Quantitation of epidermal and mucosal tissue injury using contrast agents and imaging techniques.

Background/purpose: Epidermal injury is common but the accuracy of visual methods is significantly impacted by the inherent skin pigmentation. We examined imaging and fluorescence techniques to quantify tissue injury as a function of skin color.

Methods: Epidermal and mucosal scratches were created in 20 light- (L(*) 68.

Xeroderma pigmentosum: a case report.

This paper presents a case study of a child with xeroderma pigmentosum (XP). The disease results in sensitivity to UV radiation as a result of reduced activity in a defective enzyme responsible for DNA repair. Affected individuals have a variety of clinical symptoms, which may include problems of the skin and oral mucosa, ocular manifestations, and neurologic impairment.