Partial facial hemihyperplasia with 9 years of evolution: case report and review of the literature

Partial facial hemihyperplasia is a rare maxillofacial dysmorphosis of debatable etiology, and is frequently associated with relatively serious appearance and functional disorders depending on the degree of hyperplasia. We report here a case of partial facial hemihyperplasia with 9 years of evolution, describing the alterations observed during the follow-up period and discussing the main aspects of this poorly known entity.