On Routine Panographic Examination, a Uniform Round Opacity Measuring 1

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