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Á¤À§ üºÎ °íÁ¤Æ²À» ÀÌ¿ëÇÑ Ã¼ºÎ ¹æ»ç¼±¼ö¼úÀÇ ¿¹ºñÀû °á°ú Preliminary Results of Stereotactic Radiosurgery UsingStereotactic Body Frame

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Abstract

¸ñ Àû : 1990³â´ë ÀÌÈÄ °³¹ßµÈ Á¤À§ üºÎ °íÁ¤Æ²À» ÀÌ¿ëÇÑ Ã¼ºÎ Á¤À§¹æ»ç¼±¼ö¼úÀÇ Ä¡·áÈ¿°ú, Ä¡·áÀÇ Á¤È®¼º°ú ÈÄÀ¯Áõ¿¡ ´ëÇØ ÈÄÇâÀûÀ¸·Î ¾Ë¾Æº¸°íÀÚ ÇÏ¿´´Ù.
´ë»ó ¹× ¹æ¹ý : 1997³â 12¿ùºÎÅÍ 1999³â 6¿ù±îÁö °£¾Ï 3¸í, µ¿Á¤¸Æ±âÇü 1¸í, ÆóÀüÀÌ 6¸í¿Í °£ÀüÀÌ 1¸í µî ¸ðµÎ 11¸í¿¡¼­ Á¤À§ üºÎ °íÁ¤Æ²À» ÀÌ¿ëÇÏ¿© üºÎ ¹æ»ç¼±¼ö¼úÀ» ½ÃÇàÇß´Ù. ȯÀÚÀÇ °íÁ¤Àº Á¤À§ üºÎ °íÁ¤Æ²¿¡ vacuum pillow¸¦ ÀÌ¿ëÇÏ¿© ¼öÇàÇÏ¿´°í chest
marker¿Í
leg marker¸¦ ÀÌ¿ëÇÏ¿© Èä°ñºÎÀ§ ¶Ç´Â µîºÎÀ§¿Í °æ°ñºÎÀ§ÀÇ ÇǺο¡ ȯÀÚ À§Ä¡ Ç¥½Ã¸¦ ÇÏ¿´´Ù. ÀÌÈÄ ¸ðÀÇÄ¡·á½Ç·Î À̵¿ÇÏ¿© X¼± Åõ½Ã±â¸¦ ÅëÇØ È¾°æ¸·ÀÇ ¿òÁ÷ÀÓÀ» ÃøÁ¤ÇÑ ÈÄ Diaphragm controlÀ» »ç¿ëÇÏ¿© 1 cm ÀÌÇϷΠȾ°æ¸·ÀÇ ¿òÁ÷ÀÓÀ» ÃÖ¼ÒÈ­ÇÏ¿´´Ù.
CT-simulator¸¦
ÀÌ¿ëÇÏ¿© Ä¡·áºÎÀ§ÀÇ ´ÜÃþÃÔ¿µÀ» ½ÃÇàÇÑ ÈÄ Ä¡·á°èȹÀ» ¼¼¿ü´Ù. ¸Åȸ Ä¡·áÀü CT-simulator¸¦ ÀÌ¿ëÇÏ¿© ´ÜÃþÃÔ¿µÀ» ¹Ýº¹ÇÏ¿© ÃÖÃÊÀÇ ´ÜÃþÃÔ¿µÀÇ ¿µ»ó°ú ¼öµ¿ÀûÀ¸·Î ºñ±³ÇÏ¿© Ä¡·áÀÇ Á¤È®¼ºÀ» È®ÀÎÇÏ°í ¿ÀÂ÷°¡ 5 mm À̳»ÀÎ °æ¿ì Ä¡·á¸¦ ½ÃÇàÇÏ¿´´Ù. ¹æ»ç¼± Ä¡·á´Â 90%
µî¼±·®°î¼±¿¡ 10 Gy¾¿ 1ÀÏ ³»Áö 2ÀÏ °£°ÝÀ¸·Î 3ȸ ½ÃÇàÇÏ¿© ÃÑ 30 Gy¸¦ Á¶»çÇÏ¿´´Ù.
°á °ú : Áß¾Ó ÃßÀû°üÂû±â°£Àº 12°³¿ùÀ̾ú´Ù. 11¸íÀÇ È¯ÀÚ Áß 1¸í(9%)ÀÇ È¯ÀÚ¿¡¼­ ±¹¼ÒÀû ¿ÏÀü°üÇظ¦ º¸¿´°í 4¸í(36%)¿¡¼­ ºÎºÐ°üÇظ¦ º¸¿´´Ù. °èȹ¿ëÇ¥ÀûüÀûÀº 3¡­111 cc ¿´°í Æò±Õ°ªÀº 18.4 cc ¿´´Ù. Ä¡·á ¿ÀÂ÷¸¦ ÃøÁ¤ÇÑ °á°ú X, Y, Z ÃàÀ¸·Î ¿ÀÂ÷¹üÀ§´Â ¸ðµÎ 5
mm
À̳»¸¦ º¸¿´´Ù. Ä¡·á Áß ¶Ç´Â Ä¡·á Á÷ÈÄ¿¡ ¿Ã ¼ö ÀÖ´Â °í¿­, ÅëÁõ µîÀÇ ±Þ¼ºÈÄÀ¯ÁõÀº °üÂûµÇÁö ¾Ê¾Ò´Ù.
°á ·Ð : Á¤À§ üºÎ °íÁ¤Æ²À» ÀÌ¿ëÇÑ Ã¼ºÎ ¹æ»ç¼±¼ö¼úÀº ¶Ù¾î³­ Ä¡·áÀÇ ÀçÇö¼ºÀ» º¸¿©ÁÖ¾ú°í °£ ȤÀº ÆóÁ¾¾ç¿¡¼­ À¯¿ëÇÑ Ä¡·á ¹æ¹ýÀ¸·Î ÀÌ¿ëµÉ ¼ö ÀÖÀ» °ÍÀ¸·Î ±â´ëµÈ´Ù.

Purpose : To evaluate efficacy and complication of stereotactic radiosurgery using stereotactic body frame.
Methods and Materials : From December 1997 to June 1999, 11 patients with primary and metastatic tumors were treated with stereotactic radiosurgery using stereotactic body frame(Precision Therapy¢â). Three patients were treated with primary
hepatoma and
seven with metastatic tumor from liver, lung, breast, trachea and one with arteriovenous malformation on neck. We used vacuum pillow for immobilization and made skin marker on sternum and tibia area with chest marker and leg marker. Diaphragm
control
was used for reducing movement by respiration. CT-simulation and treatment planning were performed. Set-up error was checked by CT-Simulator before each treatment. Dose were calculated on the 80¡­90% isodose of isocenter dose and given
consecutive
3
fractions for total dose of 30 Gy (10 Gy/fraction).
Results : Median follow-up was 12 months. One patient (9%) showed complete response and four patients (36%) showed partial response and others showed stable disease. Planning target volumes (PTV) ranged from 3 to 111 cc (mean 18.4 cc). Set-up
error
was
within 5 mm in all directions (X, Y, Z axis). There was no complication in all patients.
Conclusion : In primary and metastatic tumors, stereotactic radiosurgery using stereotactic body frame is very safe, accurate and effective treatment modality.

Å°¿öµå

Á¤À§ üºÎ °íÁ¤Æ²; üºÎ ¹æ»ç¼±¼ö¼ú; Stereotactic body frame; Radiosurgery;

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KoreaMed
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