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Definition of telangiectasia in English: telangiectasia(also telangiectasis) nountɛˌlandʒɪɛkˈteɪzɪətɛlˌændʒiɛkˈteɪʒə mass nounMedicine A condition characterized by dilatation of the capillaries causing them to appear as small red or purple clusters, often spidery in appearance, on the skin or the surface of an organ. 〔医〕毛细管扩张症 Example sentencesExamples - A milder form of the same disease, termed Leber's miliary aneurysms, can present later in life as a localised cluster of dilated capillaries, aneurysms, and telangiectasia, typically in the temporal quadrants of the retina.
- Tortuous dilation of the hepatic arteries and capillary telangiectasia of the hepatic surface in the operative field were remarkable.
- More than 70% of pulmonary arteriovenous malformations are associated with the genetic condition, hereditary hemorrhagic telangiectasia, also known as the Osler-Weber-Rendu syndrome.
- Telangiectasia may be a feature of hereditary haemorrhagic telangiectasia or systemic sclerosis.
- Patients should be advised to use potent topical steroids sparingly because excessive use may lead to atrophy of the skin and telangiectasis.
Derivativesadjective Medicine They may be associated with large telangiectatic vessels or may exhibit thick scaling that mimics psoriasis. Example sentencesExamples - Nodulocystic basal cell carcinoma presents as a solitary, shiny, red nodule with large telangiectatic vessels, often seen on the face.
- The patient's medical history was significant for grade 4 osteosarcoma, telangiectatic variant, of the left femur at the age of 6 years, with bilateral lung metastases.
- Since it can be confused with several lesions, including telangiectatic osteosarcoma, awareness of this rare appearance of aneurysmal bone cyst is important to avoid unnecessary radical surgery.
- The most important differential diagnosis is with telangiectatic osteosarcoma, however, which features a disorderly proliferation of clearly malignant atypical cells in a vascular background.
OriginMid 19th century: modern Latin, from Greek telos 'end' + angeion 'vessel' + ektasis 'dilatation'. Definition of telangiectasia in US English: telangiectasia(also telangiectasis) nountɛlˌændʒiɛkˈteɪʒətelˌanjēekˈtāZHə Medicine A condition characterized by dilation of the capillaries, which causes them to appear as small red or purple clusters, often spidery in appearance, on the skin or the surface of an organ. 〔医〕毛细管扩张症 Example sentencesExamples - More than 70% of pulmonary arteriovenous malformations are associated with the genetic condition, hereditary hemorrhagic telangiectasia, also known as the Osler-Weber-Rendu syndrome.
- Telangiectasia may be a feature of hereditary haemorrhagic telangiectasia or systemic sclerosis.
- A milder form of the same disease, termed Leber's miliary aneurysms, can present later in life as a localised cluster of dilated capillaries, aneurysms, and telangiectasia, typically in the temporal quadrants of the retina.
- Tortuous dilation of the hepatic arteries and capillary telangiectasia of the hepatic surface in the operative field were remarkable.
- Patients should be advised to use potent topical steroids sparingly because excessive use may lead to atrophy of the skin and telangiectasis.
OriginMid 19th century: modern Latin, from Greek telos ‘end’ + angeion ‘vessel’ + ektasis ‘dilatation’. |