Sirolimus-induced inflammatory papules with acquired reactive perforating collagenosis.
2008
Sirolimus is an immunosuppressive macrolide with antineoplasic properties that is increasingly used in posttransplantation immunosuppression. The treatment is frequently associated with cutaneous side effects such as sirolimus-associated acneiform facial dermatitis, which has been observed in up to 50% of treated patients. We report a 51-year-old female with liver transplantation who developed inflammatory papules and nodules on the face and the upper chest 3 weeks after the initiation of sirolimus therapy. Sequential biopsies revealed lymphocytic infiltration of the dermis with a peculiar pattern of sebotropism, while older lesions showed acquired reactive perforating collagenosis. The lesions were responsive to hydroxychloroquine treatment despite continued sirolimus treatment.
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