Objective To evaluate the feasibility of endoscopic thyroidectomy via an incision under the armpit. Methods A skin incision was made under the armpit and a channel was established to thyroid gland and endoscopic thyroidectomy was performed in 32 cases suffering from unilateral thyroid lesion including 24 cases of solitary adenoma, 5 cases of multiple adenoma, 3 cases of cystic goiter. Results The average operative time was 125 min and the average blood loss was 55 ml. There were not any postoperative complications. Conclusion Endoscopic thyroidectomy is a mini-invasive surgery. The operative field was clear and ultrasonic scalpel is capable of dealing with blood vessels during the procedure.

Objective To investigate the relationship between Lys198Asn and Taq Ⅰ polymorphisms of endothelin-1 gene and essential hypertension in Chongqing residents.Methods Polymorphisms of Lys198Asn and TaqⅠ were detected in the blood samples from 86 patients with essential hypertension(HT) and 138 normotensive controls(NT) by sequence specific primer-polymerase chain reaction(SSP-PCR) and PCR-restriction fragment length polymorphism(PCR-RFLP).Results In the BMI