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Abstract

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¹ÐÂø½ÃÅ°±â´Â ¾î·Æ´Ù. Thermoplastic°ú ÆĶóÇÉÀ» ÀÌ¿ëÇÏ¿© Á¦ÀÛÇÑ Çï¸äÀ» Ç÷°üÀ°Á¾ÀÇ ¹æ»ç
¼± Ä¡·á¿¡ »ç¿ëÇÑ °á°ú Àüü µÎÇÇ¿¡ ´ëÇÑ ¿­Çü±¤¼±·®°è¿¡ ÀÇÇØ ÃøÁ¤ÇÑ ¹æ»ç¼±·®Àº 7% À̳»
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Cutaneous angiosarcomas are uncommon malignancies which account about 1% of
sarcomas. They are found most commonly in the head and neck regions, frequently on
the scalp. Although preferred treatment has been combined surgery and postoperative
radiation therapy, the extensiveness and multiplicity of the lesions set limits to such an
approach and the patient is often referred for radiotherapy without surgery. As the
entire scalp usually needs to be treated, radiation therapy is a challenging problem to
radiation oncology staffs. We report a case of angiosarcoma of the scalp, which was
treated successfully by radiation therapy with a simple and repeatable method using
mixed photon and electron beam technique. Using a bolus to increase the surface dose
of the scalp and to minimize dose to the normal tissues of the brain desirable but
difficult technically to be well conformed to the three dimensional curved surface such
as vertex of the head. A helmet made of thermoplastics filled with paraffin was
elaborated and used for the treatment, resulting of the relatively uniform surface doses
along the several points measured on the scalp, the difference among the points not
exceeding 7% of the prescribed dose by TLD readings.

Å°¿öµå

Angiosarcoma; Scalp; Radiation Therapy; Treatment Technique;

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