Antrostomy is the operation in which an opening is made through the nose into the maxillary ANTRUM.
n. a surgical operation to produce a permanent or semipermanent artificial opening to an *antrum in a bone, so providing drainage for any fluid. The operation is sometimes carried out to treat infection or inflammation of the *paranasal sinuses.
n. 1. surgical removal of the bony walls of an *antrum. See antrostomy. 2. (distal gastrectomy) a surgical operation in which the gastric antrum is removed. Indications for antrectomy include peptic ulcer disease resistant to medical treatment, tumours, perforation, and gastric outlet obstruction.... antrectomy
n. inflammation of one or more of the mucous-membrane-lined air spaces in the facial bones that communicate with the nose (the paranasal sinuses). It is often associated with inflammation of the nasal lining (*rhinitis) and may be acute or chronic (see rhinosinusitis). Symptoms may include pain, purulent discharge from the nose, nasal obstruction, and disturbances of the sense of smell. Many cases are self-limiting. Others require treatment with antibiotics, decongestants, or steroid nose drops. A few cases need surgery, such as sinus washouts, *antrostomy, or functional *endoscopic sinus surgery (FESS).... sinusitis
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