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Showing 2 results for Thyroid Cancer

Esmaeil Babaei, Vahid Montazeri ,
Volume 16, Issue 3 (10-2016)

Background & objectives: According to the new theory of cancer stem cells, interruption in the self-renewal pathway of tissue stem cells can cause cancerous tumors. Current work has evaluated the role of self-renewal Oct-4 gene in thyroid tumors.

Methods: In this case-control study, the expression of Oct-4 gene has comparatively assessed between cancerous specimens, marginal tissues of tumors and non-tumoral nodules of thyroid using RT-PCR technique.

Results: Statistical analysis of data by one-way ANOVA showed that Oct-4 gene is significantly expressed in thyroid papillary carcinomas in comparison with tumor margin and non-tumoral nodules (p<0.05).

Conclusion: In conclusion, the dominant expression of Oct-4 gene in thyroid tumoral cells not only demonstrates the cancer stem cell theory but also shows its role in thyroid cancer appearance that can be used in differentiating thyroid papillary carcinomas from non-tumoral nodules as well as demarcation of tumors.

Shahriar Hashemzadeh , Davood Imani , Reza Javad Rashid , Mohammad Kazem Tarzamani , Sajjad Pourasghary ,
Volume 18, Issue 1 (3-2018)

Background & objectives: 10 year survival rates for thyroid cancer is about 90%, but papillary thyroid cancer often spread to regional lymph nodes resulting in survival rate falls below 90%. In patients with thyroid cancer, cervical lymph node metastasis risk is about 20 to 50 percent. The aim of this study was to evaluate the association between ultrasound results and the involvement of lymph nodes before thyroidectomy and compare it with the pathologic response after thyroidectomy in patients with non-medullary thyroid cancer.
Methods: 60 patients with thyroid cancer were randomly selected and entered into the study. Ultrasonographic examination of cervical lymph nodes was performed by two radiologists using an ultrasound machine in all patients diagnosed with thyroid cancer. Patients underwent total thyroidectomy and neck lymph node dissection by surgeon.
Results: In papillary thyroid cancer, there was a significant relationship between ultrasonographic results and pathologic outcomes in determining the presence of cervical lymph node metastasis before thyroidectomy. And also, there was a significant relationship between the results of ultrasonography and pathologic findings in determining the location of affected lymph nodes.
Conclusion: Compared to histological examination, ultrasonography can be a useful tool in determining the location of affected cervical lymph node in thyroid cancers before surgery.

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مجله دانشگاه علوم پزشکی اردبیل Journal of Ardabil University of Medical Sciences
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