gms | German Medical Science

Figure

Figure 1: a: Preoperative magnetic resonance imaging (MRI) – axial section (tra tse t1). The hypointense tumor represents a mass of 47.5x43x34.6 mm that infiltrates the caudal meatus acusticus externus and the parotid gland, attaining up to the sternocleidomastoid and nuchal muscles (rT4N1M0). b: Preoperative MRI – axial section (tra tse t1 with contrast agent). The tumor is characterized by inhomogeneous cysteiform contrast agent uptake. c: Preoperative MRI – coronal section (tse t1)