case_images: PMC10703524_01
case_images: Computed tomography scan images showing a nonenhancing isodense mass lesion occupying the posterior nasal cavity, nasopharynx, and inferiorly to the oropharynx.
case_images: CRIOT2023-9942293.001.jpg
case_images: PMC10703524_01_CRIOT2023-9942293.001.jpg
case_images: fig1
case_images: It measured 73.8 x 26.3 x 28.6 mm (Figure 1).
case_images: Excised "cerebriform" mass.
case_images: CRIOT2023-9942293.002.jpg
case_images: PMC10703524_01_CRIOT2023-9942293.002.jpg
case_images: fig2
case_images: The patient had examination under general anesthesia and endoscopic-assisted excision of the mass, which was easily dissected whole from the adjoining mucosa and structures (Figure 2) and was sent for histopathology.
case_images: Micrograph H&E @ x100 showing a section of the nasopharyngeal mass lined by the respiratory-type epithelium with invagination into the stroma, forming glands that have ciliated epithelial lining and outer prominent basement membrane consistent with a respiratory epithelial adenomatoid hamartoma.
case_images: CRIOT2023-9942293.003.jpg
case_images: PMC10703524_01_CRIOT2023-9942293.003.jpg
case_images: fig3
case_images: There were also numerous dilated glands surrounded by thick basement membranes with congested vessels and areas of hyaline change, as well as deep infiltration of the tissue with numerous lymphocytes (Figure 3).