Intra-arterial Angiolymphoid Hyperplasia With Eosinophilia of the Superficial Temporal Artery: A Case Report

Angiolymphoid hyperplasia with eosinophilia (ALHE) is a rare benign vascular disorder that usually involves the head and neck area. The involvement of the superficial temporal artery is unusual and may mimic other inflammatory or vascular conditions. We present a 27-year-old female who presented to the vascular department at King Hussein Medical Center, with a gradual enlarging, pulsatile left temporal mass of three years duration. Imaging displayed a well-defined vascular lesion closely related to the superficial temporal artery. The patient was managed with surgical excision and arterial ligation of the mass. Histopathology confirmed the diagnosis of intra-arterial ALHE. This case highlights the importance of expanding one's differential diagnosis of pulsatile temporal masses in young patients and emphasizes the role of surgical management and histopathological examination.