My last brain MRI showed a mucus-retention cyst in the inferior portion of the left maxillary sinus. Generally, what are they and what is some options in treating this - does it usually require surgery? Also what could possibly happen if nothing is done? Thanx
Mucous retention cysts are incidental findings of small encapsulated
globules of mucous in the sinus, which is a air space in the boes of
the skull. They usually cause no problems and do not require treatment.
If the cyst blocks drainage from the sinus causing pressure build up
or infection then it may need to be surgically removed by an ENT surgeon,
otherwise it is a non-significant finding.
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