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Treatment Results of CyberKnife Radiosurgery for Patients with Primary or Recurrent Non-Small Cell Lung Cancer

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±è¿ìö(Kim Woo-Chul) - ÀÎÇÏ´ëÇб³ ÀÇ°ú´ëÇÐ ¹æ»ç¼±Á¾¾çÇб³½Ç
±èÇåÁ¤(Kim Hun-Jeong) - ÀÎÇÏ´ëÇб³ ÀÇ°ú´ëÇÐ ¹æ»ç¼±Á¾¾çÇб³½Ç
¹ÚÁ¤ÈÆ(Park Jeong-Hoon) - ÀÎÇÏ´ëÇб³ ÀÇ°ú´ëÇÐ ÀÎÇÏ´ëÇб³º´¿ø ¹æ»ç¼±Á¾¾çÇб³½Ç
ÇãÇöµµ(Huh Hyun-Do) - ÀÎÇÏ´ëÇб³ ÀÇ°ú´ëÇÐ ¹æ»ç¼±Á¾¾çÇб³½Ç
ÃÖ»óÇö(Choi Sang-Hyoun) - ÀÎÇÏ´ëÇб³ ÀÇ°ú´ëÇÐ ¹æ»ç¼±Á¾¾çÇб³½Ç

Abstract

¸ñ Àû: Ãʱ⠺ñ¼Ò¼¼Æ÷¼º Æó¾Ï ȯÀÚ¿¡¼­ ¼ö¼úÀû ÀýÁ¦ ÀÌ¿ÜÀÇ ±¹¼Ò Ä¡·á·Î ÃÖ±Ù ¹æ»ç¼± ¼ö¼úÀÇ »ç¿ëÀÌ ´Ã°í ÀÖ´Ù. ÀÌ¿¡ ÀúÀÚµéÀº Ãʱâ ȤÀº Àç¹ßÇÑ ºñ¼Ò¼¼Æ÷¼º Æó¾Ï ȯÀÚ¸¦ ´ë»óÀ¸·Î ½ÃÇàÇÑ Ã¼ºÎ ¹æ»ç¼± ¼ö¼úÀÇ Ä¡·á °á°ú¸¦ ºÐ¼®ÇÏ¿© ±× À¯¿ë¼ºÀ» ¾Ë¾Æ º¸°íÇÏ°íÀÚ ÇÑ´Ù.

´ë»ó ¹× ¹æ¹ý: ºñ¼Ò¼¼Æ÷¼º Æó Á¾¾ç¿¡ ´ëÇÏ¿© ¹æ»ç¼± ¼ö¼úÀÌ ½ÃÇàµÇ¾ú´ø 24¸íÀÇ È¯ÀÚ, 28 lesion¿¡ ´ëÇÏ¿© ÈÄÇâÀû ºÐ¼®À» ½ÃÇàÇÏ¿´´Ù. ÀÌ Áß ¿ø¹ß¼º Á¾¾çÀº 19¸í, Àç¹ßÇÑ È¯ÀÚ´Â 5¸íÀ̾ú°í Àç¹ßÇÑ È¯ÀÚ 5¸í Áß 3¸íÀÌ ÀÌÀü Ä¡·á ºÎÀ§¿¡¼­ Àç¹ßÇÑ È¯ÀÚ À̾ú´Ù. ¿ø¹ß¼º Á¾¾ç 19¸í Áß¿¡¼­ 4¸íÀº ¿ÜºÎ ¹æ»ç¼± Ä¡·á ÈÄ Ãß°¡·Î ¹æ»ç¼± ¼ö¼úÀ» ½ÃÇà ¹Þ¾Ò´Ù. 24¸íÀÇ Ãʱ⠺´±â´Â IA, IB, IIA, IIB, IIIA, IIIB, IV°¡ °¢°¢ 7, 3, 2, 2, 3, 1, 6¸íÀ̾ú°í, ¹æ»ç¼± ¼ö¼ú ´ç½ÃÀÇ T º´±â´Â T1 lesionÀÌ 13°÷, T2°¡ 12°÷, T3°¡ 3°÷À̾ú´Ù. ¹æ»ç¼± ¼ö¼úÀº 6 MV X-ray¸¦ ÀÌ¿ëÇÏ¿´°í planning target volume1 (PTV1)¿¡ ÃÑ ¹æ»ç¼±·® 15¡­60 Gy (median, 50 Gy)¸¦ 3ȸ ȤÀº 5ȸ¿¡ °ÉÃÄ Ã³¹æÇÏ¿© ½ÃÇàÇÏ¿´´Ù. Áß¾Ó ÃßÀû°üÂû±â°£Àº 469ÀÏÀ̾ú´Ù.

