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Periapical cyst

Case contributed by Shahmeer Khan
Diagnosis certain

Presentation

The patient presented to radiology department for OPG examination with history of lower jaw pain.

Patient Data

Age: 45 years
Gender: Female
x-ray

A well defined cyst with minimally lobulated margins is noted adjacent to the apex of lower left first and second premolar tooth. Appearances are consistent with a periapical / radicular cyst.

Case Discussion

Periapical also known as radicular cysts are generally unilocular, lucent cystic lesions with well defined margins. They are usually less than 1 cm in size, associated with the apex of teeth. There is generally history of prior infection. A close differential would be a dentigerous cyst which is associated with crown of an unerupted teeth.

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