In this report, we present a case of chronic radiation-induced dermatitis, controlled with an ultra-hydrolysed marine collagen cream. We also describe the clinical and histopathological features of chronic radiation dermatitis in a dog.

This article is of twofold interest. It describes for the first time, the clinical and histological aspects of chronic radiodermatitis (RD) in a dog and compares it with that described in humans. It also offers a treatment that has been shown to be effective, based on ultra-hydrolysed collagen, in a condition for which no treatment has been shown to be effective.