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A retrospective case series of 10 cases of lacrimal sac diverticula is described, along with 36 cases found on literature review. Clinical and radiologic findings, and management and outcomes are described.

The authors describe six cases of silent sinus syndrome occurring after orbital floor fracture. The radiological changes in the maxillary antrum are indistinguishable from 29 those seen in spontaneous silent sinus syndrome.

A 55-year-old man presented with progressive “enophthalmos” of his ocular prosthesis, 12 years after secondary orbital implant placement following evisceration of a severe traumatic globe rupture. The medial orbital wall was found to be displaced inwards, associated with ethmoid sinus opacification, and consistent with post traumatic silent sinus syndrome affecting the ethmoid paranasal sinuses. The authors present the clinical and radiological findings, review the literature on silent sinus syndrome of nonmaxillary sinuses, and discuss the possible mechanisms for his presentation.The authors describe a case report of ethmoid silent sinus syndrome following orbital trauma.