Solitary Fibrous Tumor of Retromolar Pad; a Rare Challenging Case

Solitary fibrous tumor has a wide spectrum of histopathologic features and many tumors show similar microscopic features. this similarity poses diagnostic chal-lenges to the pathologists and immunohistochemical analysis is required in many cases. moreover, it is a rare entity in orofacial region which consequently would make its diagnosis more challenging in oral cavity. the knowledge of various microscopic patterns of this tumor contributes to a proper diagnosis and prevents unnecessary treatment. this study reports a case of solitary fibrous tumor in the retromolar pad area and discusses its various histological features and differential diagnoses.