Anais Brasileiros de Dermatologia
On-line version ISSN 1806-4841
GAHONA, Maria Leonor Enei and MACHADO FILHO, Carlos d' Aparecida Santos. Spontaneous involution of keratoacanthoma, iconographic documentation and similarity with volcanoes of nature. An. Bras. Dermatol. [online]. 2012, vol.87, n.2, pp.335-336. ISSN 1806-4841. http://dx.doi.org/10.1590/S0365-05962012000200031.
Through iconography, we show a case of keratoacanthoma (KA) on the nasal dorsum at two different stages of evolution (maturation and regression) and its similarity with images of the Mount St. Helens volcano and the Orcus Patera crater. Using these illustrations, we highlight why the crateriform aspect of this tumor is included in its classic clinical description. Moreover, we photographically documented the self-involuting tendency of KA, an aspect that is seldom documented in the literature.
Keywords : Carcinoma; squamous cell; Keratoacanthoma; Neoplasms.