Abstract
Antral mucoceles are a separate entity that must be distinguished from the common, dome-shaped lesions of the floor of the sinus that are also often, although inaccurately, referred to as mucoceles. The latter lesions are known by a variety of names, including pseudocysts, and are innocuous. True antral mucoceles are potentially destructive lesions that are often secondary to trauma, especially the Caldwell-Luc procedure. This article describes in some detail the clinical, radiologic, and histopathologic features of true antral mucoceles. One type of antral mucocele, commonly seen in Japan, is referred to as a postoperative maxillary cyst and is identical to the surgical ciliated cyst of the maxilla originally reported by Gregory and Shafer.
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