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ash leaf (lance ovate) spot
Hypopigmented lesions, oval, polygonal or ash leaf in shape.
Etiology:
- tuberous sclerosis (earliest cutaneous sign)
Clinical manifestations:
1) hypopigmented lesions may be present at birth
2) oval, polygonal or ash leaf in shape
3) 1-3 cm in size (average)
Laboratory:
-> lesions enhanced by Wood's lamp
General
skin lesion
References
Harrison's Principles of Internal Medicine, 13th ed.
Isselbacher et al (eds), McGraw-Hill Inc. NY, 1994, pg 296-97