DOI: https://doi.org/10.36347/sjmcr.2026.v14i11.048

Pages: 2629-2634

Post-traumatic pseudoaneurysm of the superficial temporal artery is an uncommon cause of temporal mass in children. Recognizing its vascular origin is essential before any invasive procedure. A 12-year-old boy presented with a painless, progressively enlarging, pulsatile left preauricular mass over two months following local trauma. High-frequency ultrasonography demonstrated a vascular outpouching along the superficial temporal artery, with internal arterial flow and peripheral avascular material suggestive of mural thrombus. CT angiography demonstrated an enhancing outpouching, with peripheral non-enhancing material, supporting a partially thrombosed pseudoaneurysm. The lesion was excised after ligation of three feeding vessels. Histopathology described an altered, thrombosed arterial wall without malignancy. This case illustrates the value of Doppler ultrasonography for recognizing a vascular temporal mass and of selective CT angiography for anatomical assessment. Imaging recognition can prevent hazardous aspiration or biopsy and guide surgical referral.