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A Florida physician reviewed angiographic demonstration of intracranial lesions which result from trauma, including subdural hematomas, extradural hematomas, intracerebral hematomas, and fistulae. The paper was presented at the annual AMA Clinical Convention.
Fredie P. Gargano, MD, associate professor of radiology, University of Miami School of Medicine and staff radiologist for Jackson Memorial Hospital and Cedars of Lebanon Hospital, Miami, described acute and chronic subdural hematomas and the instances in which they may and may not be visualized angiographically.
In the acute stage, the blood is layered evenly over the convexity of the brain, he explained. At this time, the angiogram will show a uniform displacement of the brain vessels, arteries, and veins, away from the calvarium. The angiographic picture changes the longer the hematoma exists. The hematoma liquefies and develops a membrane usually by the seventh day of formation.
The hematomas become larger by acquiring more fluid, presumably by osmosis,
Angiograms of Intracranial Lesions From Trauma Reviewed. JAMA. 1964;190(12):34–35. doi:10.1001/jama.1964.03070250082045
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