Congenital lip pit

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Congenital lip pits (also known as "Congenital sinus of the lower lip,"[1] "Lip sinus,"[1] and "Midline sinus of the upper lip"[1]) are a cutaneous condition that are divided into three types based on their location: (1) commissural; (2) upper lip; and (3) lower lip.[1]

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  1. ^ a b c d Rapini, Ronald P.; Bolognia, Jean L.; Jorizzo, Joseph L. (2007). Dermatology: 2-Volume Set. St. Louis: Mosby. ISBN 1-4160-2999-0.