Abstract：
BACKGROUND: Tumor necrosis factor-α (TNF-α) inhibitors, such as infliximab, adalimumab, and certolizumab pegol are effective agents in the treatment of inflammatory bowel disease. Some individuals undergoing anti-TNF-α therapy for Crohn\'s disease or ulcerative colitis develop psoriasiform lesions. This is a paradoxical finding, as classical psoriasis is known to respond to these agents.
OBJECTIVE: The clinical features of anti-TNF-α-induced psoriatic dermatitis are described.
METHODS: A 60-year-old man with Crohn\'s disease treated with infliximab, who developed anti-TNF-α-induced psoriasiform dermatitis, is described.
RESULTS: The man developed erythematous skin lesions in the bilateral axillae two years after beginning infliximab treatment for Crohn\'s disease. Biopsy revealed psoriasiform dermatitis, consistent with a diagnosis of anti-TNF-α-induced psoriasiform dermatitis. He was treated with clobetasol 0.05% ointment twice daily for two weeks and had significant improvement. Subsequently, he used the corticosteroid ointment two days per week and calcipotriene 0.005% ointment twice daily for five days per week to achieve and maintain clear skin.
CONCLUSIONS: Anti-TNF-α-induced psoriasiform dermatitis is an infrequent complication of infliximab therapy. However, the condition may require discontinuation of the anti-TNF-α agent. Anti-TNF-α-induced psoriasiform dermatitis should be considered in the differential diagnosis when evaluating a new erythematous skin condition in an individual with a history of inflammatory bowel disease who is being treated with a TNF-α inhibitor.
OBJECTIVE: The clinical features of anti-TNF-α-induced psoriatic dermatitis are described.
METHODS: A 60-year-old man with Crohn\'s disease treated with infliximab, who developed anti-TNF-α-induced psoriasiform dermatitis, is described.
RESULTS: The man developed erythematous skin lesions in the bilateral axillae two years after beginning infliximab treatment for Crohn\'s disease. Biopsy revealed psoriasiform dermatitis, consistent with a diagnosis of anti-TNF-α-induced psoriasiform dermatitis. He was treated with clobetasol 0.05% ointment twice daily for two weeks and had significant improvement. Subsequently, he used the corticosteroid ointment two days per week and calcipotriene 0.005% ointment twice daily for five days per week to achieve and maintain clear skin.
CONCLUSIONS: Anti-TNF-α-induced psoriasiform dermatitis is an infrequent complication of infliximab therapy. However, the condition may require discontinuation of the anti-TNF-α agent. Anti-TNF-α-induced psoriasiform dermatitis should be considered in the differential diagnosis when evaluating a new erythematous skin condition in an individual with a history of inflammatory bowel disease who is being treated with a TNF-α inhibitor.
摘要：
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