Until a few years ago mucocele of the paranasal sinuses was considered an uncommon occurrence; but owing to increasing knowledge and improved methods of diagnosis the condition is becoming more recognized. Cases are reported more frequently in the recent literature than in previous years.
Formerly symptoms of swelling in the orbital region were often diagnosed as cysts of the bone, which on closer examination at a later date proved to be mucocele. Howarth,1 in the Hunterian lecture before the Royal College of Surgeons of England, gave credit to Logan Turner of Edinburgh and Gerber of Germany for "elucidating the condition and placing it upon a scientific basis."
Mucocele is an accumulation and retention of a mucous secretion within a sinus associated with obstruction of its outlet. According to Turner,2 a previous chronic nasal catarrh is usually the reason for the inflammatory changes that take place, causing obstruction of
TREMBLE GE. METHOD OF OUTLINING MUCOCELE BY THE INJECTION OF IODIZED OIL. Arch Otolaryngol. 1931;13(6):836–841. doi:10.1001/archotol.1931.04230040052006
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