Mucocele (pyocele)

General: Accumulation and retention of muc 525f57f oid material within the sinus as a result of continuous or periodic obstruction of the sinus ostium.

Ocular: Paralysis of extraocular muscles; exophthalmos; lacrimation; erosion of bony walls of orbit; decreased visual acuity; diplopia; elevation of lower lid; ptosis; compression optic neuropathy; globe distortion; enophthalmos; epiphora; scleral indentation; choroidal folds; discharging lesion of the upper lid; pseudotelecanthus; spontaneous nontraumatic enophthalmos; local anesthesia.

Clinical: Headaches; epidural abscess; subdural empyema; meningitis; brain abscess; occlusion of nasal passage; loosening of teeth.

Abrahamson IA Jr, et al. Frontal sinus mucocele. Ann Ophthalmol 1979; 11:173-l78.

Fraunfelder FT, Roy FH. Current Ocular Therapy, 5th ed. Philadelphia: WB Saunders, 2000.

Kaufman SJ. Orbital mucopyoceles: two cases and a review. Surv Ophthalmol 1981; 25:253-262.

Moryyama H, et al. Studies on mucoceles of ethmoid and sphenoid sinuses. J Laryngol Otol I992; 106:23-27.

Ormerod LD, et al. Ophthalmic manifestations of maxillary sinus mucoceles. Ophthalmology 1987; 94:1013-l019.