°á °ú: 28°÷ÀÇ GTV´Â 0.7¡­108.7 mL (median, 22.9 mL)À̾ú°í, PTV1Àº 5.3¡­184.8 mL (median, 65.4 mL)À̾ú´Ù. 3°³¿ù ¹ÝÀÀ·üÀº complete response (CR) 14°÷, partial response (PR) 11°÷, stable disease (SD) 3°÷À̾ú°í, ¸¶Áö¸·ÃßÀû ¿¡¼­ÀÇ Ä¡·á¹ÝÀÀÀº CR 13°÷, PR 9°÷, SD 2°÷, progressive disease (PD) 4°÷À̾ú´Ù. ¿ø¹ßÁ¾¾çÀ¸·Î Ãʱ⠺´±â IA, IB 10¸í¿¡¼­´Â 50Àϸ¸¿¡ 1¸íÀÌ Æó·ÅÀ¸·Î »ç¸ÁÇÏ¿´°í, 1¸íÀÌ ±¹¼ÒÀç¹ß ÇÏ¿´À¸³ª ³ª¸ÓÁö ȯÀÚ´Â 6°³¿ù¿¡¼­ 2³â°£ ±¹¼ÒÀç¹ß ¾øÀÌ ÃßÀû°üÂû µÇ°í ÀÖÀ¸¸ç, IIA-IIB ȯÀÚ´Â 4¸íÀ¸·Î ȯÀÚ ¼ö°¡ Àû¾î¼­ ¶Ñ·ÇÇÑ °á·ÐÀ» ³»¸®±â ¾î·Á¿ü°í, Àç¹ß¼º Æó¾Ï ȯÀÚ 5¸íÀ» Æ÷ÇÔÇÏ´Â 10¸íÀÇ IIIA-IV º´±â¿¡¼­´Â »ç¸Á 3¸í, ±¹¼ÒÀç¹ß 1¸í, loco-regional failure 1¸í, regional failure 2¸íÀ¸·Î ÁÁÁö ¾ÊÀº Ä¡·á °á°ú¸¦ º¸¿´´Ù. ÀÌ Áß¿¡¼­ ¹æ»ç¼± ¼ö¼úÀ» ½ÃÇàÇÑ Àå¼Ò¿¡¼­ Àç¹ßÇÑ °æ¿ì´Â ÃÑ 28 lesion Áß 4°÷À¸·Î 85.8%ÀÇ ±¹¼ÒÁ¦¾îÀ²À» º¸¿´´Ù. ¹æ»ç¼±Ä¡·á ¾çÀº biologically equivalent dose (BED) 100Gy10 ÀÌÇÏÀÎ 8 lesion Áß¿¡¼­ 3 lesion¿¡¼­ ±¹¼Ò Àç¹ßÇÏ¿© 100 Gy10 ÀÌ»óÀÎ 20 lesion Áß¿¡¼­´Â 1 lesion¿¡¼­¸¸ Àç¹ß
ÇÑ °æ¿ìº¸´Ù ³ª»¦´Ù. ¶ÇÇÑ Áß¾ÓºÎÀÇ Á¾¾ç°ú ¹æ»ç¼±¼ö¼ú ´ç½ÃÀÇ º´±â°¡ T2 ÀÌ»óÀÎ °æ¿ì°¡ Àç¹ßÀÌ ¸¹¾Ò´Ù.

