Ameloblastic fibroma

Ameloblastic fibroma is a benign jaw tumor of childhood (up to 25 years).

Properties

 * rare
 * grows slowly, enlarges the jaw (more often the mandible)
 * or
 * frequent occurrence in the landscape of canines and molars
 * grows centrally in the bone, grows expansively (corticalis often disappear completely)
 * sometimes recurring
 * on X-ray it looks like a limited brightening
 * formed by proliferating epithelium, surrounded by mesenchymal tissue

Microscopy

 * islets of cells variously formed in the fine connective tissue (alveolar, branching trees, etc.)
 * around sparse reticulum / fine connective tissue
 * http://old.patologie.info/vip/preparat.php?detail=536