PMC8328710_01
Slow-growing painless mass.
CRID2021-5541320.001.jpg
PMC8328710_01_CRID2021-5541320.001.jpg
fig1
The nodular formation was reddish-pink in color, had a solid consistency, and measured approximately 40 x 15 mm with a periodontal probe (Deppeler SA, Rolle, Switzerland) (Figure 1).
Intraoral findings.
CRID2021-5541320.002.jpg
PMC8328710_01_CRID2021-5541320.002.jpg
fig2
He had been wearing the total denture using a denture adhesive (Figure 2).
Orthopantomographic image showing no underlying bone resorption or defect.
CRID2021-5541320.003.jpg
PMC8328710_01_CRID2021-5541320.003.jpg
fig3
Orthopantomographic imaging was performed, and underlying bone resorption and defects were excluded (Figure 3).
Slightly mottled, multilayered squamous epithelium over a stroma occupied by a multiplied, partially hyalinized binder.
CRID2021-5541320.004.jpg
PMC8328710_01_CRID2021-5541320.004.jpg
fig4
The histopathological assessments revealed a slightly mottled, multilayered squamous epithelium over a stroma occupied by a multiplied, partially hyalinized binder (Figure 4).
Collagen accumulations showing apple-green birefringence of amyloid under polarized light.
CRID2021-5541320.005.jpg
PMC8328710_01_CRID2021-5541320.005.jpg
fig5
The samples were subsequently stained with Congo red, following which collagen accumulations were observed with the apple-green birefringence of amyloid under polarized light (Figure 5).
Ductile formation specimen after surgical excision.
CRID2021-5541320.006.jpg
PMC8328710_01_CRID2021-5541320.006.jpg
fig6
Normal tissue healing at the follow-up assessment after 1.5 years.
CRID2021-5541320.007.jpg
PMC8328710_01_CRID2021-5541320.007.jpg
fig7
The patient was followed up for 1.5 years, during which he showed normal tissue healing and no sign of recurrence (Figure 7).