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  • Title: [Evaluation of the role of serum vascular endothelial growth factor and urinary basic fibroblast growth factor in differential diagnosis of vascular anomalies].
    Author: Zhang L, Chen Q, Li D, Li XW, Wang HG, Li GZ.
    Journal: Zhonghua Yi Xue Za Zhi; 2011 Apr 26; 91(16):1092-5. PubMed ID: 21609589.
    Abstract:
    OBJECTIVE: To evaluate the role of serum vascular endothelial growth factor (VEGF) and urine basic fibroblast growth factor (bFGF) in the differential diagnosis of vascular anomalies by receiver operating characteristic curve. METHODS: Using the method of enzyme linked immunosorbent assay (ELISA), 364 cases of various vascular anomalies (proliferating hemangiomas, n = 146; hemangiomas, n = 106; vascular malformations, n = 112) and 440 cases of various vascular anomalies (proliferating hemangiomas, n = 154; involuting hemangiomas, n = 148; vascular malformations, n = 138) subjects were examined for the serum levels of VEGF and the urine bFGF respectively. Nonparametric statistical tests were used for data analysis. The VEGF levels of proliferating hemangioma, involuting hemangioma, vascular malformation and control groups were analyzed by the Kruskal-Wallis test. When there was significance (P < 0.05), a subgroup analysis was performed by the Mann-Whitney U test. A receiver operator characteristic (ROC) curve was constructed for both the serum levels of VEGF and urine bFGF to determine the optimal diagnostic cut-off to differentiate proliferating hemangioma from involuting hemangioma, vascular malformation and controls. RESULTS: The serum level of VEGF and the urine bFGF in proliferating hemangiomas were significantly higher than those in involuting hemangiomas, vascular malformations and negative controls (P < 0.01). And the differences among the latter three groups were not statistically significant (P > 0.05). The optimal diagnostic cut-off point of serum VEGF and urine bFGF to differentiate proliferating hemangioma from involuting hemangioma, vascular malformation and controls was 99.6 pg/mg and 0.16 ng/mmol respectively. The area under ROC curve, the sensitivity and specificity were 99.7%, 99.3%, 99.7% and 91.9%, 98.7%, 71.1% respectively. The differences of the area under ROC curve of serum VEGF and urine bFGF showed no statistical significance (P > 0.05). CONCLUSION: Serum VEGF and urine bFGF are helpful for differentiating proliferating hemangioma from involuting hemangioma, vascular malformation and controls. Both parameters have higher values of clinical application.
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