On Routine Panographic Examination, a Uniform Round Opacity Measuring 1

question 22

Multiple Choice

On routine panographic examination, a uniform round opacity measuring 1.5 cm in diameter was noted in the floor of the maxillary sinus of a 24-year-old man. All normal landmarks in the maxilla appeared intact. The patient had no symptoms and no history of sinus problems. This lesion most likely represents which of the following?

• A) Variation of normal
• B) Necrotizing sialometaplasia
• C) Sjögren's syndrome
• D) Maxillary sinus retention cyst
• E) Carcinoma of the maxillary sinus

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