Tadayuki Kotsuma

ORCID: 0000-0003-1654-8567
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About
Contact & Profiles
Research Areas
  • Endometrial and Cervical Cancer Treatments
  • Advanced Radiotherapy Techniques
  • Head and Neck Cancer Studies
  • Prostate Cancer Treatment and Research
  • Prostate Cancer Diagnosis and Treatment
  • Ovarian cancer diagnosis and treatment
  • Breast Cancer Treatment Studies
  • Management of metastatic bone disease
  • Brain Metastases and Treatment
  • Uterine Myomas and Treatments
  • Breast Implant and Reconstruction
  • Head and Neck Surgical Oncology
  • Effects of Radiation Exposure
  • Ear and Head Tumors
  • Nonmelanoma Skin Cancer Studies
  • Angiogenesis and VEGF in Cancer
  • Cancer-related molecular mechanisms research
  • Breast Lesions and Carcinomas
  • Meningioma and schwannoma management
  • Cancer Diagnosis and Treatment
  • Neurofibromatosis and Schwannoma Cases
  • Colorectal and Anal Carcinomas
  • Cervical Cancer and HPV Research
  • Oral health in cancer treatment
  • Sarcoma Diagnosis and Treatment

Osaka National Hospital
2016-2025

Osaka Rosai Hospital
2022-2025

Kansai Medical University
2022

Takarazuka City Hospital
2020-2021

National Kinki Chuo Hospital for Chest Disease
2012-2013

Osaka University
2008-2011

The purpose of this study was to examine the prognosis for patients with head and neck cancer after reirradiation using Cyberknife stereotactic body irradiation special focus on mucosal ulceration. We conducted a retrospective multi-institutional review 107 previously irradiated cancer. median follow-up time all 15 months, 2-year overall survival rate 35%. Significant prognostic factors were primary site (nasopharynx versus other sites), presence ulceration, PTV volume. Detailed analysis...

10.1093/jrr/rrw004 article EN cc-by-nc Journal of Radiation Research 2016-03-17

To assess inter-observer variability in delineating target volume and organs at risk benign tumor adjacent to optic tract as a quality assurance exercise. We quantitatively analyzed 21 plans made by 11 clinicians seven CyberKnife centers. The were provided with raw data set (pituitary adenoma meningioma) including clinical information, asked delineate the lesions create treatment plan. Their contouring (10 meningioma plans), then compared. In addition, we estimated influence of differences...

10.1186/1748-717x-6-10 article EN cc-by Radiation Oncology 2011-01-27

ObjectiveTo retrospectively examine the outcomes of hypofractionated stereotactic radiation therapy in three to five fractions for vestibular schwannomas.

10.1093/jjco/hyt082 article EN Japanese Journal of Clinical Oncology 2013-06-17

Background/Objectives: To evaluate the efficacy and safety of unique magnetic resonance imaging (MRI)-guided interstitial brachytherapy (ISBT) for locally advanced cervical cancer that is unsuitable intracavitary (ICBT) or intracavitary/interstitial (ICISBT). Methods: We analyzed clinical outcomes, including toxicity, 68 previously untreated patients with treated between 2014 2024. Results: The median high-risk target volume (HR-CTV) was 53.20 cc (range, 16.34–147.03 cc) at ISBT....

10.20944/preprints202501.1241.v1 preprint EN 2025-01-17

Background/Objectives To evaluate the efficacy and safety of unique magnetic resonance imaging (MRI)-guided interstitial brachytherapy (ISBT) for locally advanced cervical cancer that is unsuitable intracavitary (ICBT) or intracavitary/interstitial (ICISBT). Methods: We analyzed clinical outcomes, including toxicity, 68 previously untreated patients with treated between 2014 2024. Results: The median high-risk target volume (HR-CTV) was 53.20 cc (range, 16.34-147.03 cc) ISBT. With a...

10.3390/cancers17050770 article EN Cancers 2025-02-24

This study showed long-term clinical results and quantitative dose-volume evaluation of image-guided high-dose-rate interstitial brachytherapy (IG HDR-BT) with custom-made surface applicators for lower lip cancer as monotherapy. Patients localized cancer, who received IG HDR-BT monotherapy at the NHO Osaka National Hospital between February 2012 January 2015 were enrolled in this study. One to three implanted interstitially, two six placed on tumor surface. Planning-aimed dose (PAD) was 54...

10.5114/jcb.2025.147943 article EN cc-by-nc-sa Journal of Contemporary Brachytherapy 2025-01-01
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