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KMID : 1149120200170020038
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Journal of the Korean Society for Psoriasis
2020 Volume.17 No. 2 p.38 ~ p.41
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A Case of Recalcitrant Erythrodermic Psoriasis in a Patient without a History of Psoriasis
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Kim Tae-Rim
Ha Dae-Lyong
Son Jin-Hwa
Lee Jung-Soo
Shin Ki-Hyuk
Kim Hoon-Soo
Ko Hyun-Chang
Kim Moon-Bum
Kim Byung-Soo
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Abstract
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Erythroderma presents with diffuse erythema and scaling involving all or most of the skin surface area. It can be caused by inflammatory dermatosis, drug reaction, internal malignancy or idiopathic way. Erythrodermic psoriasis (EP) is the most common type of erythroderma, accounting for about 25%. A 70-year-old man presented with diffuse erythematous patch and scaling on whole body for three months. The patient denied any previous history of inflammatory dermatosis or treatment. Laboratory tests and radiologic findings showed no evidence of internal malignancy or infection. Histopathologic findings revealed parakeratosis, Munro microabscess, regular acanthosis, and clubshaped epidermal ridges. Diagnosis of erythrodermic psoriasis was made based on clinicopathologic findings. The skin lesions were recalcitrant to systemic steroid and immunosuppressants. To our knowledge, EP without a history of psoriasis is rare and tends to be recalcitrant to various treatments. Herein, we report a rare case of recalcitrant EP without a history of psoriasis.
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KEYWORD
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Erythroderma, Erythrodermic psoriasis, Exfoliative dermatitis
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