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Impact of preoperative thrombocytosis on prognosis after surgical treatment in pathological T1 and T2 renal cell carcinoma: results of a multi-institutional comprehensive study

Authors
Ha, Yun-SokChung, Jae-WookChun, So YoungChoi, Seock HwanLee, Jun NyungKim, Bum SooKim, Hyun TaeKim, Tae-HwanByun, Seok-SooHwang, Eu ChangKang, Seok HoHong, Sung-HooChung, JinsooKwak, CheolKim, Yong-JuneKwon, Tae Gyun
Issue Date
8-9월-2017
Publisher
IMPACT JOURNALS LLC
Keywords
renal cell carcinoma; prognosis; thrombocytosis
Citation
ONCOTARGET, v.8, no.38, pp.64449 - 64458
Indexed
SCIE
SCOPUS
Journal Title
ONCOTARGET
Volume
8
Number
38
Start Page
64449
End Page
64458
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/82252
DOI
10.18632/oncotarget.16136
ISSN
1949-2553
Abstract
Background: The prognostic significance of preoperative thrombocytosis (TC) in renal cell carcinoma (RCC) is not without some debate. The aim of the present multi-institutional study was to determine the association of preoperative TC with the clinicopathological features and prognosis of localized RCC patients who underwent surgery in a large cohort. Methods: A study involving 8 institutions, and 4,376 patients with pT1 and pT2 RCC from the Korean renal cell carcinoma (KORCC) database, was conducted. TC was defined as a platelet count >= 400,000/mu L. Patients were divided into 2 groups based on the presence of preoperative TC. Clinicopathological variables and survival rates were compared between the 2 groups. Results: Out of the 4,376 patients in the study, 106 (2.4%) had preoperative TC. Compared to patients without TC, these patients had a lower body mass index. Additionally, these patients had more advanced stage tumors with a higher Fuhrman grade, and higher incidence of symptoms at the time of diagnosis. Kaplan-Meier curves revealed that patients with TC had a significantly lower rate of recurrence-free survival (RFS). Furthermore, a lower rate of overall survival (OS) was exhibited amongst patients with TC. Multivariate analysis revealed that TC was an independent prognostic factor in terms of the RFS and OS. Conclusions: TC appeared to be an important prognostic determinant in localized RCC. Furthermore, preoperative platelet count may be clinically useful for risk stratification of patients with surgically treated localized RCC.
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