Ring NG, Craiglow BG, Panse G, Antaya RJ, Ashack K, Ashack R, Faith EF, Paller AS, McNiff JM, Choate KA, Ko CJ. Histopathologic findings characteristic of CARD14-associated papulosquamous eruption.
J Cutan Pathol 2019;
47:425-430. [PMID:
31849081 DOI:
10.1111/cup.13633]
[Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2018] [Revised: 10/24/2019] [Accepted: 12/05/2019] [Indexed: 12/26/2022]
Abstract
BACKGROUND
Pathogenic mutations in caspase recruitment domain-containing protein 14 (CARD14) lead to CARD14-associated papulosquamous eruption, which shares clinicopathologic findings with psoriasis and pityriasis rubra pilaris. We aimed to describe distinguishing histopathologic features of CARD14-associated papulosquamous eruption.
METHODS
This retrospective study examined the histopathologic features of specimens from patients with confirmed CARD14-associated papulosquamous eruption and adult patients with plaque psoriasis and pityriasis rubra pilaris.
RESULTS
Lesional skin biopsies from patients with CARD14-associated papulosquamous eruption consistently showed alternating checkerboard parakeratosis and orthokeratosis, acanthosis without acantholysis, and dilated vessels in the dermal papillae, with some cases also showing follicular plugging.
CONCLUSION
CARD14-associated papulosquamous eruption has a range of findings, with a predominance of features typically associated with pityriasis rubra pilaris.
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