mandibular mural ameloblastoma with unusual histopathologic features: a rare challenging case

Ameloblastomas demonstrate various clinical and microscopic patterns. they typically have been described as possessing three biologic variants including solid, cystic (unicystic) and peripheral, of which about 13% to 21% of all cases are unicystic. granular cell subtype is a rare variant especially when both the inner and peripheral layers of tumoral islands composed exclusively of eosinophilic granular cells. the purpose of this case report is to present a unique case of cystic ameloblastoma with an unusual radiographic and microscopic pattern affecting a 25-year-old female. awareness of these rare histopathologic features for oral pathologist is essential to help correct diagnosis.