The results showed that the expression of GLUT-1, p-Akt, and PI3K proteins was higher in the atypical carcinoid and in the laryngeal squamous cell carcinoma than in precancerous lesion; however, there is no difference in expression between in the atypical carcinoid and in the laryngeal squamous cell carcinoma (Figure 7). This evidence concerns the gene SLC2A1 and laryngeal squamous cell carcinoma.