Ectasia(redirected from duct ectasia)
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Related to duct ectasia: intraductal papilloma, periductal mastitis
limited dilatation of the lumen of a hollow organ or blood vessel. Ectasia may be congenital, as in the case of bronchiectasis and telangiectasia. However, the condition occurs more often as a result of stenosis, above which the lumen of a hollow organ dilates. It is treated by surgery.