Imiquimod and Photodynamic Therapy Are Useful in the Treatment of Porokeratosis in Children with Bone Marrow Transplantation.

Porokeratosis is an uncommon disorder that affects keratinization. Immunosuppression may favor the development of porokeratotic lesions. Patients who receive allogenic transplants represent a therapeutic challenge to dermatologists. We report two cases of porokeratosis in children with bone marrow transplant and their excellent response to imiquimod and photodynamic therapy.