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Chinese Journal of Endocrine Surgery ; (6): 298-301, 2015.
Artigo em Chinês | WPRIM | ID: wpr-480742

RESUMO

Objective To explore the value of carbon nanoparticles in patients with papillary thyroid carcinoma (PTC) undergoing total thyroidectomy combined with ipsilateral central lymph node dissection.Methods 43 patients with unilateral PTC were retrospectively analyzed.All patients underwent total thyroidectomy combined with central lymph node dissection.Patients were divided into carbon nanoparticles group and the control group according to whether carbon nanoparticles were used in the operation.The operation time,postoperative hospitalization time,the serum calcium level and its rate of change,the parathyroid hormone and its rate of change on the 1 st day after surgery,the number of central lymph node and the transfer rate,and the postoperative complications were compared between the 2 groups.Results There was no statistical difference between the 2 groups in operation time(P > 0.05),while the postoperative hospitalization time of the carbon nanoparticles group was shorter than that of the control group(P < 0.05).The serum calcium and the parathyroid hormone on the 1 st day after surgery in the carbon nanoparticles group was (2.31 ± 0.13) mmol/L and (33.45 ± 14.37) pg/ml respectively,higher than those of the control group (P < 0.05).The low blood calcium rate (3/20 (15%)),the temporary hypoparathyroidism rate (2/20 (10%)) and the decline degree of parathyroid hormone (47.3 ± 14.31)% in the carbon nanoparticles group were lower than those of the control group(P <0.05).The number of central lymph node dissected (9.45 ± 2.33) pieces/case in the carbon nanoparticles group was more than that of the control group (P < 0.05).The number of lymph node in the right recurrent laryngeal nerve (3.12 ± 0.65) pieces/case was more than that of the control group(P < 0.05).The lymph node metastasis rate had no significant difference between the 2 groups(P > 0.05).The incidence of postoperative complications in the carbon nanoparticles group was lower than that of the control group (P < 0.05).Conclusion The application of carbon nanoparticles in total thyroidectomy combined with central lymph node dissection can contribute to the recognition and protection of parathyroid glands and its blood supply,improve the rate of central lymph node dissection,and reduce the incidence of postoperative complications.

2.
Chinese Journal of Endocrine Surgery ; (6): 294-297,306, 2012.
Artigo em Chinês | WPRIM | ID: wpr-624306

RESUMO

ObjectiveTo investigate the expression of a disintegrin-like and metalloproteinase 8 ( ADAM8 ) in breast cancer and in normal breast tissues and its negative regulation role in tumorigenesis and progress of breast cancer.MethodsThe expression of ADAM8 in breast cancer and normal breast tissues was detected by immunohistochemistry (IHC),qRT-PCR,and Western blot.The relation between ADAM8 expression and the clinicopathological parameters of breast cancer patients was analyzed.ResultsADAM8 was expressed in breast cancer and normal breast tissues.The expression of ADAM8 mRNA and protein was significantly lower in breast cancer than in normal breast tissues (qRT-PCR:P =0.015,IHC:P =0.044,Western blot:P =0.000).The expression rate of ADAM8 was related to lymph node metastasis,tumor stage and tumor size,although the difference had no statistical significance.IHC results showed that ADAM8 expression level was lower in stage Ⅲ + Ⅳthan in stage Ⅰ + Ⅱ ( P =0.574 ).qRT-PCR showed ADAM8 mRNA expression was lower in stage Ⅱb + Ⅲ than in stage Ⅰ + Ⅱ a ( P =0.247).ADAM8 expression was lower in the breast cancer tissues with lymph node metastasis than in those without lymph node metastasis (P =0.560 by IHC and P =0.592 by qRT-PCR).ADAM8 expression was lower in tumors whose size > 2 cm than in tumors whose size ≤ 2 cm,however,the difference had no statistical significance ( P > 0.05 ).ConclusionsADAM8 is significantly lower-expressed in breast cancer than in normal breast tissues,which is associated with clinical stages and lymph node metastasis.The reduced expression of ADAM8 may play a role in the pathogenesis and progress of breast cancer.

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