[Interpretation of the 2025 edition ISSVA new classification of vascular anomalies].

In conjunction with the new 2025 ISSVA classification, this article interprets the classification of this group of diseases one by one and elaborates on clinical and pathological issues related to the new classification. It aims to provide a reference for the accurate classification and diagnosis of vascular anomalies diseases from a pathological perspective and further enhance pathologists' in-depth understanding.