Paclitaxel-induced cutaneous change mimicking malignancy in a previous cutaneous eruption

Revista española de patología : publicación oficial de la Sociedad Española de Anatomía Patológica y de la Sociedad Española de Citología
Ana-María Salas-MartínezJosé-Fernando Val-Bernal

Abstract

Taxanes are antineoplastic drugs that can cause dermatotoxicity which can mimic an intraepidermal carcinoma. A 65-year-old woman presented with a cutaneous eruption suggestive of a paraneoplastic syndrome. Imaging studies showed multiple peritoneal nodules and associated ascites. A sample taken from the greater omentum revealed an adenocarcinoma. Clinical data and family history pointed to a gynecological origin of the tumor and the patient was treated with carboplatin and paclitaxel. A new cutaneous biopsy showed that the epidermis was acanthotic with atypical keratinocytes, abundant mitoses, and apoptotic figures, arising concerns of malignancy. According to the Plummer and Shea criteria, the lesion was ultimately interpreted as reactive cutaneous hyperplasia and expression of the taxane effect. We report, for the first time, paclitaxel-induced histologic changes on a previous cutaneous eruption. Pathologists should be aware of the profound cytopathic effects of taxane therapy in order to interpret skin biopsies of patients undergoing this treatment.

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