Hypertrichosis of the pinnae in a patient using panitumumab

Abstract

Various subgroups of epidermal growth factor receptor inhibitors (EGFRIs) are increasingly being used in the treatment of several cancers. However, as a generalized class effect, they are frequently associated with a wide spectrum of dermatological adverse reactions affecting skin, hair and nail of varying severity.A 53-year-old male with metastatic rectal cancer receiving every two weeks infusions of panitumumab, a human monoclonal antibody targeting EGFR, presented with a generalized acneiform papulopustular eruption (Grade 3 according to the Common Terminology Criteria for Adverse Events version 4.03).

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