(Juvenile) Hyaline Fibromatosis
Supplemental Studies
Immunohistology
| S100 | negative |
| Actin | negative |
| Collagen type I and III | positive |
| Collagen type II and IV | negative |
| Beta-catenin | negative |
Stroma is PAS and Alcian Blue positive
| S100 | negative |
| Actin | negative |
| Collagen type I and III | positive |
| Collagen type II and IV | negative |
| Beta-catenin | negative |
Stroma is PAS and Alcian Blue positive