The Xstrahl 150 X-ray system has an adaptable energy range, delivering impressive cosmetic results for superficial skin cancers. The variable energy range of the Xstrahl 150 means that superficial lesions can be successfully treated; from basal cell carcinoma, keloid scars and dermatological conditions such as psoriasis to other benign plaques. Xstrahl 150 delivers impressive cosmetic results for superficial skin cancers.