Unresectable and chemoresistant conjunctival squamous cell carcinoma on xeroderma pigmentosum treated by salvage radiation therapy: A case report and a review of the literature

Radiotherapy, by its mechanism, has always been suspected to be contra-indicated in patients with xeroderma pigmentosum, depriving them of this very effective modality in the treatment of their cancers. As these suspicions have still not been confirmed, the place of radiotherapy should be reconsidered, while applying precautionary principles.