1. Some Named Superficial Vascular Lesions. A
Some Named Superficial Vascular Lesions. A. Caviar Lesions of the Tongue:Varicose veins under the tongue form bluish masses that appear as bunches of caviar.B. Scrotal venous angiomas:When the scrotum is spread out, multiple papules may be demonstrated, 3 to 4 mm in diameter, dark red or blue.C. Glomus tumor under the nail:An elevated nodule, 2 to 10 mm in diameter, may occur any place in the skin, frequently under the nail plate. It is extremely painful.D. Venous stars and arterial spiders:One form of venous star is depicted; the lesions may also appear as cascades, flares, rockets, comets, or tangles. A typical form of arterial spider, with punctum and radicles, is presented. While venous stars are bluish, spiders are fiery red. Both lesions fade with pressure. Pressing the center with a pencil tip will not blanch the branches of a star; the radicles of the spiders will fade with pressure on the punctum. The star always overlies a large vein; the spider is not associated with a visible large vessel. As seen through a pressing glass slide, the venous star does not pulsate; the arterial spider fills from the center with pulsatile spurts.E. Livedo reticularis:Seen most often on the legs, the skin is mottled, with deeply cyanosed areas interspersed with round pale spots. In one type, the discoloration disappears with warming; in others, it does not.F. Palmar erythema:An intense diffuse erythema occurs, which is deepest over the hypothenar eminence and less pronounced on the thenar eminence and the distal segments of the fingers. The erythema is not mottled.
Source: Chapter 6. The Skin and Nails, DeGowin's Diagnostic Examination, 9e
Citation: LeBlond RF, Brown DD, DeGowin RL. DeGowin's Diagnostic Examination, 9e; 2009 Available at: Accessed: January 02, 2018
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