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Case Reports
. 2019 Aug 5;5(8):733-735.
doi: 10.1016/j.jdcr.2019.06.025. eCollection 2019 Aug.

Pityriasis rubra pilaris-like eruption in the setting of transient acantholytic dermatosis

Zoe O Brown-Joel  1 , Jina Chung  2   3 , Mary S Stone  2   4
Affiliations
Case Reports

Pityriasis rubra pilaris-like eruption in the setting of transient acantholytic dermatosis

Zoe O Brown-Joel et al. JAAD Case Rep. .
No abstract available

Keywords: Grover disease; PRP, pityriasis rubra pilaris; TAD, transient acantholytic dermatosis; acantholysis; pityriasis rubra pilaris; transient acantholytic dermatosis.

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Figures

Fig 1
Fig 1
Initial presentation of monomorphic, erythematous papules involving the trunk, clinically consistent with transient acantholytic dermatosis.
Fig 2
Fig 2
Histopathology of initial biopsy of the abdomen, which shows mild spongiotic dermatitis with acantholysis and dyskeratosis, consistent with transient acantholytic dermatosis.
Fig 3
Fig 3
Subsequent presentation of diffuse erythema with islands of sparing, clinically resembling PRP.
Fig 4
Fig 4
Histopathology of subsequent biopsy, which shows psoriasiform hyperplasia with alternating horizontal and vertical parakeratosis and orthokeratosis consistent with PRP.
See this image and copyright information in PMC

References

    1. Fernandez-Figueras M.T., Puig L., Cannata P. Grover disease: a reappraisal of histopathological diagnostic criteria in 120 cases. Am J Dermatopathol. 2010;32:541–549. - PubMed
    1. Klein A., Landthaler M., Karrer S. Pityriasis rubra pilaris: a review of diagnosis and treatment. Am J Clin Dermatol. 2010;11:157–170. - PubMed
    1. Ko C.J., Milstone L.M., Choi J., McNiff J.M. Pityriasis rubra pilaris: the clinical context of acantholysis and other histologic features. Int J Dermatol. 2011;50:1480–1485. - PubMed
    1. Avitan-Hersh E., Bergman R. The incidence of acantholysis in pityriasis rubra pilaris-histopathological study using multiple-step sections and clinicopathologic correlations. Am J Dermatopathol. 2015;37:755–758. - PubMed
    1. Lilo M.T., Yan S., Chapman M.S., Linos K. Pityriasis rubra pilaris with extensive follicular acantholysis resembling pemphigus vulgaris: a case report. Am J Dermatopathol. 2019;41:37–39. - PubMed

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