Koji Inaba

Koji Inaba

Department Of Radiation Oncology, National Cancer Center Hospital, Chuo-Ku, Tokyo, Japan.

Direct Impact

Concepts for which Koji Inaba has direct influence:

radiation therapy
prostate cancer
vaginal cuff
distant metastasis
half-beam method
prone position
neutron flux

External impact

Concepts related to the work of other authors for which Koji Inaba has influence:

cervical cancer
radiation therapy
radical surgery
gynecologic oncology
evidence-based guidelines
early stage
esophageal carcinosarcoma

Prominent publications by Koji Inaba

KOL-Index: 90 In this technical report, patient with total pharyngolaryngectomy and jejunum interposition experienced lymph node metastasis in the reconstructed mesenteric lymph nodes. Because this patient received 45 Gy of whole neck radiation therapy 24 years ago and small bowel's tolerance dose of the reconstructed jejunum was considered to be low, spacer gel injection was applied during image-guided ...
Known for
Reconstructed | Hypopharyngeal Cancer | Protect Carotid | Pharyngolaryngectomy Jejunum Interposition
KOL-Index: 82 High-dose-rate interstitial brachytherapy (HDR-ISBT) is relatively rarely applied for the head and neck cancer because of its anatomical complexity and difficulty of applicator placement. However, its dose distribution is more confined even better than intensity-modulated radiation therapy (IMRT) and can deliver a higher dose while sparing surrounding normal tissues. In this case report, the ...
Known for
Image-Guided Hdr-Isbt | Favourable | Definitive Concurrent Chemoradiation Therapy | 76-Year-Old Female
KOL-Index: 63 The purpose of this retrospective study is to investigate the impact of concurrent chemotherapy on definitive radiotherapy for the International Federation of Gynecology and Obstetrics (FIGO) IIIb cervical cancer. Between 2000 and 2009, 131 women with FIGO IIIb cervical cancer were treated by definitive radiotherapy (i.e. whole pelvic external beam radiotherapy for 40-60 Gy in 20-30 ...
Known for
Japanese Women | 20-30 Fractions | 192-Iridium Remote | Concurrent Chemotherapy Regimen
KOL-Index: 55 RATIONALE: Gynecological high-dose-rate (HDR) brachytherapy has progressed for years, but it remains difficult for bulky tumors to be controlled locally. Dose limitations to organs at risk (OARs) are invariably obstacles in increasing the prescription dose. Additionally, it is controversial that the excessive hyperdose sleeve, the volume receiving a dose equal to or greater than twice the ...
Known for
Bulky Cervical Cancer | Brachytherapy Hdr
KOL-Index: 49 PURPOSE: An accelerator-based boron neutron capture therapy (BNCT) system with a solid-state Li target is reported to have degradation of the Li target. The degradation reduces the Li thickness, which may change spectra of the generated neutrons corresponding to the Li thickness. This study aims to examine the relationship between the Li thickness and the generated neutrons and to ...
Known for
Thickness Saturated | Monte Carlo Simulation | Neutron Energy Spectra | 20 150 Μm
KOL-Index: 48 BackgroundBecause esophageal carcinosarcoma (ECS) is rare, a treatment strategy similar to that employed in esophageal cancer is usually applied. However, the clinicopathological features and the treatment effects of preoperative chemotherapy or chemoradiotherapy (CT/CRT) are not well known.MethodsWe retrospectively evaluated clinical and pathological characteristics of consecutive patients ...
Known for
Sarcomatous | Carcinosarcoma | Preoperative Months | Component Survival
KOL-Index: 48 Small cell carcinoma of the bladder is extremely rare, accounting for <1% of all malignant tumours in the urinary tract. Thus, no standard therapy modality for this malignancy has been established. This study aimed to retrospectively analyse the clinical outcomes associated with definitive radiotherapy for small cell carcinoma of the bladder. A questionnaire-based survey of patients with ...
Known for
12 Eligible | Pathologically Proven Small Carcinoma | Potential Local Option | 44-87
KOL-Index: 44 Perirectal hyaluronate gel injection (HGI) appears to be a promising technique for healthy tissue dose sparing in pelvic radiotherapy. In this analysis, we report our initial experience of HGI in gynecologic brachytherapy, focusing on its safety and effectiveness for dose reduction to the rectum. Between July 2013 and May 2014, 36 patients received HGI for primary/salvage gynecologic ...
Known for
Target Volume Coverage | Effective Technique | Hgi Dosimetric | Dose-Volume Histogram
KOL-Index: 38 Objective: To retrospectively investigate the treatment outcomes of external beam radiotherapy with androgen deprivation therapy (ADT) in high-risk prostate cancer in three radiotherapy dose groups. Methods: Between 1998 and 2013, patients with high-risk prostate cancer underwent three-dimensional conformal radiotherapy or intensity-modulated radiotherapy of 66 Gy, 72 Gy, or 78 Gy with ADT. ...
Known for
Prostate-Specific Antigen Psa Relapse | Escalation H-2 | Androgen Deprivation Therapy | Single High-Risk Factor
KOL-Index: 36 BACKGROUND: The study aimed to compare urinary symptoms in patients with clinically localized prostate cancer after a combination of either low-dose-rate or high-dose-rate interstitial brachytherapy along with intensity-modulated radiation therapy (LDR-ISBT + IMRT or HDR-ISBT + IMRT). METHODS: From June 2009 to April 2014, 16 and 22 patients were treated with LDR-ISBT + IMRT and HDR-ISBT + ...
Known for
Ipss-Increment | Irritative Urinary Symptoms | Clinically Localized Prostate Cancer | Isbt Ipss

Department of Radiation Oncology, National Cancer Center Hospital, Chuo-ku, Tokyo, Japan.

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