PMC3782764_01
Swelling on lingual surface on the left side of the mandible extending from 33 to 36.
CRIM.DENTISTRY2013-835892.001.jpg
PMC3782764_01_CRIM.DENTISTRY2013-835892.001.jpg
fig1
On intraoral examination, solitary, oval swelling measuring 4 x 2 cm in size seen on the left side of the mandible extending from 33 to 36 was noticed (Figure 1).
OPG of the patient reveals a large multilocular radiolucency.
CRIM.DENTISTRY2013-835892.002.jpg
PMC3782764_01_CRIM.DENTISTRY2013-835892.002.jpg
fig2
Panoramic radiograph revealed a huge osteodestructive lesion with well-defined multilocular radiolucency with thin corticated borders in the left side of the mandible extending from 36 to 45 (Figure 2).
Serosanguinous aspirate with blood.
CRIM.DENTISTRY2013-835892.003.jpg
PMC3782764_01_CRIM.DENTISTRY2013-835892.003.jpg
fig3
On fine needle aspiration, a serosanguinous aspirate was obtained which revealed acute inflammatory cells (consisting mainly of polymorphonuclear neutrophils) and cystic macrophages in an eosinophilic background on cytopathologic examination (Figure 3).
Cystic lumen lined by nonkeratinized stratified squamous epithelium showing prominent basal cells (H and E) 10x.
CRIM.DENTISTRY2013-835892.004.jpg
PMC3782764_01_CRIM.DENTISTRY2013-835892.004.jpg
fig4
Histopathological examination demonstrated cystic lumen lined by nonkeratinized stratified squamous epithelium showing prominent basal cells with hyperchromatic nuclei which is polarized (Figure 4).
Suprabasal layer resembles stellate reticulum proliferating intraluminally with few vacuolated cells. (H and E) 40x.
CRIM.DENTISTRY2013-835892.005.jpg
PMC3782764_01_CRIM.DENTISTRY2013-835892.005.jpg
fig5
The suprabasal layer resembles stellate reticulm like cells which are proliferating intraluminally with few vacuolated cells (Figure 5).
Squamous metaplasia of cystic lining and hyalinization of underlying connective tissue (H and E) 40x.
CRIM.DENTISTRY2013-835892.006.jpg
PMC3782764_01_CRIM.DENTISTRY2013-835892.006.jpg
fig6
The underlying connective tissue capsule shows inductive hyalinized eosinophilic band just beneath the epithelium (Figure 6).