Thiotepa-Induced Toxicity: A Clinical Mimic of Stevens-Johnson Syndrome and Toxic Epidermal Necrolysis Featuring Severe Mucositis, Diffuse Dusky Discoloration, and Skin Sloughing. Shaker N, Phelps R, Niedt G, Ben Musa R, Bhowmik R, Sangueza OP, Pradhan D The American Journal of dermatopathology