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Corresponding Author: Dr. Rana Saud Alshagroud, 12372 Dental University hospital, Department of Oral Medicine and Diagnostic Sciences, School of Dental Medicine, King Saud University, Riyadh 11545.
Advanced Oral and Maxillofacial Pathology Program, Department of Oral Diagnostic Sciences, School of Dental Medicine, King Saud University. Riyadh, Saudi Arabia.
Consultant, Department of Oral and Maxillofacial Surgery, King Khalid University Hospital, Dental University Hospital, King Saud University. Riyadh, Saudi Arabia.
A 20-year-old female patient was referred to the department of oral and maxillofacial
surgery at King Saud University for evaluation of a painless, expansile mass in the
left mandible of 3 months duration. The patient's past medical history was unremarkable.
Head and neck examination revealed left facial asymmetry with no paresthesia. Intraoral
examination revealed the presence of an ulcerated exophytic nodular growth in the
left premolar-molar region. The mass was red in color, firm in consistency, and bled
minimally when touched. The surface of the lesion was irregular due to the indentation
of the opposite upper teeth. Additionally, the lesion caused lingual displacement
of the left second premolar. The involved teeth were vital and positive on percussion
with a normal response to cold (Figure 1A).
Fig. 1(A) Ulcerated exophytic reddish mass causing lingual displacement of the second premolar;
(B) Orthopantogram show a periradicular well-defined radiolucency with corticated border.
The lesion extended inferiorly with maintenance of cortical boundary; (C) A CBCT demonstrates a large multilocular expansile radiolucency with metablastic
bone formation. The lesion causes expansion of the buccal cortical plate.
