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High-dose-rate brachytherapy boost for carcinoma of external auditory canal

In Brachytherapy
By: Budrukkar A.
Contributor(s): Patil K | Jamema SV | Agarwal JP | Laskar SG | Bhalavat R | Bahl G | Department of Radiation Oncology, Tata Memorial Hospital, Parel, Mumbai 400012.
Material type: materialTypeLabelArticleSeries: Vol 8 Issues 4.Publisher: 2009Description: 392-395.Subject(s): High dose rate | Radiotherapy | Squamous cell carcinoma | Brachytherapy | External auditory canal | DDC classification: In: BrachytherapySummary: Purpose To report dosimetry and outcome in a case of early stage carcinoma of external ear (T1N0M0) treated with radical radiotherapy alone using a combination of external beam radiotherapy (EBRT) and intracavitary irradiation with a high-dose-rate (HDR) 192Ir remote afterloading system. Methods and Methods A 64-year-old gentleman who was diagnosed as T1N0M0 carcinoma of external ear was treated with combination of external beam radiation therapy followed by brachytherapy (BRT). A total dose of 40 Gy was delivered by EBRT, following which a 6-Fr catheter for the HDR 192Ir remote afterloader, fixed by a customized acrylic mold, was inserted into the external auditory canal (EAC) and a total intracavitary radiation dose of 22.5 Gy (4.5 Gy/F) was given. Results Evaluation at the completion of treatment and at the end of 4-year followup revealed no evidence of the disease. Conclusions In the radical treatment of early stage EAC carcinoma, combination of external beam radiation therapy and BRT may b
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Purpose
To report dosimetry and outcome in a case of early stage carcinoma of external ear (T1N0M0) treated with radical radiotherapy alone using a combination of external beam radiotherapy (EBRT) and intracavitary irradiation with a high-dose-rate (HDR) 192Ir remote afterloading system.

Methods and Methods
A 64-year-old gentleman who was diagnosed as T1N0M0 carcinoma of external ear was treated with combination of external beam radiation therapy followed by brachytherapy (BRT). A total dose of 40 Gy was delivered by EBRT, following which a 6-Fr catheter for the HDR 192Ir remote afterloader, fixed by a customized acrylic mold, was inserted into the external auditory canal (EAC) and a total intracavitary radiation dose of 22.5 Gy (4.5 Gy/F) was given.

Results
Evaluation at the completion of treatment and at the end of 4-year followup revealed no evidence of the disease.

Conclusions
In the radical treatment of early stage EAC carcinoma, combination of external beam radiation therapy and BRT may b

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