Primary myoepithelial carcinoma of rib bone: Morphology, immunohistochemical evaluation and diagnostic dilemma in an unusual case.

Myoepithelial tumors are most commonly seen as salivary gland tumors. Tumors of similar morphology and nomenclature are also seen rarely in soft tissue, skin, lungs and breast. Bone is an uncommon anatomical site for occurrence of myoepithelial tumors.