1. Late-onset solitary porokeratotic eccrine ostial and dermal duct nevus
Mitchell Arbogast, MD, Daniel Bax, BS, Gyorgy Paragh, MD, Paul N. Bogner, MD 
JAAD Case Reports 
Volume 4, Issue 5, Pages (June 2018)
DOI: /j.jdcr
Copyright © 2018 American Academy of Dermatology, Inc. Terms and Conditions

2. Fig 1
Two-centimeter right buttock lesion on initial presentation with 3- to 4-mm thick yellow-brown hornlike projections.
JAAD Case Reports 2018 4, DOI: ( /j.jdcr )
Copyright © 2018 American Academy of Dermatology, Inc. Terms and Conditions

3. Fig 2
Classic cornoid lamella show a stacked tier of parakeratosis overlying a gap in the stratum granulosum with underlying keratinocyte dyskeratosis. (Hematoxylin-eosin stain; original magnification: ×100.)
JAAD Case Reports 2018 4, DOI: ( /j.jdcr )
Copyright © 2018 American Academy of Dermatology, Inc. Terms and Conditions

4. Fig 3
Cornoid lamella with stacked parakeratosis arising at the opening of an eccrine duct. Duct lumen is seen in the dermis directly below. (Hematoxylin-eosin stain; original magnification: ×100.)
JAAD Case Reports 2018 4, DOI: ( /j.jdcr )
Copyright © 2018 American Academy of Dermatology, Inc. Terms and Conditions