Intra-Arterial Angiolymphoid Hyperplasia with Eosinophilia: A Rare Case Report of Peripheral Medium Sized Muscular Artery Involvement

摘要

Angiolymphoid hyperplasia with eosinophilia (ALHE) is an uncommon benign vasoproliferative disease with distinct clinical and histopathological features. The most common clinical presentation is dermal and subcutaneous painless nodules in the head and neck region. The involvement of medium sized peripheral muscular artery is uncommon. It predominantly affects Caucasian adults during the third and fourth decades, but is also known to occur in Asians and it very rarely occurs in children. We here by present a case of intravascular ALHE in a 46-year-old female presenting with subcutaneous forearm nodule clinically diagnosed as ulnar artery thrombosis.