국내기사
Loss of heterozygosity at chromosome 16q is a negative prognostic factor in Korean pediatric patients with favorable histology Wilms tumor : a report of the Korean Pediatric Hematology Oncology Group (K-PHOG)
저자명
Jun Eun Park, O Kyu Noh, Yonghee Lee, Hyoung Soo Choi, Jung Woo Han, Seung Min Hahn, Chuhl Joo Lyu, Ji Won Lee, Keon Hee Yoo, Hong Hoe Koo, Seon-Yong Jeong, Ki Woong Sung
Loss of heterozygosity (LOH) at chromosomes 1p and 16q is a poor prognostic factor in favorable histology Wilms tumor (FHWT). This study investigated the prevalence of LOH at 1p and 16q and evaluated its prognostic value in Korean children with FHWT.
Materials and Methods
We analyzed 101 FHWT patients who were diagnosed between 1996 and 2016 in Korean Society of Pediatric Hematology Oncology Group hospitals. Using paraffin-embedded kidney tissue samples sent from each center, we reviewed LOH at 1p and 16q in each patient and assessed the prognostic value of LOH status for clinical parameters affecting event-free survival (EFS).
Results
Of the 101 patients, 12 (11.9%) experienced recurrence; the 3-year EFS was 87.6%. LOH at 1p or 16q was detected in 19 patients (18.8%), with five having LOH at both 1q and 16q. The frequency of LOH at 1p was higher among younger patients (p=0.049), but there was no difference in LOH prevalence according to tumor stage. In the multivariate analysis, LOH at 16q was a significant negative prognostic factor affecting EFS (3-year EFS, 73.7% vs. 91.1%; hazard ratio, 3.95; p=0.037), whereas LOH at 1p was not (p=0.786).
Conclusion
LOH at 16q was a significant negative prognostic factor affecting outcome in Korean pediatric FHWT patients. Due to the small sample size of this study, large-scale multicenter trials are warranted to investigate the prognostic value of LOH at 1p and 16q in Korean children with FHWT.
Gyu Sang Yoo, Hee Chul Park, Jeong Il Yu, Doo Ho Choi, Won Kyung Cho, Young Suk Park, Joon Oh Park, Ho Yeong Lim, Won Ki Kang, Woo Yong Lee, Hee Cheol Kim, Seong Hyeon Yun, Yong Beom Cho, Yoon Ah Park, Kyoung Doo Song, Seok-Hyung Kim, Sang Yun Ha
Kihwan Hwang, Tae Min Kim, Chul-Kee Park, Jong Hee Chang, Tae-Young Jung, Jin Hee Kim, Do-Hyun Nam, Se-Hyuk Kim, Heon Yoo, Yong-Kil Hong, Eun-Young Kim, Dong-Eun Lee, Jungnam Joo, Yu Jung Kim, Gheeyoung Choe, Byung Se Choi, Seok-Gu Kang, Jeong Hoon Kim, Chae-Yong Kim
Jin Soo Han, Hyoseon Ryu, In Ja Park, Kyung Won Kim, Yongbin Shin, Sun Ok Kim, Seok-Byung Lim, Chan Wook Kim, Yong Sik Yoon, Jong Lyul Lee, Chang Sik Yu, Jin Cheon Kim
Soo Young Jeong, Hyea Park, Myeong Seon Kim, Jun Hyeok Kang, E Sun Paik, Yoo-Young Lee, Tae Joong Kim, Jeong Won Lee, Byoung-Gie Kim, Duk Soo Bae, Chel Hun Choi
Junho Kang, Jae Ho Jeong, Hee-Sang Hwang, Sang Soo Lee, Do Hyun Park, Dong Wook Oh, Tae Jun Song, Ki-Hun Kim, Shin Hwang, Dae Wook Hwang, Song Cheol Kim, Jin-hong Park, Seung-Mo Hong, Kyu-pyo Kim, Baek-Yeol Ryoo, Changhoon Yoo
Seok Jin Kim, Dok Hyun Yoon, Jin Seok Kim, Hye Jin Kang, Hye Won Lee, Hyeon-Seok Eom, Jung Yong Hong, Junhun Cho, Young Hyeh Ko, Jooryung Huh, Woo-Ick Yang, Weon Seo Park, Seung-Sook Lee, Cheolwon Suh, Won Seog Kim
Jun Eun Park, O Kyu Noh, Yonghee Lee, Hyoung Soo Choi, Jung Woo Han, Seung Min Hahn, Chuhl Joo Lyu, Ji Won Lee, Keon Hee Yoo, Hong Hoe Koo, Seon-Yong Jeong, Ki Woong Sung
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