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  • Title: Bilateral pneumatic blowout fractures in a patient with silent sinus syndrome while diving.
    Author: Arceneaux RL, Cooper KM, Vicinanzo MG.
    Journal: Orbit; 2024 Aug; 43(4):491-494. PubMed ID: 36855843.
    Abstract:
    A 37-year-old scuba diver developed sudden severe headache, mid-facial pressure/pain and diplopia while diving. Upon examination, he had signs and symptoms consistent with silent sinus syndrome (SSS), including bilateral enophthalmos, hypoglobus, and diplopia/strabismus in conjunction with CT findings of occluded maxillary sinus ostia, atrophic/collapsed maxillary sinuses, and bilateral orbital floor fractures with fat herniation. As there was no history of trauma or chronic sinusitis, this rare case of bilateral SSS was deemed the cause of the spontaneous fractures (i.e. barotrauma secondary to a lack of equalization to ambient surrounding pressure). Transconjunctival repair of the fractures was successful and maxillary sinus antrostomies re-established aeration of the sinuses. We present this case and its management, as well as review the literature concerning sinus barotrauma as a result of diving and SSS. There have been no reports of orbital fractures primarily caused by scuba diving, nor secondarily from diving with the rare entity, SSS.
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