In this article, we present a study on the levels of epidermal growth factor (EGF), its phosphorylated receptor (p-EGFR) and transforming growth factor-β1 (TGF-β1) in the sera of patients with hepatocellular carcinoma (HCC) and chronic hepatitis C (CHC) infection. The results reveal significant higher serum levels of EGF and TGF-β1 in patients with HCC compared to their level in patients with CHC infection and control subjects. The levels of p-EGFR in HCC and CHC patients show a highly significant difference between patients. Based on the best cutoff value of 914 pg/ml, EGF shows 63.3 % sensitivity and 87.5 % specificity for HCC patients where the area under the curve is 0.81. The p-EGFR shows sensitivity of 63.3 % and specificity of 100 % where the area under the curve is 0.87 for HCC patients based on the best cutoff value of 39 U/mg protein. The best cutoff value (370 pg/ml) for serum TGF-β1 displays sensitivity of 86.7 % and specificity of 100 %, where the area under the curve is 0.97 for HCC patients.
Aims: To evaluate the effect of subclinical and overt hypothyroidism on mean platelet volume (MPV) and platelet distribution width (PDW). Study Design: Cross sectional study. Place and Duration of Study: Outpatient Clinic of Diabetes, Metabolism and Endocrinology Unit in internal medicine department and clinical pathology, Tanta University, Egypt in a period between June 2018 to June 2019. Methodology: We tested 250 subjects; 50 healthy control and 200 hypothyroid patients (all were female; age ≥18 years old age) without any medical history, then patients were subdivided into newly diagnosed group and another group on l-thyroxin treatment. Platelet parameters (MPV, PDW) were assessed in all of them. Results: MPV & PDW is increasing in hypothyroid patients than control group (8.93 ± 0.62), more in overt group (10.88 ± 0.57) than subclinical group (10.02 ± 0.55). No significant reduction in MPV and PDW in patients on l-thyroxin treatment which suggest that l-thyroxin treatment couldn’t produce difference till patients reaching their target level being euthyroid. Conclusion: We recommend the usefulness of MPV and PDW as inexpensive markers of platelet activation in diagnostic work-up of athero-thrombotic complications risk in patients with subclinical and overt hypothyroidism.
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