A neonate was born with extensive erosions and ulcerations on the trunk and extremities.The eroded areas had a beefy red appearance.A biopsy taken from a small blister was stained for type VII collagen by indirect immunofluorescence. THE BEST DIAGNOSIS IS:a. bullous pemphigoid b. dominant dystrophic epidermolysis

* Albany Medical College, Albany, NY; † Beutner Laboratories, Buffalo, NY; and ‡ Department of Dermatology, State University of New York at Buffalo Jacobs School of Medicine, Buffalo, NY. Correspondence: Melissa Warne, MD, 280 Quail Street Apartment #3, Albany, NY 12208 (e-mail:[email protected]). The authors declare no conflicts of interest.