Most important indicator of malignancy in smooth muscle tumors is:: (A) Mitotic index, (B) Atypia, (C) Necrosis, (D) Cellularity
Answer is A. Ans. (a) Mitotic index(Ref: Robbins 9th/pg 1223)Indicator of malignancy in soft tissue tumors (Leiomyosarcoma): Mitotic index Q > Atypia > Necrosis.