Tamoxifen-related porphyria cutanea tarda

Author: Agarwal R.   Peters T.   Coombes R.   Vigushin D.  

Publisher: Humana Press, Inc

ISSN: 1357-0560

Source: Medical Oncology, Vol.19, Iss.2, 2002-06, pp. : 121-123

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Abstract

We report a case of porphyria cutanea tarda (PCT) in a patient with breast cancer following adjuvant tamoxifen. Cessation of tamoxifen resulted in a prompt decline in urinary porphyrins suggestive of a causative role. Tamoxifen is known to be hepatotoxic; however, its association with PCT is unclear. In this report, we discuss the porphyrinogenicity of tamoxifen and potential mechanisms.