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Outcome of patients with neuroblastoma aged less than 1 year at diagnosis

진단 시 1세 이하인 신경모세포종 환자의 치료성적

  • Suh, Jung Min (Department of Pediatric, Samsung Medical Center Sungkyunkwan University School of Medicine) ;
  • Lee, Sang Goo (Department of Pediatric, Samsung Medical Center Sungkyunkwan University School of Medicine) ;
  • Yoo, Keon Hee (Department of Pediatric, Samsung Medical Center Sungkyunkwan University School of Medicine) ;
  • Sung, Ki Woong (Department of Pediatric, Samsung Medical Center Sungkyunkwan University School of Medicine) ;
  • Koo, Hong Hoe (Department of Pediatric, Samsung Medical Center Sungkyunkwan University School of Medicine) ;
  • Kim, Ju Youn (Department of Pediatric, Samsung Medical Center Sungkyunkwan University School of Medicine) ;
  • Cho, Eun Joo (Department of Pediatric, Samsung Medical Center Sungkyunkwan University School of Medicine) ;
  • Lee, Suk Koo (Department of Pediatric Surgery, Samsung Medical Center Sungkyunkwan University School of Medicine) ;
  • Kim, Jhingook (Department of Thoracic Oncology, Samsung Medical Center Sungkyunkwan University School of Medicine) ;
  • Lim, Do Hoon (Department of Radiation Oncology, Samsung Medical Center Sungkyunkwan University School of Medicine)
  • 서정민 (성균관대학교 의과대학 삼성서울병원 소아청소년과) ;
  • 이상구 (성균관대학교 의과대학 삼성서울병원 소아청소년과) ;
  • 유건희 (성균관대학교 의과대학 삼성서울병원 소아청소년과) ;
  • 성기웅 (성균관대학교 의과대학 삼성서울병원 소아청소년과) ;
  • 구홍회 (성균관대학교 의과대학 삼성서울병원 소아청소년과) ;
  • 김주연 (성균관대학교 의과대학 삼성서울병원 소아청소년과) ;
  • 조은주 (성균관대학교 의과대학 삼성서울병원 소아청소년과) ;
  • 이석구 (성균관대학교 의과대학 삼성서울병원 소아외과) ;
  • 김진국 (성균관대학교 의과대학 삼성서울병원 흉부외과) ;
  • 임도훈 (성균관대학교 의과대학 삼성서울병원 방사선종양학과)
  • Received : 2008.08.08
  • Accepted : 2008.09.15
  • Published : 2009.01.15

Abstract

Purpose : The purpose of this study was to evaluate the clinical characteristics and outcomes of patients with neuroblastoma aged less than 1 year. Methods : From January 1997 to December 2007, 41 patients aged less than 1 year were diagnosed with neuroblastoma. Patients were divided into 3 risk groups according to the stage of the disease and N-myc amplification. Low-risk patients underwent surgery with (stage 2) or without (stage 1) short-term chemotherapy. Intermediate-risk patients underwent chemotherapy and surgery with or without local radiation therapy. High-risk patients underwent chemotherapy, surgery, radiation therapy, and high-dose chemotherapy/autologous stem cell rescue (HDCT/ASCR). Results : While tumor relapse occurred in only 1 patient, 7 patients died of treatment-related toxicities. Causes of treatment- related death included infection during conventional chemotherapy in 5 patients and acute myocarditis during HDCT/ASCR in 2 patients. The overall 5-year survival (${\pm}$ standard error) and 5-year event-free survival (EFS) rates after diagnosis for all 41 patients were $82.8{\pm}5.9%$ and $80.0{\pm}$6.3%$, respectively, with a median follow-up of 58 (9-137) months. The 5-year EFS rates for low-risk, intermediate-risk, and high-risk patients were 100%, $68.4{\pm}10.8%$, and $66.7{\pm}19.3%$, respectively. Conclusion : Increased efforts to reduce infection-associated toxicity deaths during conventional chemotherapy are needed to further improve the survival of patients with neuroblastoma aged less than 1 year.

목적 : 진단 시 1세 이하인 신경모세포종 환자들의 임상적 특징을 알아보고, 이들의 치료 성적을 보고하고자 하였다. 방법 : 1997년 1월부터 2007년 12월까지 삼성서울병원 소아청소년과에서 새로 진단된 신경모세포종 환자 중 진단 시 나이가 1세 이하인 환자를 연구대상으로 하였다. 저위험군 중 1병기 환자들은 수술만 하였고, 2병기 환자들은 수술 후 단기간 화학요법을 시행하였다. 중간위험군 환자들은 수술 전 화학요법을 시행한 후 종양제거 수술과 수술 후 화학요법, 그리고 필요시 방사선 치료를 시행하였다. 중간위험군 환자에서는 통상적인 항암치료를 한 후에도 큰 잔존 종양이 있을 경우 고용량 화학요법 및 자가조혈모세포이식을 시행하였다. 고위험군 환자들은 통상적인 치료를 시행한 후 고용량 화학요법 및 자가조혈모세포이식, 면역요법과 분화요법 등 강력한 항암치료를 시행하였다. 결과 : 총 41명의 환자 중에서 1명에서 종양이 재발하였으며, 7명이 치료 독성으로 사명하였다. 5명의 환자가 통상적인 화학치료 중 감염으로 사망하였으며 이들 중 4명이 급성호흡곤란증후군으로 사망하였다. 그리고 2명의 환자가 고용량 화학 치료 및 자가조혈모세포이식을 하던 중 급성 심근염으로 사망하였다. 대상환자 41명의 진단 후 5년 전체 생존율(${\pm}$표준오차)은 $82.8{\pm}5.9%$였고 독성 사망과 재발을 사건으로 정의하였을 때 진단 후 5년 무사건 생존율은 $80.0{\pm}6.3%$였으며 정중 추적관찰 기간은 58개월이다. 생존율을 위험군 별로 비교하였을 때 저위험군, 중간위험군, 고위험군의 5년 무사건 생존율은 각각 100%, $68.4{\pm}10.8%$, $66.7{\pm}19.3%$였다. 결론 : 진단 시 1세 이하인 신경모세포종 환자들의 치료 성적을 더욱 향상시키기 위해서는 감염에 대한 철저한 관리와 예방이 필요하며, 독성 사망을 감소시키기 위한 새로운 치료법의 개발이 필요하다고 사료된다.

Keywords

References

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