Multifocal reversible epithelial dysplasia mimicking carcinoma in situ after conditioning therapy with busulfan and cyclophosphamide.
Bone Marrow Transplantation (Impact Factor: 3.54). 09/1999; 24(4):446-7. DOI:10.1038/sj.bmt.1701896
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ABSTRACT: Keratinocyte dysplasia is a histologic abnormality that has rarely been described in the first weeks after chemotherapy or transplantation. The purpose of this study was to determine the prevalence of early keratinocyte dysplasia after chemotherapy or transplant and to analyze the relationship between dysplasia and chemotherapeutic agents, transplantation or development of acute graft vs. host disease (GvHD). A computer search for transplant patients was performed in the Departments of Hematology, Oncology and Surgery. Only patients with a skin biopsy taken within the first days of transplantation or chemotherapeutic treatment were included in the analysis. Forty-four patients were included, of these 19 were women and 25 were men. Thirty-four (77.3%) of 44 biopsies showed keratinocyte dysplasia. This dysplasia was severe in 18 cases (40.9%). Cyclophosphamide was more likely to be associated with severe keratinocyte maturation disturbances (OR = 5.51) (p < 0.01) whereas cytarabine was associated with a lower risk (OR = 0.19) (p < 0.05). Severe keratinocyte dysplasia is a usual histologic finding in patients who have received chemotherapy and/or transplantation (40.9%). Cyclophosphamide is the main chemotherapeutic agent significantly associated with a higher risk of severe dysplasia (OR = 5.51). Causes other than GvHD or preconditioning treatment may be involved in the keratinocyte dysplasia, as it can be also found in transplanted patients who have not received chemotherapy and/or have not developed GvHD.Journal of Cutaneous Pathology 12/2002; 29(10):579-84. · 1.77 Impact Factor
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