An osteoma is a new piece of bone usually growing on another piece of bone, typically the skull. It is a benign tumor. When the bone tumor grows on other bone it is known as "homoplastic osteoma"; when it grows on other tissue it is called "heteroplastic osteoma". , "Osteoma cutis" , "Osteoid osteoma": An osteoid osteoma is a small benign lesion that can occur in any bone of the...
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