99Tcm-MIBI SPECT/CT in diagnosis of color Doppler ultrasound uncertain cervical lymph node metastasis after surgical resection of papillary thyroid carcinoma
10.13929/j.issn.1003-3289.2020.10.004
- VernacularTitle: 99Tcm-MIBI SPECT/CT诊断甲状腺乳头状癌术后彩色多普勒超声疑似颈部淋巴结转移
- Author:
Changjiang LIU
1
Author Information
1. Department of Nuclear Medicine, Xingyi People's Hospital
- Publication Type:Journal Article
- Keywords:
Lymphatic metastasis;
Technetium Tc 99m sestamibi;
Thyroid cancer, papillary;
Tomography, emission-computed, single-photon;
Tomography, X-ray computed
- From:
Chinese Journal of Medical Imaging Technology
2020;36(10):1456-1460
- CountryChina
- Language:Chinese
-
Abstract:
Objective:To explore the value of 99Tcm-MIBI SPECT/CT in diagnosis of color Doppler ultrasound (CDUS) uncertain cervical lymph node metastasis after surgical resection of papillary thyroid carcinoma (PTC). Methods: A total of 31 patients with CDUS uncertain cervical lymph node metastasis after surgical resection of PTC were collected. 99Tcm-MIBI SPECT/CT of the neck was performed one month within operation, then 99Tcm-MIBI SPECT/CT, 131I SPECT/CT of the neck were performed within 15 days. The diagnostic efficiency of 99Tcm-MIBI SPECT/CT was observed. Results: Among 31 PTC patients, cervical lymph node metastases were detected in 6 (6/31, 19.35%) patients. The sensitivity, specificity, accuracy, positive predictive value (PPV) and negative predictive value (NPV) of 99Tcm-MIBI SPECT/CT was 66.67% (4/6), 96.00% (24/25), 90.32% (28/31), 80.00% (4/5) and 92.31% (24/26), respectively. Totally 14 cervical metastatic lesions were found, the sensitivity and PPV of 99Tcm-MIBI SPECT/CT in diagnosis of cervical metastatic lesions was 71.43% (10/14) and 83.33% (10/12), of 131I SPECT/CT was 28.57% (4/14) and 100% (4/4), respectively. 99Tcm-MIBI SPECT/CT showed higher sensitivity than 131I SPECT/CT (χ2=5.14, P<0.05) and similar PPV (Fisher exact test, P>0.05). Conclusion: 99Tcm-MIBI SPECT/CT could be used to correctly localize most cervical lymph node metastasis of PTC, providing further information for judging 131I SPECT/CT and CDUS uncertain cervical lymph node metastases in postoperative PTC patients.
