LIUYan 1 , YANGAi-min 1 , XUEJian-jun 1 , GAORui 1 , QIAOYou-mei 2 , CHENGHu 1 , GUOKun 1
  • 1. Department of Nuclear Medicine, The First Affiliated Hospital of Xi'an Jiao Tong University, Xi'an 710061, Shan'xi Province, China;
  • 2. Department of Internal Medicine, The Hospital of Sstaff and Workers of The Thirty-Ninth Research Institute of China Electronic Technology Group Corporation, Xi'an 710068, Shan'xi Province, China;
YANGAi-min, Email: yangaimin@xjtu.edu.cn
99Tcm-MIBI SPECT dual-phase imaging; B-ultrasound; Computed tomography; Parathyroid hormone; Serum calcium; Primary hyperparathyroidism
10.7507/1007-9424.20160017
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Objective To investigate the significance of 99Tcm-MIBI SPECT dual-phase imaging, B-ultrasound and CT in the diagnosis of primary hyperparathyroidism, and its relationship with the level of serum calcium (CA). Methods The clinical data of 73 patients with parathyroid dysfunction (serum parathyroid hormone (PTH) > 130 pg/mL) were retrospectively analyzed. The 99Tcm-MIBI SPECT double phase imaging were performed in 73 cases, 63 cases underwent cervical B-ultrasound examination, and 16 cases underwent CT examination. According to the serum calcium (CA) levels, the patients were divided into CA < 2.7 mmol/L group and CA > 2.7 mmol/L group, and the postoperative pathological examination and followed-up results were as the standard, the sensitivity, specificity, positive predictive value, and negative predictive value of 99Tcm-MIBI SPECT dual-phase imaging, B-ultrasound and CT for diagnosis of PHPT in different serum CA levels were compared. Results The sensitivity of 99Tcm-MIBI SPECT dual-phase imaging, B-ultrasound and CT examination for diagnosis of PHPT was 87.6%, 81.8% and 35.7%, respectively; the specificity was 87.5%, 75.5% and 50.0%, respectively; the positive predictive value was 98.2%, 93.7% and 83.3%, respectively; and the negative predictive value was 46.7%, 33.3% and 10%, respectively. The sensitivity, specificity, positive predictive value and negative predictive value of 99Tcm-MIBI SPECT dual-phase imaging and B-ultrasound examination for diagnosis of PHPT were significantly higher than those of CT examination(P < 0.05). The sensitivity, specificity, positive predictive value and negative predictive value of 99Tcm-MIBI SPECT dual-phase imaging for diagnosis of PHPT were higher than those of B-ultrasound examination, but the difference was not statistically significant (P > 0.05). In the CA < 2.7 mmol/L group, the sensitivity of 99Tcm-MIBI SPECT dual-phase imaging, B-ultrasound and CT examination for diagnosis of PHPT was 91.1%, 84.7% and 37.9%, respectively; the specificity was 80.2%, 72.9% and 49.7%, respectively; the positive predictive value was 96.8%, 96.0% and 79.4%, respectively; and the negative predictive value was 50.0%, 37.5% and 10.0%. In the CA > 2.7 mmol/L group, The sensitivity of 99Tcm-MIBI SPECT dual-phase imaging, B-ultrasound and CT examination for diagnosis of PHPT was 87.9%, 83.9% and 42.8%, respectively; the specificity was 83.3%, 79.2% and 50.0%, respectively; the positive predictive value was 96.9%, 94.1% and 75.0%, respectively; and the negative predictive value was 50.0%, 40.5% and 20.0%. There were no significant difference in the diagnostic accuracy between the 3 methods and the level of serum CV in different levels. Conclusions The diagnostic accuracy of 99Tcm-MIBI SPECT dual-phase imaging and B-ultrasound examination for diagnosis of PHPT patients with PTH > 130 pg/mL (especially parathyroid adenoma) were higher than that of CT examination, and it is not associated with the serum CA concentration.

Citation： LIUYan, YANGAi-min, XUEJian-jun, GAORui, QIAOYou-mei, CHENGHu, GUOKun. 99Tcm-MIBI SPECT Dual-Phase Imaging, B-Ultrasound, and CT in The Diagnostic Value of Primary Hyperparathyroidism. CHINESE JOURNAL OF BASES AND CLINICS IN GENERAL SURGERY, 2016, 23(1): 65-69. doi: 10.7507/1007-9424.20160017 Copy

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