Kimura's disease: risk factors of recurrence and prognosis

Qing-Li Chen, Srijana Dwa, Zhong-Cheng Gong, Keremu Abasi, Bin Ling, Hui Liu, Lu-Lu Hu, Bo Shao, Zhao-Quan Lin
International Journal of Clinical and Experimental Medicine 2015, 8 (11): 21414-20

OBJECTIVES: The aim of this study was to evaluate risk factors for recurrence and prognosis of Kimura's disease.

METHODS: In this study, 32 patients received surgery alone, surgery followed by steroids orally and surgery followed by radiotherapy respectively from 2003 to 2015 (male/female: 27/5, ages: 6-64 years). Retrieval of clinical data and follow-ups have been done. The clinical features used as variables include age, gender, location, multiplicity, laterality, size, duration, primary outbreak, smoking, eosinophils, systemic disease and remedies. Statistical analysis including Kaplan-Meier method, Fisher's exact test, Kruskal-Wallis H test, Mann-Whitney U-test and Cox proportional hazard regression model were performed with the SPSS 17.0. The threshold of statistical significance was set at P=0.05.

RESULTS: Median recurrence time was 29 months (2.42 years) after discharged and 56.3% patients relapsed. High recurrence rate was significantly associated with smoking habit (P=0.036). Patients who were diagnosed systemic disease (P=0.027) and were treated with surgery alone (P=0.025) or surgery followed by steroids orally (P=0.025) had short disease-free time. Furthermore, smoking habit (HR=3.383, 95% CI: 1.213-9.433, P=0.02), systemic disease (HR=4.462, 95% CI: 1.443-13.794, P=0.009), surgery alone (HR=4.668, 95% CI: 1.506-14.470, P=0.008) and surgery followed by steroids orally (HR=6.053, 95% CI: 1.330-27.556, P=0.02) were identified as risk factors for the prognosis of Kimura's disease.

CONCLUSIONS: Smoking habit, systemic diseases, surgery alone and surgery followed by steroids orally were associated with poor prognosis of Kimura's disease, and they might be prognostic markers of Kimura's disease.

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