Generalized pustular psoriasis and subcorneal pustular dermatosis are generalized pustular dermatoses that are characterized by the subcorneal accumulation of neutrophils. Careful examination is important in distinguishing these diseases for appropriate management. Patients with acute generalized pustular psoriasis are systemically unwell with discrete pustules as opposed to the chronicity and associated hypopyon lesions in subcorneal pustular dermatosis. Generalized pustular psoriasis lesions demonstrate psoriasiform changes on histology and the increased expression of Th17 cytokines. We describe a middle-aged woman presenting with chronic annular generalized pustular psoriasis, initially mistaken for subcorneal pustular dermatosis due to their clinical and histological semblance. The patient had recurrent skin disease for 6 years despite conventional therapy of oral retinoid, immunosuppressant and biologic therapy. Complete and persistent clearance of her skin lesions was achieved with secukinumab, an interleukin 17A inhibitor.
Background
Atopic dermatitis is a common chronic skin disease that can occur in pregnancy. Current treatments include topical and systemic glucocorticoids and cyclosporine. Presently, the only biologic approved for atopic dermatitis is dupilumab with limited data available regarding its safety profile in pregnancy.
Case presentation
We report a case of severe atopic dermatitis treated safely with dupilumab with no adverse maternal or fetal outcomes and resolution of atopic dermatitis postpartum in the absence of maintenance dupilumab therapy.
Conclusion
Here we demonstrate the safe use of dupilumab in pregnancy. Further research is needed to elucidate the role of dupilumab in the management of atopic dermatitis during pregnancy.
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