Table 2.

Preoperative and postoperative diagnosis of the patients in this study

Case	Preoperative diagnosis	Postoperative diagnosis
1	SC or AVM	VM
2	Preauricular neoplasm	VM
3	Tumor of deep parotid or condyle	VM
4	mesenchymal or adenogenous tumors	VM
5	SC	VM
6	Giant cell granuloma	LM-VM
7	adenogenous tumors	VM
8	Malignant tumor	VM

SC: synovial chondromatosis; AVM: arteriovenous malformations; VM: venous malformations; LM: lymphatic malformations.