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Radioactive probe-guided parathyroidectomy for secondary hyperparathyroidism

Chinese Medical Journal 2014年第13期127卷 2413-2418页

作者： Yuan Fei Yu Weijia Waqas Ahmad Yang Zhixue Cao Hua Li Juncheng Jiang Guoqin Department of General Surgery the Second Affiliated Hospital ofSoochow University Suzhou Jiangsu 215004 China

Background The value of gamma probes in the surgical treatment of secondary hyperparathyroidism （sHPT） was determined.The aim of this study was to enhance the rate of successful total parathyroidectomy in patients with sHPT using intraoperative gamma probe investigations.Methods We retrospectively analyzed the clinical data of 48 sHPT patients between May 2007 and September 2011.Preoperative 99Tcm-methoxyisobutyl isonitrile （MIBI） scintigraphy and high-frequency ultrasonography were used for parathyroid localization.Thirty-five patients （group Ⅰ） underwent conventional neck exploration and open parathyroidectomy.Thirteen patients （group Ⅱ） underwent gamma probe-guided total parathyroidectomy and parathyroid transplantation.The two groups were compared in terms of the number of parathyroid resections,operative time,and postoperative changes in the blood levels of parathyroid hormone （PTH）,calcium,and phosphate.Results The clinical manifestations,PTH and calcium levels,age distribution,and clinical characteristics did not differ between the two groups.The accuracy of preoperative 99Tcm-MIBI scintigraphy （89.74％） for the diagnosis of hyperparathyroidism did not differ from that of ultrasonography （81.25％）.However,the accuracy of 99TcmMIBI scintigraphy （66.67％） for localizing hyperfunctioning parathyroids was significantly lower than that of ultrasonography （76.86％）.The operation time was significantly longer in group Ⅰ （（120±25） minutes） than in group Ⅱ （（90±30） minutes）.The accuracy of parathyroid identification was significantly higher in group Ⅱ （92.59％） than in group Ⅰ （80.39％）.On average,significantly fewer parathyroid specimens were obtained in group Ⅰ （2.5±0.5） than in group Ⅱ （3.5±0.5）.Compared with group Ⅰ,group Ⅱ showed a significant increase （15.4％） in the number of parathyroid resections.The PTH,calcium,and phosphate levels significantly decreased postoperatively in all patients.Conclusions Intraoperative gamma probe examination confirmed that the excised specimen was parathyroid tissue and improved the

关键词： secondary hyperparathyroidism hyperthyroidism 99Tcm-MIBI imaging gamma probe

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DETECTION OF SENTINEL LYMPH NODE IN EARLY CERVICAL CANCER

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Chinese Journal of Cancer Research 2004年第3期16卷 216-219页

作者：刘琳李斌章文华 Department of Nuclear Medicine Cancer Hospital (Institute) Peking Union Medical College and Chinese Academy of Medical Sciences Department of Gynecological Oncology Cancer Hospital (Institute) Peking Union Medical College and Chinese Academy of Medical Sciences

Objective: To assess the value of sentinel lymph node (SLN) localization by lymphoscintigraphy and gamma probe detection in early cervical cancer. Methods: A total of 27 patients with operable invasive early cervical cancer and clinically proved negative pelvic lymph nodes were included in this study. The 99Tcm-dextran of 74 MBq (2 mCi) was injected around the cervix at 2 and 10. Lymphoscintigraphy and gamma probe detection were used to find the SLN. Results: The SLN was identified in 27 patients. The sensitivity and specificity of the SLN detection to predict the metastasis of the pelvic lymph node were 100% and 100% respectively. Conclusion: Identification of the SLN using radionuclide is feasible and possible in women with early cervical cancer.

关键词： Cervical cancer Pelvic Sentinel lymph node Lymphoscintigraphy gamma probe

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