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Does brain radiotherapy improve survival in patients with esophageal squamous cell carcinoma with brain metastasis?
Gui-Shan Lin1, Hua-Chun Luo2, Zhi-Chao Fu3
1Department of Medical Oncology, Fujian Provincial Hospital, Provincial Clinical College, Fujian Medical University, Fuzhou 350000, China.
Background:
To investigate the clinical characteristics, influencing factors, and their impact on survival in patients with brain metastases from esophageal squamous cell carcinoma (BM-ESCC).
Methods:
A total of 67 patients with patients with newly diagnosed BM-ESCC were retrospectively analyzed from December 2000 to December 2016, in order to examine the correlation between clinicopathological characteristics and brain metastases, and between brain metastases and survival.
Results:
The number of BM-ESCC was positively correlated with T and N stages (P<0.05). The higher the T and N stages, the higher the incidence. The median survival time was 9.65 months. N stage was an independent risk factor for BM-ESCC. N0 + N1 was associated with a lower risk of brain metastases (P<0.05). Patients with 1 brain metastasis had a significantly longer survival than those with 2 and 3 brain metastases. N stage-stratified analysis revealed that N0 + N1 patients had a longer survival than N2 and N3 patients (P<0.05). Cox regression analysis revealed that mortality in T3 + T4 patients was 2.337 times that of Tis + T1 patients; mortality in N3 patients was 3.486 times that of N0 + N1 patients; and mortality in untreated patients was 2.772 times that of those treated with whole brain radiotherapy.
Conclusions:
The number of BM-ESCC is correlated to T and N stages. The higher the N stage, the higher risk of brain metastases. The higher of T and N stages in ESCC, the worse in prognosis. Whole brain radiotherapy could offer greater survival benefits.
