Inclusion Body Fibromatosis (Infantile Digital Fibroma)
Clinical
- Nearly all under 1 year
- Nearly all under 2 cm
- Vast majority on 3rd, 4th or 5th digits of hands and feet
- Rare lesions reported in adults and other sites
- May be multiple
- Synchronous or metachronous
- Recurrences do occur but are not destructive; never metastasizes
- Frequently spontaneous regression
