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CURRENT ISSUETHE QUARTERLY JOURNAL OF NUCLEAR MEDICINE AND MOLECULAR IMAGING

A Journal on Nuclear Medicine and Molecular Imaging

A Journal on Nuclear Medicine and Molecular Imaging
Affiliated to the Society of Radiopharmaceutical Sciences and to the International Research Group of Immunoscintigraphy
Indexed/Abstracted in: Current Contents/Clinical Medicine, EMBASE, PubMed/MEDLINE, Science Citation Index (SciSearch), Scopus
Impact Factor 2,413

Frequency: Quarterly

ISSN 1824-4785

Online ISSN 1827-1936

 

The Quarterly Journal of Nuclear Medicine and Molecular Imaging 2015 Mar 31

A Comparative Study of 18F-FDG PET/CT and ultrasonography in the diagnosis of breast cancer and axillary lymph node metastasis

He X. 1, Shao M. 2, Huo Y. 3, Sun L. 3, Ma C. 4

1 Department of Oncology, Affiliated Hospital of Medical College, Qingdao University, Qingdao, Shandong Province, China;
2 Department of Surgery, Linyi People’s Hospital, Linyi, Shandong, China;
3 Department of Internal Medicine, People’s Hospital of RiZhao, RiZhao, Shandong, China;
4 Nuclear Medicine, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China

OBJECTIVE: To compare the diagnostic value of 18F-­FDG-­PET/CT (PET/CT) with ultrasonography (US) in detection of primary breast cancer and axillary lymph nodes (ALN) metastasis of breast cancer.
METHODS: One hundred and sixty four patients with breast carcinoma were recruited and analyzed retrospectively. All patients underwent PET-­CT and US. The PET/CT scan results for the diagnosis of primary breast cancer were compared with US. The diagnostic accuracy of PET/CT in detecting ALN metastasis was compared with histopathology.
RESULTS: In 164 patients with cytologically established breast carcinoma, the sensitivity of PET/CT and US in the diagnosis of breast cancer were 86% (141/164), 91% (149/164), respectively. The sensitivity, specificity of PET/CT and US in ALN staging were 46% and 54%, 91% and 91%, respectively. The diagnostic accuracy of PET/CT correlated with the ALN size, the SUV max of primary breast cancer (p=0.02 and 0.04).
CONCLUSION: PET/CT is very expensive, and not superior to US in detection of primary breast cancer and in ALN staging, but superior in detecting distant metastases. PET/CT cannot be recommended as a primary diagnostic procedure in early breast cancer. US should still remain the first line for the diagnosis of stage I breast cancer. In relation to the detection of axillary node metastases, both PET/CT and ultrasonography have poor sensitivity, and cannot replace staging by using the sentinel node procedure.

language: English


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