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Case Reports in Medicine
Volume 2012, Article ID 873168, 4 pages
http://dx.doi.org/10.1155/2012/873168
Case Report

A True Aneurysm of the Zygomatic Orbital Artery: First Case Report in the Literature

School of Vascular Surgery, Molinette Hospital, University of Turin, Corso Bramante 88/90, 10126, Turin, Italy

Received 16 September 2011; Accepted 15 December 2011

Academic Editor: Christian Urban

Copyright © 2011 Valentina Molinaro et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

A 33-year-old man presented with a pulsatile mass in the left temporal region; about 1 year before the current presentation, the swelling had arisen on the upper lateral border of the orbital arch and increased in recent months. His medical history was negative for accidental or iatrogenic head injury. Color echo Doppler and angio-computed tomography demonstrated a fusiform aneurysm of the zygomatic orbital artery, a branch of the superficial temporal artery. Blood tests were negative for human immunodeficiency virus (HIV), hepatitis C (HCV), and hepatitis B (HBV) markers. Aneurysmectomy under local anesthesia was performed. Histology of the surgical specimen confirmed the diagnosis of a true aneurysm measuring 8 . 4 × 5 . 7  mm, which showed no atherosclerotic degeneration of the vessel walls; the lumen was filled by a recent thrombus but without inflammatory cells. Surgical treatment is indicated for the prevention of rupture, the relief of pain when present, and the removal of facial defects. To the authors’ knowledge, this is the first case in the literature of a true aneurysm of the zygomatic orbital artery.