For the entire dataset the irregular morphology of the tumor (P?0.001) ,the unentire membrane of the tumor (P?0.001) and the tumor with low or strong echo (P?0.001) were significantly higher in the malignant tumors.

• 附件区恶性肿瘤的患者在肿瘤形态方面与良性肿瘤相比，恶性肿瘤形态不规则（P?0.；001），包膜不完整（P?0