keratoacanthoma
noun
ker·a·to·ac·an·tho·ma
ˌker-ət-ō-ˌak-ˌan-ˈthō-mə 
plural keratoacanthomas also keratoacanthomata
-mət-ə
: a rapidly growing skin tumor that occurs especially in elderly individuals, resembles a carcinoma of squamous epithelial cells but does not spread, and tends to heal spontaneously with some scarring if left untreated
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“Keratoacanthoma.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/keratoacanthoma. Accessed 11 Dec. 2023.
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