Chemotherapy-Induced Skin Changes Masquerading as Squamous Cell Carcinoma In Situ in a Post-Bone Marrow Transplant Patient

Bone marrow transplant recipients are at risk of many complications, including those associated with preconditioning therapy with alkylating agents. These agents are known to cause mild epithelial atypia at extracutaneous sites such as cervical epithelium, bronchial epithelium, and urothelium. We report an extremely rare case of a post–bone marrow transplant recipient with severe cutaneous (“skin only”) epithelial atypia mimicking squamous …