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  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Science Ltd
    International journal of dermatology 44 (2005), S. 0 
    ISSN: 1365-4632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Introduction  Total skin electron irradiation (TSEI) therapy is the treatment of choice for mycosis fungoides. However, conventional TSEI therapy is time consuming as well as patient unfriendly. Therefore we used high-dose rate (HDR) mode TSEI in these patients. High-dose rate mode of TSEI is a technological innovation attached to a Linear Accelerator (Philips, SL-20, Netherlands), which can deliver an electron beam of 30 Gy/min at the iso-center. The iso-center faces the patient, 100 cm away from the target of the linear accelerator. The patient is treated at a distance of 10 feet from the iso-center of the linear accelerator. The dose delivered to the skin was 1.13 Gy/min, making the treatment execution much easier and patient compliance much better.Methods  Seven male patients between 40 and 64 years in age having mycosis fungoides for 9–18 months were treated by TSEI using high-dose rate mode between 1998 and 2000. The TSEI was performed according to the Stanford technique, delivering a total dose of 36 Gy. Each patient received a dose of 1.2 Gy/field/day. There were six fields, i.e. anterior, posterior, left and right anterior obliques, and left and right posterior obliques in both the upper and lower parts of the body. The eyes and nails were shielded at each session of radiotherapy. The times taken at each session of the therapy and radiation-associated side-effects were determined in each patient. The patients were followed up to 26 months (median 9 months) to look for any relapse.Results  Three patients had early stage disease (IB) whereas four patients had advanced disease (IIB). Six patients out of these had complete remission following TSEI while one patient died as a result of progression of the disease during treatment. The treatment time taken at each treatment session in each individual patient was approximately 15 min. Radiation-associated morbidity was seen in all patients. Cutaneous lesions relapsed in two patients after 4 and 10 months, respectively, while four patients were alive without the disease at the end of 2 years.Conclusions  Total skin electron irradiation using high-dose rate mode delivery of electrons is an easy, better, compliant and effective therapeutic modality for treatment of mycosis fungoides with an acceptable range of toxicities.
    Type of Medium: Electronic Resource
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