telangiectasis


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telangiectasis

 [tel-an″je-ek´tah-sis]
1. the lesion produced by telangiectasia, which may be present as a coarse or fine red line or as a punctum with radiating limbs (spider).

tel·an·gi·ec·ta·sis

, pl.

tel·an·gi·ec·ta·ses

(tel-an'jē-ek'tă-sis, -sēz),
A lesion formed by a dilated capillary or terminal artery, most commonly on the skin. See: telangiectasia.

tel·an·gi·ec·ta·sis

, pl. telangiectases (tel-an'jē-ek'tă-sis, -sēz)
A lesion formed by a dilated capillary or terminal artery, most commonly on the skin.
See also: telangiectasia

telangiectasia

, telangiectasis (tel-an?je-ek-ta'ze-a) (-ek'ta-sis) [Gr. telos, end, + angeion, vessel, + ektasis, dilatation]
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TELANGIECTASIA
A vascular lesion formed by dilatation of a group of small blood vessels. It may appear as a birthmark or become apparent in young children. It may also be caused by long-term sun exposure. Although the lesion may occur anywhere on the skin, it is seen most frequently on the face and thighs. See: illustrationtelangiectatic, adjective

hereditary hemorrhagic telangiectasia

A disease transmitted by autosomal dominant inheritance marked by thinness of the walls of the blood vessels of the nose, skin, and digestive tract, as well as a tendency to hemorrhage. Synonym: Rendu-Osler-Weber syndrome

telangiectasia lymphatica

A tumor composed of dilated lymph vessels.

spider telangiectasia

Stellate angioma.
References in periodicals archive ?
Optical coherence tomography findings in idiopathic juxtafoveal retinal telangiectasis. Graefes Arch Clin Exp Ophthalmol 2007;245:783-8.
Optical coherence tomography Sndings in nonproliferative group 2a idiopathic juxtafoveal retinal telangiectasis. Retina.
T Oyakawa, "Idiopathic juxtafoveolar retinal telangiectasis," Archives of Ophthalmology, vol.
Liver samples from 50 bovines with hepatic telangiectasis, were taken between 20 to 35 minutes after death at a local slaughterhouse, fixed by immersion in cold 3%glutaraldehyde in 0.1 M phosphate buffer, post-fixed in 1% osmium tetroxide, dehydrated in alcohol, embedded in PolyBed 812 (Polysciences Inc., Warrington, Penn., USA), cut, stained with lead citrate and uranyl acetate, and observed at the light and electron microscope.
Every time you drink, it dilates the blood vessels and boozing to excess levels can also lead to the development of telangiectasis - a chronic dilation of the capillaries creating that permanent flush, or red/purple tinge, to the cheeks.
Stage Histopathologic alterations in the gills I Hypertrophy and hyperplasia of gill epithelium Sanguineous congestion Dilation of marginal vascular channels Lifting of respiratory epithelium Fusion and disorganisation of secondary gill lamellae Shortening of secondary lamellae Leukocyte infiltration of gill epithelium II Hemorrhage and rupture of lamellar epithelium Hypertrophy and hyperplasia of mucous cells Empty mucous cells or their disappearance Hypertrophy and hyperplasia of chloride cells III Lamellar aneurysm Necrosis and cell degeneration Lamellar telangiectasis Table 2.
HD is also associated with several immune disorders such as systemic lupus erythomatosus (SLE), rheumatoid arthritis, ataxia telangiectasis and other congenital immunodeficiency disorders.
Idiopathic juxtafoveolar retinal telangiectasis (IRT) must be differentiated from other systemic and ocular diseases associated with telangiectasias like diabetic retinopathy, retinal vascular occlusions, Eale's disease, retinopathy of prematurity, or sickle cell retinopathy.
Reported risk factors have been diabetes, older and younger age (neonates) and feeding tubes in neuromuscular disease patients including ataxia telangiectasis patients [1].
symptoms score male female dark shade around the eyes 10 10 pigmentation over the face 2 2 rough skin 2 5 purple discoloration of lips 2 2 purple discoloration of gums 10 5 purple discoloration of tongue 10 10 telangiectasis, vascular spider 5 5 susceptibility to subcutaneous bleeding 2 10 redness of palms, palmar erythema 2 5 tenderness of left narvel region 5 5 tenderness of right narvel region 10 10 tenderness under the narvel region 5 5 tenderness of iliocoecal region 5 2 tenderness of hypochondrial region 5 2 tenderness of sigmoid region 5 5 hemorrhoids 10 5 dysmenorrhea 10 Evaluation: 20 points and less: non-"oketsu" state.