Subacute cutaneous lupus erythematosus with a psoriasiform presentation: A diagnostic clinical conundrum. Razi, S., Truong, T. M., Sekhon, P., Ouellette, S., & Rao, B. K. Clinical Case Reports, 11(9):e7893, September, 2023.
doi  abstract   bibtex   
KEY CLINICAL MESSAGE: For practitioners experiencing worsening psoriasis, subacute cutaneous lupus erythematosus (SCLE) with a psoriasiform presentation should be ruled out. Initial treatment for a presumptive diagnosis of psoriasis using hydroxychloroquine or ultraviolet phototherapy may cause SCLE to worsen. ABSTRACT: Psoriasiform subacute cutaneous lupus erythematosus is an unusual presentation scarcely reported in literature. We report a case of a 54-year-old man who presented with an itchy, papulosquamous rash of the upper extremities and face for 7 months. The initial physical examination revealed the classical morphology of psoriasis. One and a half years after the diagnosis of clinical worsening, the patient noticed a new papular eruption on the right posterior upper arm. A skin biopsy was performed, confirming a diagnosis of subacute cutaneous lupus erythematosus. This case report highlights the importance of considering rare presentations of cutaneous lupus erythematosus and therapeutic challenges in management.
@article{razi_subacute_2023,
	title = {Subacute cutaneous lupus erythematosus with a psoriasiform presentation: {A} diagnostic clinical conundrum},
	volume = {11},
	issn = {2050-0904},
	shorttitle = {Subacute cutaneous lupus erythematosus with a psoriasiform presentation},
	doi = {10.1002/ccr3.7893},
	abstract = {KEY CLINICAL MESSAGE: For practitioners experiencing worsening psoriasis, subacute cutaneous lupus erythematosus (SCLE) with a psoriasiform presentation should be ruled out. Initial treatment for a presumptive diagnosis of psoriasis using hydroxychloroquine or ultraviolet phototherapy may cause SCLE to worsen.
ABSTRACT: Psoriasiform subacute cutaneous lupus erythematosus is an unusual presentation scarcely reported in literature. We report a case of a 54-year-old man who presented with an itchy, papulosquamous rash of the upper extremities and face for 7 months. The initial physical examination revealed the classical morphology of psoriasis. One and a half years after the diagnosis of clinical worsening, the patient noticed a new papular eruption on the right posterior upper arm. A skin biopsy was performed, confirming a diagnosis of subacute cutaneous lupus erythematosus. This case report highlights the importance of considering rare presentations of cutaneous lupus erythematosus and therapeutic challenges in management.},
	language = {eng},
	number = {9},
	journal = {Clinical Case Reports},
	author = {Razi, Shazli and Truong, Thu M. and Sekhon, Palveen and Ouellette, Samantha and Rao, Babar K.},
	month = sep,
	year = {2023},
	pmid = {37736481},
	pmcid = {PMC10509344},
	keywords = {lupus erythematosus, psoriasiform lupus erythematosus, psoriasis, subacute cutaneous lupus erythematosus},
	pages = {e7893},
}

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