A rare location of the cutaneous horn-umbilical region

A cutaneous horn is an uncommon condition in human beings and it mimics the horn of an animal. It usually occurs in sun-exposed areas such as the face and the scalp. It is very rarely documented in nonsun exposed areas such as the penis, chest, and shoulder. An umbilical horn is one of the nonsun exposed areas and it is not documented in the literature till now. Here, we report a case of the umbilical cutaneous horn with a review of the...