Severe Port Wine Stain with Significant Nodules and Alveolar Bone Invasion Leading to Restricted Mouth Opening
IntroductionPort wine stain (PWS) is a congenital cutaneous capillary malformation that typically presents on the face and neck,with an incidence of 0.3％-0.5％ in newborns,and has no sex predominance.These lesions initially present as pink birthmarks with clear but irregular boundary,and the area varies greatly.If left untreated,they can progress in color to dark red or purple,and expand or regress over time.In severe cases,the lesion can generate hypertrophy and nodules,posing a great cosmetic challenge.One study illustrated that the average length of time to develop hypertrophy is 12 years,whereas it takes around 39 years for nodules to develop.1
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2019-10-31（万方平台首次上网日期，不代表论文的发表时间）
共3页
173-175
