Warthin tumors (WT) and pleomorphic adenomas (PA) are the most frequent parotid lesions. Despite they are both benign tumors, they are associated with different risk of recurrence and malignant degeneration, which entails diverse management.Benign parotid surgery is challenging since it requires isolation and preservation of the facial nerve, whilst completely removing the tumor.A correct preoperative planning including differential diagnosis, is therefore needed to avoid unnecessary or inadequate surgery.
In this study we use functional perfusion and diffusion MR biomarkers and we quantify their heterogeneity by a histogram analysis in order to classify WT and PA.
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