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KMID : 0032220120240040455
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Annals of Dermatology
2012 Volume.24 No. 4 p.455 ~ p.458
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Three Cases of ’Morsicatio Labiorum’
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Kang Ho-Song
Lee Ha-Eun
Ro Young-Suck
Lee Chang-Woo
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Abstract
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Morsicatio labiorum is a form of tissue alteration caused by self-induced injury, mostly occurring on the lips, and is considered to be a rarely encountered mucocutaneous disorder. Clinically, it is a macerated grey-white patch and plaque of the mucosa caused by external stimuli (self- induced injury) such as habitual biting, chewing, or sucking of the lip. It is often confused with other dermatological disorders involving the oral mucosa, which can lead to a misdiagnosis. We herein report three cases of morsicatio labiorum; two cases were misdiagnosed as exfoliative cheilitis at the time of the first visit. (Ann Dermatol 24(4) 455∼458, 2012)
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KEYWORD
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Lip, Morsicatio labiorum, Sucking behavior
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