port wine stain
US /ˌpɔːrt waɪn ˈsteɪn/
UK /ˌpɔːrt waɪn ˈsteɪn/
1.
tache de vin, angiome plan
a birthmark in which a large area of the skin is a reddish-purple color, caused by a vascular anomaly (capillary malformation)
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The child had a prominent port-wine stain on her cheek.
L'enfant avait une tache de vin proéminente sur sa joue.
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Laser treatment can help lighten a port-wine stain.
Le traitement au laser peut aider à éclaircir une tache de vin.