Cancer Research and Treatment

Ji Ho Nam

2 Articles

Breast cancer

The Pattern of Care for Brain Metastasis from Breast Cancer over the Past 10 Years in Korea: A Multicenter Retrospective Study (KROG 16-12): Jae Sik Kim, Kyubo Kim, Wonguen Jung, Kyung Hwan Shin, Seock-Ah Im, Hee-Jun Kim, Yong Bae Kim, Jee Suk Chang, Jee Hyun Kim, Doo Ho Choi, Yeon Hee Park, Dae Yong Kim, Tae Hyun Kim, Byung Ock Choi, Sea-Won Lee, Suzy Kim, Jeanny Kwon, Ki Mun Kang, Woong-Ki Chung, Kyung Su Kim, Ji Ho Nam, Won Sup Yoon, Jin Hee Kim, Jihye Cha, Yoon Kyeong Oh, In Ah Kim; Cancer Res Treat. 2022;54(4):1121-1129. Published online December 31, 2021; DOI: https://doi.org/10.4143/crt.2021.1083

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Purpose
We aimed to investigate manifestations and patterns of care for patients with brain metastasis (BM) from breast cancer (BC) and compared their overall survival (OS) from 2005 through 2014 in Korea.
Materials and Methods
We retrospectively reviewed 600 BC patients with BM diagnosed between 2005 and 2014. The median follow-up duration was 12.5 months. We categorized the patients into three groups according to the year when BM was initially diagnosed (group I [2005-2008], 98 patients; group II [2009-2011], 200 patients; and group III [2012-2014], 302 patients).
Results
Over time, the median age at BM diagnosis increased by 2.2 years (group I, 49.0 years; group II, 48.3 years; and group III, 51.2 years; p=0.008). The percentage of patients with extracranial metastasis was 73.5%, 83.5%, and 86.4% for group I, II, and III, respectively (p=0.011). The time interval between BC and BM was prolonged in patients with stage III primary BC (median, 2.4 to 3 years; p=0.029). As an initial brain-directed treatment, whole-brain radiotherapy alone decreased from 80.0% in 2005 to 41.1% in 2014. Meanwhile, stereotactic radiosurgery or fractionated stereotactic radiotherapy alone increased from 13.3% to 34.7% during the same period (p=0.005). The median OS for group I, II, and III was 15.6, 17.9, and 15.0 months, respectively, with no statistical significance.
Conclusion
The manifestations of BM from BC and the pattern of care have changed from 2005 to 2014 in Korea. However, the OS has remained relatively unchanged over the 10 years.

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Comparison of initial and sequential salvage brain-directed treatment in patients with 1–4 vs. 5–10 brain metastases from breast cancer (KROG 16–12)
Jae Sik Kim, Kyubo Kim, Wonguen Jung, Kyung Hwan Shin, Seock-Ah Im, Hee-Jun Kim, Yong Bae Kim, Jee Suk Chang, Jee Hyun Kim, Doo Ho Choi, Yeon Hee Park, Dae Yong Kim, Tae Hyun Kim, Byung Ock Choi, Sea-Won Lee, Suzy Kim, Jeanny Kwon, Ki Mun Kang, Woong-Ki C
Breast Cancer Research and Treatment.2023; 200(1): 37. CrossRef

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Analysis of the Prognostic Factors for Distant Metastasis after Induction Chemotherapy Followed by Concurrent Chemoradiotherapy for Head and Neck Cancer: Dong Hyun Kim, Won Taek Kim, Joo Hye Lee, Yong Kan Ki, Ji Ho Nam, Byung Joo Lee, Jin Choon Lee, Young Jin Choi, Young Mi Seol, Dong Won Kim; Cancer Res Treat. 2015;47(1):46-54. Published online August 25, 2014; DOI: https://doi.org/10.4143/crt.2013.212

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Purpose
The aim of this study is to identify the prognostic factors of distant metastasis (DM) after induction chemotherapy (IC) followed by concurrent chemoradiotherapy (CRT) for locoregionally advanced head and neck cancer (HNC). Materials and Methods A total of 321 patients with HNC who underwent IC followed by CRT treated between January 2005 and December 2010 were analyzed retrospectively. IC consisted of three courses of docetaxel (70 mg/m2) and cisplatin (75 mg/m2) every three weeks, followed by radiotherapy of 66-70 Gy/2 Gy per fraction/5 fractions per week concurrent with weekly cisplatin (40 mg/m2). Tumor/nodal stage, primary site, tumor differentiation, lower neck node involvement (level IV, VB, and supraclavicular regions), number of concurrent chemotherapy cycles, overall duration of radiotherapy, and response to IC were assessed as potential prognostic factors influencing DM and survival outcome. Results The five-year loco-regional recurrence and DM rates were 23.6% and 18.2%. N stage, overall duration of radiotherapy, lower neck node involvement, and response to IC were significant factors for DM. With a median follow-up period of 52 months (range, 4 to 83 months), the 5-year progression-free, DM-free, and overall survival rates were 41.2%, 50.7%, and 55.1%, respectively. Lower neck node involvement (p=0.008) and poor response to IC (p < 0.001) showed an association with significantly inferior DM-free survival. Conclusion Even with the addition of IC, the DM rate and survival outcome were poor when metastatic lower neck lymph nodes were present or when patients failed to respond after receiving IC.

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