Infantile myofibromatosis: a series of 28 cases.

Background: Infantile myofibromatosis (IM) is a rare disorder of fibroblastic/myofibroblastic proliferation in children.

Objectives: We sought to document common and unusual characteristics of patients with IM.

Methods: This was a retrospective study of 28 children diagnosed with histopathologically confirmed IM between 1992 and 2012.