Fig. 2
From: Mediastinal and thoracic hematoma following transradial cerebral angiography: a case report

Aortic arch angiogram showing inconspicuous extravasation of the contrast agent in the thoracic cavity (A). CT scan indicates hematoma in the middle mediastinum and right thoracic cavity (B, C). Angiograms show the perforation (red arrow) before (D, E) and after (F) embolization using microcoils (white arrow)