Keratoacanthoma centrifugum marginatum—A rare variant of keratoacanthoma: Case report and literature review Chao Shiang Sung, Fu Chen Chuang, Ji Chen Ho, Shang Hong Lin Dermatologica Sinica Volume 32, Issue 1, Pages 25-28 (March 2014) DOI: 10.1016/j.dsi.2013.01.002 Copyright © 2013 Terms and Conditions
Figure 1 (A) Multiple annular plaques on the upper limbs. (B) Multiple annular erythematous plaques on the trunk and neck. (C) Central cribriform atrophic scar with papulonodular hyperkeratotic borders. Dermatologica Sinica 2014 32, 25-28DOI: (10.1016/j.dsi.2013.01.002) Copyright © 2013 Terms and Conditions
Figure 2 The pathology resembles the classic keratoacanthoma dome-shaped nodular lesion with central crater-like hyperkeratosis (hematoxylin & eosin, original magnification 20×). Dermatologica Sinica 2014 32, 25-28DOI: (10.1016/j.dsi.2013.01.002) Copyright © 2013 Terms and Conditions
Figure 3 (A) Pretreatment lesions: annular plaques with papulonodular hyperkeratotic borders and central atrophic scarring. (B) Skin lesions after 3 months of treatment: the borders of the skin lesions showed flattening. Dermatologica Sinica 2014 32, 25-28DOI: (10.1016/j.dsi.2013.01.002) Copyright © 2013 Terms and Conditions