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Dilation, especially of a hollow organ.



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.

References in periodicals archive ?
This information, combined with the further imaging demonstration of continuity of each mass with the retromandibular vein (also known as the posterior facial vein), confirmed the diagnosis of venous ectasia.
The study was initiated to investigate an alternative way to treat Keratoconus and Corneal Ectasia in patients after LASIK and PRK.
Post-LASIK ectasia occurs when the cornea weakens and bulges in a way that distorts vision--a phenomenon that can arise immediately, months, or years after surgery.
Upon upper endoscopy, the most common pathology found was gastritis (24%) followed by gastric ulcer (20%), duodenitis (16%), esophageal ulceration (16%), esophagitis (8%), gastric polyps (8%), stricture (4%) and gastric antral vascular ectasia (4%).
Among the topics are clinical biomechanics and the ocular response analyzer in ecstatic disease, pre-operative risk factors and medical and legal considerations of keratoectasia, studies of wavefront aberrometry in corneal ectasia, non-surgical treatment using contact lenses, and corneal cross-linking with riboflavin and ultraviolet irradiation.
In 2006, a small bowel capsule endoscopy was performed and gastric inflammation was identified, consistent with gastric antral vascular ectasia (GAVE) or "water-melon stomach".
Photodamaged skin displays variable epidermal thickness, dermal elastosis, decreased/fragmented collagen, increased matrix-degrading metalloproteinases, inflammatory infiltrates and vessel ectasia.
In this likeness, you see a cavitary lesion in the right upper lobe, diffuse ectasia, bronchiolitis, pleural empyema.
This year, Dr Maria was one of the paper session panelists in Keratorefractive Enhancements and acted as course instructor on the subject 'Corneal Ectasia and Keratoconus Etiology, Classification, and Updated Treatment Techniques,' informed Sameer.
Those with Marfan syndrome have a greater chance of spontaneous pneumothorax, striae atrophicae, recurrent or incisional hernia, and lumbosacral dural ectasia.
Positive findings were reported in 47% of the study population and included angiodysplasias, aphthoid and serpiginous ulcers, active bleeding, varices, stenosis with ulcers, tumor, bleeding ileal polyps, gastric ulcers and GAVE (gastric antral vascular ectasia.