Kiat-Amnuay and Bouquot described an oral keratosis in a breastfeeding infant. The authors are from the University of Texas at Houston.
Mechanism: friction from excessive suckling during breastfeeding
Clinical features:
(1) The patient is an infant with a history of excessive sucking during breastfeeding.
(2) There is a well-demarcated keratotic plaque on the lower lip mucosa just inside the vermilion border.
(3) The lesion regresses once excessive sucking stops.
Microscopic findings of a scraping:
(1) mature squamous cells with hyperkeratotic cells
(2) no evidence of yeast or pseudohyphae
Differential diagnosis:
(1) oral thrush
(2) trauma from other cause
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Specialty: Pedatrics, Nutrition
ICD-10: ,
