case_images: PMC4345228_01
case_images: MRI appearance before radiotherapy.
case_images: PAMJ-19-147-g001.jpg
case_images: PMC4345228_01_PAMJ-19-147-g001.jpg
case_images: F0001
case_images: Computerised tomography (CT) and magnetic resonance imaging (MRI) of the head and neck revealed a well-defined mass measuring approximately 60 mm x 40 mm in its greatest dimension in the right parapharyngeal space (Figure 1).
case_images: Microphotography showing a compact nests cells with vesicular nuclear chromatin and prominent nucleoli (hematoxylin-eosin Gx40 (a) and GX200 (b)
case_images: PAMJ-19-147-g002.jpg
case_images: PMC4345228_01_PAMJ-19-147-g002.jpg
case_images: F0002
case_images: The tumor cells were expressing diffusely HMB-45, Melan-A but not expressing PS100, Cytokeratin, EMA, Desmin (Figure 2).
case_images: MRI appearance 20 months after radiotherapy
case_images: PAMJ-19-147-g003.jpg
case_images: PMC4345228_01_PAMJ-19-147-g003.jpg
case_images: F0003
case_images: External beam radiation therapy was performed using 6 MV X-rays from a linear accelerator, with daily fraction of 2 Gy, 5 fractions per week and a total dose of 70 Gy was delivered (Figure 3).
case_images: Ballistics used with dose volume histogram
case_images: PAMJ-19-147-g004.jpg
case_images: PMC4345228_01_PAMJ-19-147-g004.jpg
case_images: F0004
case_images: Radiologically, MRI showed significant tumor reduction (Figure 4).
case_images: CT appearance of the chin recurrence
case_images: PAMJ-19-147-g005.jpg
case_images: PMC4345228_01_PAMJ-19-147-g005.jpg
case_images: F0005
case_images: Six months later, the patient presented a tumefaction on the chin and CT showed a mass measuring approximately 50mm x 40 mm in diameter (Figure 5).