Supplemental figures and video

Supplemental figure 1: Pedunculated earlobe keloid (preoperative) Supplemental figure 2: Post keloid excision (posterior aspect) Supplemental figure 3: Post keloid excision with intravenous cannula in situ (anterior aspect) Supplemental figure 4: Post split earlobe repair with intravenous cannula in situ (anterior aspect) Supplemental video 1: Earlobe keloid excision with intraoperative placement of intravenous cannula for maintaining the patency of ear-piercing hole补充图1：带蒂耳垂瘢痕疙瘩（keloid，术前） 补充图2：瘢痕疙瘩切除术后（后侧观） 补充图3：瘢痕疙瘩切除术后伴静脉套管（intravenous cannula）留置（前侧观） 补充图4：耳垂裂开修补术后伴静脉套管留置（前侧观） 补充视频1：术中留置静脉套管以维持耳洞通畅性的耳垂瘢痕疙瘩切除术