central nervous system mesenchymal non-meningothelial tumor +
congenital epulis
Desmoid-type fibromatosis +
fibromyxoid tumor +
glomus tumor +
inflammatory myofibroblastic tumor +
A multinodular intermediate fibroblastic neoplasm that arises from soft tissue or viscera, in children and young adults. It is characterized by the presence of spindle-shaped fibroblasts and myofibroblasts, and a chronic inflammatory infiltrate composed of eosinophils, lymphocytes, and plasma cells.
juvenile hyaline fibromatosis
kaposiform hemangioendothelioma
malignant soft tissue neoplasm +
Mazabraud syndrome
mediastinal mesenchymal tumor +
mixed endometrial stromal and smooth muscle tumor +