Rarest variety of Pemphigus: (A) Pemphigus vulgaris, (B) Pemphigus foliaceous, (C) Pemphigus vegetans, (D) Pemphigus erythematosus
Answer is C. Pemphigus vegetans is a localized form of pemphigus vulgaris. in which there is a localized vegetating papillomatous response. The eroded areas do not heal like usual but form papillomatous growth and vegetation. Accounts for 1-2% of pemphigus cases and is a relatively benign variant of pemphigus vulgaris. Ref Harrison20th edition pg 2435