Guest guest Posted August 16, 2007 Report Share Posted August 16, 2007 http://www.bcm.edu/oto/grand/05252000.html mucoceles of the paranasal sinuses-chronic cystic lesions on the paranasel sinuses, the result of obstruction of the sinus ostium. related but still distinct, lesions include sinonasel polyps and mucous retention cysts. a polyp is a inflammatory swelling of sinonasel mucosa. ,ucus retention cyst is a mucinous gland whose duct has become abstructed causeing accumulation of mucus in the gland. Quote Link to comment Share on other sites More sharing options...
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