Hemianopsia
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Data on aneurysm published by M. Killer and colleagues
2009 MAY 25 - (NewsRx.com) -- According to recent research from Salzburg, Austria, "Complications with increased mass effect on surrounding structures hive as yet only been noted after coiling of large, giant, and thrombosed aneurysms. We describe a case of optic chiasm compression after incomplete coil embolization of a small ICA aneurysm and discuss the potential mechanisms causing this phenomenon." "A 57-year-old male presented with an incidental, 7-mm diameter, C2 segment, ICA aneurysm. Endovascular intervention with platinum coils resulted in 80% obliteration. Approximately three weeks later the patient developed visual changes which progressed over 10 days to a homonymous hemianopsia with a central scotoma. A pterional craniotomy was performed to decompress and to definitively clip the aneurysm. Histological evaluation of the aneurysm showed sinusoidal vessels, filled with proliferated endothelial cells and being encapsulated by fibrous tissue, Suspicious for exposure to systemic blood pressure," wrote M. Killer and colleagues. The researchers concluded: "Even small aneurysms undergoing incomplete coil embolization may affect surrounding, eloquent neural structures due to unexpected tissue formation in the aneurysm." Killer and colleagues published their study in Minimally Invasive Neurosurgery (Visual Worsening after Incomplete Coiling of a Small Asymptomatic Aneurysm: Case Report and Review of the Literature. Minimally Invasive Neurosurgery, 2009;52(1):39-43). For additional information, contact M. Killer, Paracelsus Med University, Christian Doppler Clinic, Dept. of Neurology, Institute Neuroscience, Ignaz Harrer Str 79, A-5020 Salzburg, Austria. Publisher contact information for the journal Minimally Invasive Neurosurgery is: Georg Thieme Verlag kg, Rudigerstr 14, D-70469 Stuttgart, Germany. Keywords: Austria, Salzburg, Aneurysm, Angiology, Embolization, Neurosurgery, Surgery. This article was prepared by Hematology Week editors from staff and other reports. Copyright 2009, Hematology Week via NewsRx.com.
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