Evaluating Depth of Invasion in Tongue Carcinoma: Correlation of Intraoral Ultrasound and Magnetic Resonance Imaging and With Histopathological Findings.
BACKGROUND Tongue carcinoma requires accurate preoperative assessment of depth of invasion (DOI) for optimal management and prognostication. The 8th AJCC/UICC TNM staging system recognizes DOI as a key determinant of T-stage, risk of nodal metastases, and survival. Magnetic Resonance imaging (MRI) offers excellent soft...