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°í·ÉÀÇ ºñ¼Ò¼¼Æ÷¼ºÆó¾Ï ȯÀÚÀÇ ¹æ»ç¼± ¹× º´¿ëÄ¡·á¿¡ ´ëÇÑ È¿°ú Æò°¡ The Evaluation of Radiation Therapy and Combined-modality Therapy for Non-small-cell Lung Cancer in Elderly

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À±¿ø¼·, ±èö¿ë, ¾ç´ë½Ä,
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À±¿ø¼· ( Yoon Won-Sup ) 
ÇÔÆò±º º¸°Ç¼Ò

±èö¿ë ( Kim Chul-Yong ) 
°í·Á´ëÇб³ ÀÇ°ú´ëÇÐ ¾È¾Ïº´¿ø
¾ç´ë½Ä ( Yang Dae-Sik ) 
°í·Á´ëÇб³ ÀÇ°ú´ëÇÐ ¾È¾Ïº´¿ø

Abstract

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°á ·Ð: °í·ÉÀÇ ºñ¼Ò¼¼Æ÷¼ºÆó¾Ï ȯÀÚ¿¡¼­ ´Üµ¶¹æ»ç¼±Ä¡·á´Â Ÿ Ä¡·á¿Í ºñ±³ ½Ã ´ëµîÇÑ »ýÁ¸±â°£À» ³ªÅ¸³ÂÀ¸¸ç µ¿½ÃÈ­Çйæ»ç¼±Ä¡·á¿¡ ºñÇØ ºÎÀÛ¿ëÀ¸·Î Ä¡·á¸¦ Áß´ÜÇÏ´Â °æ¿ì°¡ Àû¾î ´ëü·Î °í·ÉÀÇ È¯ÀÚ°¡ Ä¡·á¿¡ Àß °ßµð´Â Ä¡·á¿´´Ù. °í·ÉÀÇ È¯ÀÚ¿¡¼­ µ¿½ÃÈ­Çйæ»ç¼±Ä¡·á¸¦ °í·ÁÇÒ ½Ã¿¡´Â Ä¡·áÀÇ °ßµõ Á¤µµ¸¦ °í·ÁÇÏ¿© ȯÀÚÀÇ ¼±Åà ¹× ¾àÁ¦ÀÇ ¼±Åÿ¡ ÁÖÀÇÇÏ¿©¾ß ÇÒ °ÍÀÌ´Ù.

Purpose: To compare radiation therapy alone to combined modality therapy about survival rate and tolerance of elderly patients (70=or¡Ã) with non-small-cell lung cancer (NSCLC).

Materials and Methods: Between 1998 and 2002, 57 patients given radiation therapy due to NSCLC (Stage III) were analysed retrospectively. Radiation therapy alone (RT), concurrent chemoradiation (CRT), and sequential chemoradiation (SCRT) was done to 33, 16 and 8 patients, respectively. Patients¡¯ median age was 74 (range 70¡­85). Male and female are 51 patients and 6 patients, respectively. 23 patients were stage IIIa and 34 were stage IIIb. Patients¡¯ characteristic distribution of RT and CRT was not significantly different except mass size that RT has a bigger than CRT. The fraction size of radiation therapy was 1.8 Gy in CRT and 1.8¡­3 Gy in other groups. Total radiation dose was 51¡­63 Gy according to the fraction size. If the prescribed total radiation dose was successfully irradiated, we stated that it was completion of radiation therapy.

Results: 52 patients were dead. Median period of radiation therapy was as follow: RT, 35 days, CRT, 60.5 days and SCRT, 35 days. Overall median survival time (MST) was 10.1 months. The 1 yr- and 2 yr-overall survival rate was 39.8% and 17.6%, respectively. MST of RT, CRT and SCRT was 8.9, 8.2 and 11.7 months, respectively. The 1 yr survival rate of RT, CRT and SCRT was 38.4%, 37.5% and 50% (not significant). Patients given incomplete radiation therapy were 12 (RT, 5 CRT, 6 SCRT, 1). N stage (p=0.081) and the difference of treatment methods (p=0.079) were the factors affecting incompletion of radiation therapy, but it was not significant. In case of combined-agents chemotherapy, 4 of 8 ceased radiation therapy. T stage (T¡Ã3), mass size (¡Ã5 cm), Karnofsky performance scale (¡Â70) and completion of radiation therapy were the prognostic factors in uni- and multi-variate analysis.

Conclusion: In elderly patients with NSCLC, radiation therapy alone was a treatment method with similar survival period compared with other methods. Generally, patients given radiation therapy alone was tolerable to a treatment. Before planning concurrent chemoirradiation in elderly patients with NSCLC, physicians pay attention to a selection of patients and chemotherapy agents considering general condition and toxicity.

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Æó¾Ï; °í·É; ¹æ»ç¼±Ä¡·á; º´¿ë¿ä¹ý; µ¶¼º
Non-small-cell lung cancer; Elderly; Radiation therapy; Combined madality therapy; Toxicity

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