salvage surgery for locally recurrent oral squamous cell carcinoma.

Prognostic prediction using recursive partitioning analysis of patients undergoing salvage surgery for locally recurrent oral squamous cell carcinoma.

Journal: International journal of clinical oncology

Published: November 18, 2024

NKX3.1 Helps Distinguish Hyalinizing Clear Cell Carcinoma From Other Clear Cell Salivary Gland Neoplasms.

NKX3.1 Helps Distinguish Hyalinizing Clear Cell Carcinoma From Other Clear Cell Salivary Gland Neoplasms.

Journal: Laboratory investigation; a journal of technical methods and pathology

Published: July 09, 2024

An Institutional Experience of Core Needle Biopsy with Cooperative Implementation by Pathologists and Head and Neck Oncologists in Salivary Gland Carcinoma.

An Institutional Experience of Core Needle Biopsy with Cooperative Implementation by Pathologists and Head and Neck Oncologists in Salivary Gland Carcinoma.

Journal: Head and neck pathology

Published: July 08, 2024

EGR1-BDNF-Linking Crosstalk Between Cancer Cells and Nerves for Perineural Invasion in Salivary Duct Carcinoma: Comparison of Salivary Duct Carcinoma De Novo and Ex Pleomorphic Adenoma.

EGR1-BDNF-Linking Crosstalk Between Cancer Cells and Nerves for Perineural Invasion in Salivary Duct Carcinoma: Comparison of Salivary Duct Carcinoma De Novo and Ex Pleomorphic Adenoma.

Journal: Laboratory investigation; a journal of technical methods and pathology

Published: May 20, 2024

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Last Updated: 09/26/2026