case_images: PMC10859002_01
case_images: Extraoral swelling.
case_images: cureus-0016-00000052152-i01.jpg
case_images: PMC10859002_01_cureus-0016-00000052152-i01.jpg
case_images: FIG1
case_images: Initially, it measured 0.8 x 1 cm in size and increased to a current size of 3 x 2.5 cm approximately (Figure 1A). On extraoral examination, a superoinferior lesion extended from the region of nasion to the infraorbital ridge over the left side and anteroposteriorly extended from the midline of the nose to 1.5 cm short of the columella to the line parallel to the lateral surface of the nose (Figure 1B).
case_images: Gross specimen.
case_images: cureus-0016-00000052152-i02.jpg
case_images: PMC10859002_01_cureus-0016-00000052152-i02.jpg
case_images: FIG2
case_images: Microscopic presentation: hematoxylin and eosin-stained section under low-power view (10x).
case_images: cureus-0016-00000052152-i03.jpg
case_images: PMC10859002_01_cureus-0016-00000052152-i03.jpg
case_images: FIG3
case_images: Microscopic presentation: hematoxylin and eosin-stained section under low-power view (40x).
case_images: cureus-0016-00000052152-i04.jpg
case_images: PMC10859002_01_cureus-0016-00000052152-i04.jpg
case_images: FIG4
case_images: Under a high-power view, the H&E-stained section showed a cystic cavity lined by ortho-keratinized stratified squamous epithelium of varying thickness (Figure 4, black arrow) and connective tissue wall (Figure 4, red arrow). The presence of abundant keratin in the cystic lumen was noted (Figure 4, blue arrow).