Well encapsulated, round to ovoid mass with smooth nodular surface
Cut surface is gray white with translucent zones representing cartilaginous and myxochondroid areas
Microscopic findings
Capsulated lesion composed of epithelial and mesenchymal like tissues
Epithelial componentconsists of well formed ducts, sheets, cords, anastomosing trabeculae and cystic spaces. Epithelial cell types are cuboidal, basaloid, plasmacytoid, spindle shaped, oncocytic or squamous.
Mesenchymal like component is constituted by myxoid, hyaline, chondroid and osseous areas.
PAS positive material is seen in the lumen of the cystic spaces
