case_images: PMC4772919_01
case_images: Biopsy of the patient's tumor (H&E 20x10): tumor islands comprised of poorly differentiated squamous cancer cells having intercellular bridges with macronucleoli and hyperchromatic vesicular nuclei.. Abbreviation: H&E, hematoxylin and eosin.
case_images: ott-9-945Fig1.jpg
case_images: PMC4772919_01_ott-9-945Fig1.jpg
case_images: f1-ott-9-945
case_images: A tissue biopsy was taken to confirm tumor recurrence (Figure 1).
case_images: Computer tomography scan showing response of the tumorous lesion to the cetuximab treatment located at the postauricular region extending to the parotid capsule.
case_images: ott-9-945Fig2.jpg
case_images: PMC4772919_01_ott-9-945Fig2.jpg
case_images: f2-ott-9-945
case_images: The tumor lesion had completely regressed at the time the treatment was terminated (Figure 2).