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May 1990

Figurate and Bullous Eruption in Association With Breast Carcinoma

Author Affiliations

From the Department of Dermatology, Yale University School of Medicine, New Haven, Conn.

Arch Dermatol. 1990;126(5):649-652. doi:10.1001/archderm.1990.01670290093016

• We describe a patient with two coexistent cutaneous eruptions: (1) trauma-induced bullae of the distal extremities and elbows and (2) multiple concentric gyrate lesions on the trunk and extremities, some of which became bullous. The gyrate lesions were stationary and nonpruritic. Biopsy of both types of lesions showed a subepidermal blister and a minimal inflammatory infiltrate. Direct immunofluorescence revealed linear deposition of IgG and C3 at the dermoepidermal junction and indirect immunofluorescence was negative. By immunoelectron microscopy, these immune deposits were localized to the lower lamina lucida. The eruption was not controlled despite high-dose (80 mg/d) oral administration of prednisone and required the addition of an oral administration of methotrexate (20 mg weekly). On further evaluation, an intraductal mammary carcinoma was detected. Following radiation therapy, the methotrexate and prednisone therapy were tapered without recurrence of the eruption during a follow-up period of 18 months.

(Arch Dermatol. 1990;126:649-652)