To the Editor.—
In their recent article Finley et al1 pointed out some pathologic patterns of port-wine stains (PWSs). They stressed the existence of cases that deviate, clinically and histopathologically, from the typical PWSs (which is a capillary vascular malformation). They particularly insisted on these polypoid small red tumors arising on the surface of adult PWSs, especially on the face.We entirely agree with their pathologic description of an underlying cavernous (ie, capillarovenous) malformation in some cases: this aspect can be demonstrated by selective arteriography. However, we disagree with the term arteriovenous malformation chosen for the pedunculated or sessile polypoid tumors. This must be a conflicting term as arteriovenous malformation is a specific class of vascular malformation, with clinically (ie, murmur and thrill) and radiologically obvious arteriovenous shunts. To clarify clinical diagnosis and therapeutic approaches,2 we believe the time has come to use a clear international classification for
Enjolras O, Riché MC. Port-wine Stains. Arch Dermatol. 1985;121(7):834. doi:10.1001/archderm.1985.01660070022003
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