Table 1. Different characteristics of uterine sarcoma and uterine fibroid.

Uterine sarcoma	Uterine fibroid
Rare	Common
Poor prognosis	Good prognosis
Invasive, necrotic, and hemorrhagic	Tend to have a firm, creamy white surface
Usually occur after menopause	Develop primarily of reproductive age
Usually diagnosed at age 50 and older	Usually diagnosed around age 40–50
Cancerous	Benign