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Diagnosis of Thrombotic Giant Basilar Artery Aneurysm on Computed Tomographic Scan
Mohammad H. Naheedy, MD;
H. Richard Tyler, MD;
Marshall A. Wolf, MD;
Steven B. Hammerschlag, MD
Arch Neurol. 1982;39(1):64-65.
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We report a partially thrombotic giant basilar artery aneurysm that was detected with computed tomographic (CT) scans and confirmed by angiography.
REPORT OF A CASE
A 51-year-old man experienced a leftsided headache in October 1975, three years before admission to a hospital. Three months later, he had a syncopal attack. A CT scan was reported to be normal. One year later, an attack of diplopia, nausea, and vomiting lasted for three days. At that time, examination showed a blood pressure of 250/150 mm Hg, nystagmus, and ataxia. Cerebrospinal fluid was under a pressure of 300 cm H2O, without other abnormalities. A large mass in the posterior fossa with hydrocephalus was evident on a CT scan. A ventriculoperitoneal shunt procedure was carried out, followed by CT scans with and without intravenous (IV) injection of contrast medium. The noncontrast scan disclosed a large mass in the posterior fossa (Fig 1), with an
. . . [Full Text PDF of this Article]
Author Affiliations
From the Departments of Radiology (Drs Naheedy and Hammerschlag), Neurology (Dr Tyler), and Medicine (Dr Wolf), Harvard Medical School, Brigham and Women's Hospital, Boston.
Footnotes
Accepted for publication March 29, 1981.
Reprint requests to Department of Radiology, Harvard Medical School, Brigham and Women's Hospital, 75 Francis St, Boston, MA 02115 (Dr Naheedy).
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