PURPOSE: To evaluate the effect of intralesionalinjection of Pingyangmycin (PYM) for treatment of venous-venular malformation in the maxillofacial regions of children.
目的：总结平阳霉素(PYM)病变内注射治疗小儿颌面部静脉-微静脉畸形的疗效。
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Methods: By using a patent high -pressure injection promoter combined with disposable syringe, intralesionalinjection of Compound Betamethasone had been used to treat keloid lesions.