Erythema gyratum repens associated with pityriasis rubra pilaris

Clinical and Experimental Dermatology
N AlmaaniW A D Griffiths

Abstract

Erythema gyratum repens (EGR) is a rare cutaneous eruption characterized by serpiginous morphology and a migrating scaly border. It is one of the most specific cutaneous paraneoplastic phenomena, and is associated with malignancy in most cases. We report a 46-year-old Afro-Caribbean man with the unequivocal clinical and histological features of pityriasis rubra pilaris (PRP). However, despite improvement on oral acitretin, the morphology of the eruption evolved into the striking serpiginous rash of EGR. The histology findings, although nonspecific, were in keeping with the diagnosis of EGR. No evidence of malignancy was found. Only four cases of PRP evolving into EGR have been reported in the literature, and none was associated with malignancy. All previously reported cases of EGR have been described in white patients, making our case the first reported exception, to our knowledge. The possible role of retinoids in altering the rash of PRP to that of EGR is discussed.

References

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Citations

Jun 24, 2014·Revista clínica española·M Galán-GutiérrezR Ruiz-Villaverde
Jun 19, 2013·Journal of the American Academy of Dermatology·Michael A Marchetti, Kenneth E Greer
Nov 15, 2011·Rheumatic Diseases Clinics of North America·Anjali ShahR Samuel Hopkins
Jul 27, 2012·Journal of the European Academy of Dermatology and Venereology : JEADV·F RongiolettiA Parodi
Jun 7, 2016·The Journal of Dermatology·Naomi KitayamaKenji Kabashima
Dec 2, 2017·The Australasian Journal of Dermatology·Rachael DavenportPeter Foley
Jan 6, 2018·American Journal of Clinical Dermatology·Dingyuan WangHazel H Oon
May 29, 2021·Journal der Deutschen Dermatologischen Gesellschaft = Journal of the German Society of Dermatology : JDDG·Alexander BoehnerJohannes Ring
Jul 22, 2021·Journal der Deutschen Dermatologischen Gesellschaft = Journal of the German Society of Dermatology : JDDG·Alexander BoehnerJohannes Ring

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