Violation
Radiographically, a benign bone neoplasm is 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. there can be perforation of the periosteum. 4. the margins are defined and demarcated.
(2) and (4)
(4) only
All of the above
(1) (2) (3)
(1) and (3)