Three cases of lichen bullosus are reported. In 1 case in a boy of 14 a suprarenal sympathicoblastoma was found. The skin lesions healed after removal of the tumor. In the 2 other cases lichen bullosus set in 18 months and 4 years after removal of a pituitary tumor a craniopharyngeoma in a woman of 35 and a chromophobic pituitary adenoma in a man of 50. Two further cases are cited from the literature in which lichen bullosus was associated with suprarenal tumors.