<prompt> According to Enneking system, not true regarding an active benign tumor is -IntracapsularMargin of reactive boneThick rim of reactive boneExtended curettage is treatment  <response>: According to Ennecking staging of benign tumors Stage 2 active : Progressive growth limited by natural barriers Well defined margins but may expand thinning coex Negligible reccurence after marginal recurrence Treatment -marginal resection REF : MAHESWARI 9TH ED 