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Nevus oligemicus presents as a patch of livid skin that is cooler than the normal skin, as a result of decreased blood flow, in which vasoconstriction of deep vessels is thought to be the underlying defect.
- James, William; Berger, Timothy; Elston, Dirk (2005). Andrews' Diseases of the Skin: Clinical Dermatology. (10th ed.). Saunders. Page 582. ISBN 0-7216-2921-0.
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