Diagnostic Tests for Telangiectasia
Telangiectasia Tests: Book Excerpts
Telangiectasia Diagnosis: Book Excerpts
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Diagnostic Tests for Telangiectasia: Online Medical Books
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Spider angioma [Arterial spider, spider nevus, spider telangiectasia, stellate angioma, vascular spider]:
History and physical examination
(Professional Guide to Signs & Symptoms (Fifth Edition))
Begin your examination by asking the patient how long he has had the spider angiomas and where they’re located. Then carefully examine him yourself, noting the size and location of the angiomas. On palpation, the angiomas may be slightly warmer than the surrounding skin and may have a pulsating central body. Also, check for other skin abnormalities, such as jaundice, dryness, and palmar erythema.
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Source: Professional Guide to Signs & Symptoms (Fifth Edition), 2006
Telangiectasias/Angiomas:
Diagnostic Approach
(Field Guide to Bedside Diagnosis)
Linear telangiectasias are simple red or blue lines that blanch with pressure and disappear with diascopy. They are common with actinic damage, rosacea, carcinoid, ataxia-telangiectasia, or cutaneous inflammation (such as discoid lupus).
Spider angiomata have a central pulsating punctum (seen with diascopy), radial legs, and a halo of pallor caused by a vascular steal phenomenon.
Periungual nailfold telangiectasias, resembling glomeruli on 10-fold magnification, are found in lupus, scleroderma, and dermatomyositis.
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Source: Field Guide to Bedside Diagnosis, 2007
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