vascular-appearing soft tissue lesions

New onset arteriovenous malformations in adults: a case series of caution

January 22, 2026

Abstract   Introduction: New onset arteriovenous malformation (AVM) in adulthood requires a high index of clinical suspicion. The misdiagnosis of vascular soft tissue lesions as AVMs is relatively common, resulting in delays to definitive diagnosis and management. We present four recent ‘AVM referrals’ which were neoplastic and propose some clinical considerations to facilitate development of…