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Abstract

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¾Ï ȯÀÚ¸¦ ´ë»óÀ¸·Î ÈÄÇâÀû ºÐ¼®À» ½Ç½ÃÇÏ¿´´Ù. ¿¬·É ºÐÆ÷´Â 17¼¼ºÎÅÍ 71¼¼±îÁö ±¤¹üÀ§Çß°í
(Áß¾Ó°ª 39¼¼), ³²ÀÚ 55·Ê¿Í ¿©ÀÚ 2·Ê·Î ³²¼º¿¡¼­ È£¹ßÇÏ¿´´Ù. ¹æ»ç¼± Ä¡·á´Â 6 MV X-ray
¸¦ ÀÌ¿ëÇÏ¿© 1ȸ ¼±·® 2 Gy¾¿, ÁÖ 5ȸ, ÃѼ±·® 66 Gy¸¦ Á¶»çÇÏ¿´´Ù.
°á °ú . ¹æ»ç¼± Ä¡·á¿¡ ´ëÇÑ ¹ÝÀÀÀº ¿ÏÀü °üÇØ 89.5% (51/57), ºÎºÐ °üÇØ È¤Àº ¹«¹ÝÀÀ
10.5%(6/57) ¿´´Ù. 51·ÊÀÇ ¿ÏÀü°üÇØ È¯ÀÚ Áß¿¡¼­ 7·ÊÀÇ Àç¹ßÀÌ °üÂûµÇ¾ú°í 7·Ê ¸ðµÎ ¼ö¼ú·Î
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¹ßÇÏ¿´´Ù. 3³â ¹× 5³â ¹«º´»ýÁ¸À²Àº °¢°¢ 72.9% ¹× 63.8%¿´´Ù. º´¼ÒÀÇ À§Ä¡¿¡ µû¸¥ 5³â ¹«
º´»ýÁ¸À²Àº ÈĹæÀÎ °æ¿ì 85.5%, Àü¹æÀÎ °æ¿ì 61.6%¿´´Ù (p<0.05). ¹æ»ç¼±Ä¡·á¿¡ ´ëÇØ ºÎºÐ
°üÇØ È¤Àº ¹«¹ÝÀÀÀ» º¸ÀÎ 5·Ê¸¦ Æ÷ÇÔÇÏ¿© 13/57 (22.8%) ·ÊÀÇ Ä¡·á ½ÇÆа¡ °üÂûµÇ¾ú°í ±×
Áß 10/13 (76.9%) ·Ê°¡ ¼ö¼ú·Î ±¸Á¦µÇ¾ú´Ù. ÃÖÁ¾ 5³â ±¹¼ÒÁ¦¾îÀ²Àº 92.3%¿´°í ÀüüÀûÀ¸·Î
47/57 (82.5%) ·Ê¿¡¼­ À½¼ºÀ» º¸Á¸ÇÒ ¼ö ÀÖ¾ú´Ù.
°á ·Ð : ³ôÀº À½¼º º¸Á¸À²À» °í·ÁÇϸé Ãʱ⠼º¹®¾Ï¿¡¼­ ¹æ»ç¼±Ä¡·á°¡ ¿ì¼±ÀûÀ¸·Î °í·ÁµÇ
¾î¾ß ÇÑ´Ù.

Purpose : This study was to evaluate survival, failure patterns, and prognostic factors
of stage I squamous cell carcinoma of the glottic larynx after curative radiation therapy.
Materials and Methods : A retrospective analysis done for 57 patients with glottis
cancer who were treated with curative radiation therapy from June 1985 to November
1992. There were 55 male and two female patients. Patients' age ranged from 17 to 71
years(median 39 years). Radiation therapy was delivered five times a week, 2 Gy daily,
total 66 Gy using 6 MV X- ray.
Results : Complete response(CR) was noted in 51 out of 57 patients(89.5%) and
persistent disease (PER) in six out of 57 patients(10.5%) .The disease-free survival rates
at 3 and 5 years were 72.9% and 63.8%, respectively. Seven failures were observed
among 51 CR patients during follow-up. Salvage total laryngectomy for six recurred
patients and partial laryngectomy for one recurred Patient were done with successful
results, i.e., all of them were actually salvaged. Among six PER patients, salvage total
laryngectomy for two patients and partial laryngectomy for two patients were done and
two patients refused operation. Following salvage surgery for the four PER patients,
three were salvaged and one failed locoregionally. Among the 13 failures 10(76.9%) were
salvaged with surgery. The ultimate local control rate at 5 yearn was 92.3% and overall
47 out of 57 (82.5%) patients were able to preserve their larynx. The 5-rear
disease-free survival rates were 85.5% for Posterior lesions, and 61.6% for anterior
lesions(p<0.05). Cord mobility, involvement of anterior commissure, field size, and T
stage did not impact on disease-free survival.
Conclusion : Considering the high percentage of voice preservation with initial
radiotherapy, radiotherapy should be the first choice in the treatment of stage I glottic
carcinoma.

Å°¿öµå

Glottic cancer; Radiotherapy; Stage I;

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