Malignant hemangiopericytoma in the area of a previous ameloblastoma of the mandible.
D000293:Adolescent; D000564:Ameloblastoma / Q000150:complications*; D002610:Cheek; D006393:Hemangiopericytoma / Q000150:complications*; D006801:Humans; D008297:Male; D008339:Mandibular Neoplasms / Q000150:complications*; D009062:Mouth Neoplasms / Q000150:complications*; D009364:Neoplasm Recurrence, Local; D013100:Sphenoid Bone