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History: A 19-year-old woman was at the family dentist for a recall exam. The patient was asymptomatic.
Her past medical history was unremarkable. She was not currently taking any medications, nor did she have a history of allergies. She had no prior surgeries.
The extraoral and intraoral exams were within normal limits.
The family dentist ordered a panoramic film, which is shown below along with a cropped version. Click to enlarge the images.
The dentist noted a radiopaque lesion over the floor of the right maxillary sinus. What is the LEAST likely diagnosis?CorrectIncorrect
The dentist consulted with an oral and maxillofacial radiologist. The radiologist evaluated the panoramic film. A paragraph from the report is provided below:
There is a radiopaque lesion, well-defined, dome-shaped, noncorticated, located on the floor of the right maxillary sinus. The inferior border of the maxillary sinus is intact. There is no evidence of teeth displacement or resorption.
Based on the report, what is the most likely diagnosis suggested by the radiologist?CorrectIncorrect
Based on the panoramic film and the radiologist’s report, which of the following pathologies should be included in the differential diagnosis of a mucous retention pseudocyst?CorrectIncorrect
Most patients with a mucous retention pseudocyst present with unilateral lesions.CorrectIncorrect
Most patients with a mucous retention pseudocyst are between 40 and 50 years of age.CorrectIncorrect