Application value of MRI combined with positron emission tomography (PET)/CT in diagnosis and preoperative staging of tongue squamous cell carcinoma

Journal of Medical Imaging and Radiation Oncology
Wenbo ChenChanghong Liang

Abstract

This study aimed to compare and analyse the findings of tongue squamous cell carcinoma (TSCC) on MRI and positron emission tomography (PET)/CT and explore the diagnostic utility of combined MRI-PET/CT in the diagnosis and preoperative staging of TSCC. A prospective analysis of MRI and PET/CT data in 18 TSCC cases was performed. Cases were comprehensively staged on MRI and PET/CT preoperatively according to American Joint Committee on Cancer (AJCC) staging criteria and confirmed by pathological results. The highest and lowest sensitivities of preoperative AJCC staging I-IV using MRI alone, PET/CT alone and combined MRI-PET/CT were 100.0%, 100.0% and 100.0% (stage II) and 50.4%, 55.6% and 55.6% (stage I), respectively. The highest specificities were 100.0%, 100.0% and 100.0% (stage II), and the highest correct rates were 100.0%, 96.5% and 100.0% (stage II). Compared with the postoperative pathological staging, preoperative staging showed no significant difference for stages I-II and IV (P > 0.05); however, stage III showed a significant difference (P < 0.05). When combined MRI-PET/CT was compared with MRI alone in the accuracy of preoperative TSCC staging, there was no significant difference for stages I-III (P > 0.05), but there...Continue Reading

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