Pathologically examining a minimum of three lymph nodes could better determine node negativity in patients with non-metastatic chromophobe renal cell carcinoma
OBJECTIVE: To evaluate the prognostic value of lymph node (LN) involvement for patients with chromophobe renal cell carcinoma (chRCC) and ascertain the minimum number of LNs that need to be pathologically examined to reliably diagnose a patient with node negative chRCC.
METHODS: From 2004 to 2014, non-metastatic chRCC patients receiving radical nephrectomy together with lymphadenectomy were identified from the Surveillance, Epidemiology and End Results (SEER) database. The primary outcome was overall survival (OS).
RESULTS: Two hundred and forty-six patients received lymph node dissection during the surgery. Of the patients, 24 (10%) had pathologically confirmed positive LN. Multivariate Cox regression model showed that positive LN was an independent unfavorable predictor for OS (HR = 2.83, 95%CI = 1.14-6.98, P = 0.024). More importantly, LN(-) patients with at least three LNs dissected had significantly better OS compared with when 1-2 LNs were examined (P = 0.048). Multivariate analysis confirmed that in LN(-) patients, the examination of three or more LNs could independently predict better OS compared with patients with only 1-2 LNs dissected (HR≥3LNs = 0.362, 95% CI = 0.135-0.972, P = 0.044). Additionally, the likelihood of finding at least one positive LN was significantly higher on dissection of ≥3 LNs compared with examination of 1-2 LNs (15% vs 5%, P = 0.018). Decision curve analysis found a better clinical validity of the '3 LNs examined'-based classification compared with the traditional LN(-)/LN(+) classification.
CONCLUSION: The proportion of positive LNs in chRCC was far from neglectable and LN metastasis could independently predict unfavorable OS. We recommended a minimum of three LNs should be pathologically examined in order to reliably determine node negative.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2018 |
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| Erschienen: |
2018 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:48 |
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| Enthalten in: |
Japanese journal of clinical oncology - 48(2018), 10 vom: 01. Okt., Seite 942-949 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Dong, Fan [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 30.10.2018 Date Revised 21.03.2022 published: Print Citation Status MEDLINE |
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| doi: |
10.1093/jjco/hyy121 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM28775782X |
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| 245 | 1 | 0 | |a Pathologically examining a minimum of three lymph nodes could better determine node negativity in patients with non-metastatic chromophobe renal cell carcinoma |
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| 500 | |a Date Revised 21.03.2022 | ||
| 500 | |a published: Print | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a OBJECTIVE: To evaluate the prognostic value of lymph node (LN) involvement for patients with chromophobe renal cell carcinoma (chRCC) and ascertain the minimum number of LNs that need to be pathologically examined to reliably diagnose a patient with node negative chRCC | ||
| 520 | |a METHODS: From 2004 to 2014, non-metastatic chRCC patients receiving radical nephrectomy together with lymphadenectomy were identified from the Surveillance, Epidemiology and End Results (SEER) database. The primary outcome was overall survival (OS) | ||
| 520 | |a RESULTS: Two hundred and forty-six patients received lymph node dissection during the surgery. Of the patients, 24 (10%) had pathologically confirmed positive LN. Multivariate Cox regression model showed that positive LN was an independent unfavorable predictor for OS (HR = 2.83, 95%CI = 1.14-6.98, P = 0.024). More importantly, LN(-) patients with at least three LNs dissected had significantly better OS compared with when 1-2 LNs were examined (P = 0.048). Multivariate analysis confirmed that in LN(-) patients, the examination of three or more LNs could independently predict better OS compared with patients with only 1-2 LNs dissected (HR≥3LNs = 0.362, 95% CI = 0.135-0.972, P = 0.044). Additionally, the likelihood of finding at least one positive LN was significantly higher on dissection of ≥3 LNs compared with examination of 1-2 LNs (15% vs 5%, P = 0.018). Decision curve analysis found a better clinical validity of the '3 LNs examined'-based classification compared with the traditional LN(-)/LN(+) classification | ||
| 520 | |a CONCLUSION: The proportion of positive LNs in chRCC was far from neglectable and LN metastasis could independently predict unfavorable OS. We recommended a minimum of three LNs should be pathologically examined in order to reliably determine node negative | ||
| 650 | 4 | |a Journal Article | |
| 700 | 1 | |a Xu, Liqi |e verfasserin |4 aut | |
| 700 | 1 | |a Peng, Xiaoqiong |e verfasserin |4 aut | |
| 700 | 1 | |a Xu, Tianyuan |e verfasserin |4 aut | |
| 700 | 1 | |a Shen, Yifan |e verfasserin |4 aut | |
| 700 | 1 | |a Gao, Fengbin |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Xianjin |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Xiaohua |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Shanwen |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Minguang |e verfasserin |4 aut | |
| 700 | 1 | |a Zhong, Shan |e verfasserin |4 aut | |
| 700 | 1 | |a Ding, Qiang |e verfasserin |4 aut | |
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