With regard to the malignant behavior of leimyosarcoma, the most impoant criterion is:
Correct Answer: The number of mitoses per high power field
Description: An impoant microscopic criterion for distinguishing leiomyosarcoma from leiomyoma is the number of mitoses present. Greater than 10 mitoses per10 high-power fields (hpf) is associated with frank malignancy (leiomyosarcoma). Ref: Robbin's Basics of Pathology , 7th Edition, Page I090; Oncology: An Evidence-Based Approach By Alfred E. Chang, 2006, Page 944.
Category:
Pathology
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