case_images: PMC4876094_01
case_images: CT scan: the tumor was identified on the roof of the nasopharynx (arrow).. Notes: (A) Sagittal view and (B) coronal view.. Abbreviation: CT, computed tomography.
case_images: ott-9-2955Fig1.jpg
case_images: PMC4876094_01_ott-9-2955Fig1.jpg
case_images: f1-ott-9-2955
case_images: A computed tomography (CT) scan of the head and neck showed bilateral mucosal thickening in the maxillary sinus, a soft tissue density in the ethmoid and sphenoid sinuses, and a soft tissue mass in the nasopharynx (Figure 1).
case_images: The pictures show typical papillary growth pattern of glandular epithelial cells, which is usually seen in papillary thyroid carcinoma.. Notes: (A) H&E x40 and (B) H&E x100.. Abbreviation: H&E, hematoxylin and eosin.
case_images: ott-9-2955Fig2.jpg
case_images: PMC4876094_01_ott-9-2955Fig2.jpg
case_images: f2-ott-9-2955
case_images: Hematoxylin and eosin staining was performed for microscopic examination, and the lesion was characterized by papillary and glandular epithelial proliferation (Figure 2).