°á ·Ð: ºñ¼Ò¼¼Æ÷¼º Æó¾ÏȯÀÚ¿¡¼­ »çÀ̹ö³ªÀÌÇÁ¸¦ ÀÌ¿ëÇÑ Ã¼ºÎ ¹æ»ç¼± ¼ö¼úÀº ºÎÀÛ¿ëÀÌ ÀûÀ¸¸é¼­ ³ôÀº ±¹¼ÒÁ¦¾îÀ²À» ¾òÀ» ¼ö ÀÖ´Â Ä¡·áÀ̸ç, ÁÖº¯ºÎÀÇ T1 º´±âÀÇ Æó¾Ï¿¡ ´ëÇؼ­ BED 100 Gy10 ÀÌ»óÀÇ ¹æ»ç¼± Ä¡·á°¡ ±¹¼ÒÁ¦¾îÀ²À» ³ôÀ̴µ¥ µµ¿òÀÌ µÈ´Ù°í »ý°¢µÈ´Ù.
Purpose: Recently, the use of radiosurgery as a local therapy in patients with early stage non-small cell lung cancer has become favored over surgical resection. To evaluate the efficacy of radiosurgery, we analyzed the results of stereotactic body radiosurgery in patients with primary or recurrent non-small cell lung cancer.

Materials and Methods: We reviewed medical records retrospectively of total 24 patients (28 lesions) with non-small cell lung cancer (NSCLC) who received stereotactic body radiosurgery (SBRT) at Inha University Hospital. Among the 24 patients, 19 had primary NSCLC and five exhibited recurrent disease, with three at previously treated areas. Four patients with primary NSCLC received SBRT after conventional radiation therapy as a boost treatment. The initial stages were IA in 7, IB in 3, IIA in 2, IIB in 2, IIIA in 3, IIIB in 1, and IV in 6. The T stages at SBRT were T1 lesion in 13, T2 lesion in 12, and T3 lesion in 3. 6MV X-ray treatment was used for SBRT, and the prescribed dose was 15¡­60 Gy (median: 50 Gy) for PTV1 in 3¡­5 fractions. Median follow up time was 469 days.

Results: The median GTV was 22.9 mL (range, 0.7 to 108.7 mL) and median PTV1 was 65.4 mL (range, 5.3 to 184.8 mL). The response rate at 3 months was complete response (CR) in 14 lesions, partial response (PR) in 11 lesions, and stable disease (SD) in 3 lesions, whereas the response rate at the time of the last follow up was CR in 13 lesions, PR in 9 lesions, SD in 2 lesions, and progressive disease (PD) in 4 lesions. Of the 10 patients in stage I, one patient died due to pneumonia, and local failure was identified in one patient. Of the 10 patients in stages III-IV, three patients died, local and loco-regional failure was identified in one patient, and regional failure in 2 patients. Total local control rate was 85.8% (4/28). Local recurrence was recorded in three out of the eight lesions that received below biologically equivalent dose 100 Gy10. Among 20 lesions that received above 100 Gy10, only one lesion failed locally. There was a higher recurrence rate in patients with centrally located tumors and T2 or above staged tumors.

Conclusion: SBRT using a CyberKnife was proven to be an effective treatment modality for early stage patients with NSCLC based on high local control rate without severe complications. SBRT above total 100 Gy10 for peripheral T1 stage patients with NSCLC is recommended.

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ºñ¼Ò¼¼Æ÷¼º Æó¾Ï, ¹æ»ç¼± ¼ö¼ú, »çÀ̹ö³ªÀÌÇÁ
Non-small cell lung cancer, Radiosurgery, CyberKnife
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ÇмúÁøÈïÀç´Ü(KCI) KoreaMed ´ëÇÑÀÇÇÐȸ ȸ¿ø 
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ÁÖÁ¦¸í(Target field)
¿¬±¸´ë»ó(Population)
¿¬±¸Âü¿©(Sample size)
´ë»ó¼ºº°(Gender)
Áúº´Æ¯¼º(Condition Category)
¿¬±¸È¯°æ(Setting)
¿¬±¸¼³°è(Study Design)
¿¬±¸±â°£(Period)
ÁßÀç¹æ¹ý(Intervention Type)
ÁßÀç¸íĪ(Intervention Name)
Å°¿öµå(Keyword)
À¯È¿¼º°á°ú(Recomendation)
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ICD 03
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