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Definition of café au lait spot
: any of the brown spots usually on the trunk, pelvis, and creases of the elbow and knees that are often numerous in neurofibromatosis —usually pluralCafé au lait spots look like big freckles and range in size from a cornflake to a football.— Barbara Bailey Kelley
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Time Traveler for café au lait spot
The first known use of café au lait spot was in 1946
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