In the head and neck, [[pseudoaneurysm]]s are much more likely to be the result of trauma, although the majority of pseudoaneurysms are iatrogenic 
((Isaacson G, Kochan PS, Kochan JP. Pseudoaneurysms of the [[superficial temporal artery]]: treatment options. Laryngoscope. 2004 Jun;114(6):1000-4. doi: 10.1097/00005537-200406000-00008. PMID: 15179202.))

see [[Extracranial traumatic pseudoaneurysm]].

see [[Intracranial traumatic pseudoaneurysm]]