Violation
Radiographically, a benign bone neoplasm can be differentiated from a malignant one because in the benign lesion 1. the margins are irregular and fade into the surrounding bone. 2. the cortex remains intact. 3. the margins are defined and demarcated. 4. there can be perforation of the periosteum.
(2) and (3)
(1) and (2)
(1) (2) (4)
(2) (3) (4)