CHAPTER 39 PHOTODERMATOSES 587
Fig. 39.17.Squamous cell carcinoma in a DSH. Note punctate scabs on the external nares and philtrum.
Fig. 39.18.Erythema, thickening, and scabbing on the pinnal margins of a white 13-year-old male-castrate
DSH with solar dermatitis, actinic keratoses, and squamous cell carcinoma.