Based on the clinical and imaging finding a working diagnosis of maxillary sinus cyst, most likely a mucous retention cyst was made. The differential diagnosis included mucocele and extrinsic cyst of ...

Maxillary sinus retention cysts (MRCs) are typically asymptomatic and require no treatment. An early 30s man presented with a decade-long history of severe left-sided chronic facial pain (CFP).

Two had gross disruption of the nail. Fifty-eight percent of the cysts had spontaneously drained or had been drained by the patient or a physician preoperatively. Degenerative arthritic changes ...