Incidence of and Risk Factors for Keratinocyte Carcinoma After Pediatric Solid Organ Transplant. The lead author, Muskaan Sachdeva, MD, a first-year resident at the University of Toronto, discusses the findings of a collaborative study that identifies the risk factors for and the incidence of keratinocyte carcinoma among patients who underwent solid organ transplant during childhood compared with the general population in Ontario, Canada.