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Articles by Wafaa Abd Elaziz
Total Records ( 2 ) for Wafaa Abd Elaziz
  Halla Mohamed Ragab , HebatAllah Mohamed Shaaban , Nabila Abd El Maksoud , Samah Mohamed Radwan , Wafaa Abd Elaziz and Nesreen Hassan Hafez
  Background and Objective: This study examined the correlation between immunohistochemistry (IHC) expression of the Vascular Endothelial Growth Factor (VEGF) in primary breast carcinoma tissue and its concentration in blood samples of the same patients preoperatively and to the other established clinicopathological parameters namely, tumor size, grade, lymph node status, Estrogen Receptor (ER), Progesterone Receptor (PR) status and human epidermal growth factor receptor 2 (Her2-neu) score. The current study also stressed on whether the ELISA detection is more sensitive and effective in diagnosis of breast cancer. Materials and Methods: Serum concentration of VEGF was measured using Enzyme Linked Immune Sorbent Assay (ELISA) in 92 primary breast cancer patients and compared with 25 benign breast disease patients. Also, tissue expression of VEGF was measured by immunohistochemistry. Results: Serum VEGF levels were significantly elevated in patients with malignant breast cancer (p = 0.000). The median serum level in the malignant group was 579 pg mL–1 and in the control group 200 pg mL–1. On the other hand no correlation was found between concentrations of serum VEGF and clinicopathological parameters. A significant association was showed between VEGF expression and lymph node metastasis, tumor size more than 2 cm and Her2-neu status (p<0.0001). No significant association was found between VEGF and patient age, histology, grade, ER and PR status (p>0.05). All positive cases for VEGF with strong positivity (score ++) were grade 2 and 3. Conclusion: The VEGF is overexpressed in breast carcinomas compared to the benign breast disease. Tissue expression of VEGF can be used as a prognostic marker due to the significant association with the large tumor size, lymph node metastasis and positive Her2-neu status. Tissue expression of VEGF can be used as a prognostic marker due to the significant association with the large tumor size, lymph node metastasis and positive Her2-neu status.
  Halla Mohamed Ragab , Nabila Abd El Maksoud , Wafaa Abd Elaziz , Mohab H. Halim , Abdelkarim Kamel and Nour A. Abdulla
  Background and Objective: Hepatocellular carcinoma (HCC) has a rising prevalence rate worldwide. This study aims to appraise the serum survivin levels in malignant and nonmalignant chronic liver diseases (CLDs) patients and to elucidate a possible correlation between survivin and the clinico-pathological characteristics of the disease. Materials and Methods: During the period between May, 2016 and April, 2017, 96 chronic HCV patients with or without cirrhosis were included in this study. Persons with focal lesions in Ultrasound (US) and/or serum α-fetoprotein (AFP) level ≥200 ng mL–1 were investigated via triphasic computed tomography scanning (CT) and/or MRI. The levels of both survivin and AFP proteins in the serum were detected using ELISA. Results: Survivin was undetectable in 111 out of 120 serum samples (92. 5%). The survivin-positive samples (n = 9, median level, 81.46 pg mL–1, range, 9.38-223.81 pg mL–1) corresponded to 9 HCC patients who have multiple focal lesions. The sensitivity and specificity of survivin for selective detection of the HCC patients over the non-malignant CLD patients (HCV group and LC group) were 85.7 and 72%, respectively, at a cut-off value -26.196 pg mL–1. Also, using a combination of both markers improves the sensitivity, specificity, PPV, NPV to be 85.7, 95, 85.7 and 95% respectively. Conclusion: The previous results suggested that serum survivin could be a potential marker for detecting HCC development. Also, the combination between survivin and AFP is effective for increasing specificity for HCC diagnosis.
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