As Vail1 has pointed out, Rollet in 1896 first suggested the term mucocele as applicable to a condition in which there are an accumulation and a retention of a mucoid secretion within a sinus owing to a continuous or a periodic closure of its ostium. As a result, there is a gradual thinning, distention or actual erosion of one or more of the walls of the sinus.
In 1921 Dabney2 listed seventy-four reported cases of mucocele of the accessory sinuses of the nose. In 1923 Thomson and M'Ilraith3 reported a case of mucocele of the frontal sinus. This was followed by Garretson's4 case in 1927, Heatly's5 two cases in 1928 and Vail's6 case in 1930.
Occlusion of the ostium from chronic inflammatory changes within the sinus or from pressure of a tumor such as an osteoma constitutes the main etiologic factor, although trauma, as
CHAMBERLIN WB, PARRY TL. MUCOCELE AS A CAUSE OF PROPTOSIS: REPORT OF SIX CASES. Arch Otolaryngol. 1933;18(2):172–180. doi:10.1001/archotol.1933.03580060186005
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