Relationship of pathologic factors to efficacy of sorafenib treatment in patients with metastatic clear cell renal cell carcinoma.

Abstract:

OBJECTIVES:To evaluate the predictive value of growth patterns in patients undergoing sorafenib treatment for metastatic clear cell renal cell carcinomas (CCRCCs). METHODS:Forty-eight patients were analyzed, each of whom underwent nephrectomy and received sorafenib treatment for metastatic CCRCC. Progression-free survival (PFS) was predicted using pathologic parameters, including pathologic stage, Fuhrman nuclear grade (FNG), the presence of a sarcomatoid component, lymphovascular invasion, tumor necrosis, and growth pattern. RESULTS:Three (6%) patients showed partial response, 20 (42%) patients showed stable disease, and 25 (52%) patients showed progressive disease. Univariate analyses demonstrated that FNG, the presence of a sarcomatoid component, tumor necrosis, and growth pattern were significantly associated with PFS. In the multivariate analysis, growth pattern was the only parameter that was significantly and independently predictive of PFS. CONCLUSIONS:As a novel histologic prognostic parameter, growth pattern may be useful for predicting response to sorafenib treatment.

journal_name

Am J Clin Pathol

authors

Araki H,Tsuzuki T,Kimura T,Tanaka K,Yamada S,Sassa N,Yoshino Y,Hattori R,Gotoh M

doi

10.1309/AJCPM8RJ2ECAWOGQ

subject

Has Abstract

pub_date

2015-04-01 00:00:00

pages

492-9

issue

4

eissn

0002-9173

issn

1943-7722

pii

143/4/492

journal_volume

143

pub_type

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