[Silent sinus syndrome: a rare case of enophthalmia].

Introduction: The causes of spontaneous enophthalmos, without trauma, surgical factors, or systemic illness, which can be found are rare. A particular entity called silent sinus syndrome in the Anglo-Saxon literature, which concerns the long-term effect of hypoventilation of the maxillary sinus responsible for an attraction of the sinus walls, resulting in sagging of the orbital floor, itself responsible for the enophthalmos.

Case Report: We report the case about a 29-year-old woman, presenting a left-side spontaneous enophthalmos, with sinus-type pains for 2 months.