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2016 ; 7
(5
): 6335-44
Nephropedia Template TP
gab.com Text
Twit Text FOAVip
Twit Text #
English Wikipedia
Tumor deposits: markers of poor prognosis in patients with locally advanced
rectal cancer following neoadjuvant chemoradiotherapy
#MMPMID26695441
Zhang LN
; Xiao WW
; Xi SY
; OuYang PY
; You KY
; Zeng ZF
; Ding PR
; Zhang HZ
; Pan ZZ
; Xu RH
; Gao YH
Oncotarget
2016[Feb]; 7
(5
): 6335-44
PMID26695441
show ga
BACKGROUND: Tumor deposits (TDs) were reported to be poor prognoses in colorectal
carcinoma, but the significance in locally advanced rectal cancer (LARC)
(T3-4/N+) following neoadjuvant chemoradiotherapy (neo-CRT) and surgery is
unclear. Since adjuvant chemotherapy showed no benefit for LARC following
neo-CRT, it is of great value to investigate whether TDs can identify the
subgroup of patients who may benefit from adjuvant chemotherapy. METHODS: Between
2004 and 2012, 310 LARC patients following neo-CRT and surgery were
retrospectively reviewed. Overall survival (OS), disease-free survival (DFS),
distant metastasis free survival (DMFS) and local recurrence free survival (LRFS)
were evaluated by Kaplan-Meier method, log-rank test and Cox models. RESULTS:
TDs-positive patients showed adverse OS, DFS and DMFS (all P ? 0.001), but not
LRFS (P = 0.273). In multivariate analysis, TDs continued to be associated with
poor OS (HR = 2.44, 95% CI 1.32-4.4, P = 0.004) and DFS (HR = 1.99, 95% CI
1.21-3.27, P = 0.007), but not DMFS (HR = 1.77, 95% CI 0.97-3.20, P = 0.061) or
LRFS (HR = 1.85, 95% CI 0.58-5.85, P = 0.298). Among TDs-positive patients,
adjuvant chemotherapy significantly improved OS (P = 0.045) and DMFS (P = 0.026),
but not DFS (P = 0.127) or LRFS (P = 0.862). CONCLUSIONS: TDs are predictive of
poor survival in LARC after neo-CRT. Fortunately, TDs-positive patients appear to
benefit from adjuvant chemotherapy.