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Magnetic resonance imaging of large and giant intracranial aneurysms

Journal Article:

Abstract

Twelve large or giant intracranial aneurysms were studied with magnetic resonance (MR) imaging, and the findings were compared with those from computed tomographic (CT) scanning. Characteristic MR features of such aneurysms are: round, extra-axial mass with hypointensity rim; signal void, paradoxical enhancement, or even-echo rephasing due to blood flow; and laminated, eccentric thrombus with increased signal intensity when fresh, perianeurysmal hemorrhage occurs in the acute or subacute stage after aneurysmal rupture. MR imaging, however, often fails to identify or characterize the area of calcification. For the diagnosis of large or giant intracranial aneurysms, MR imaging is apparently superior to CT scanning in differentiating aneurysms from tumors, delineating the blood flow and intraluminal thrombus, and detecting the exact size of the aneurysm. It may also provide useful information concerning the growth mechanisms of aneurysms with or without thrombus formation. (author).
Authors:
Matsumura, Kenichi; Saito, Akira; Nakasu, Yoko; Matsuda, Masayuki; Handa, Jyoji; [1]  Todo, Giro
  1. Shiga University of Medical Science, Shiga (Japan)
Publication Date:
Jun 01, 1990
Product Type:
Journal Article
Reference Number:
JPN-90-010239; EDB-90-174301
Resource Relation:
Journal Name: Neurologia Medico-Chirurgica; (Japan); Journal Volume: 30:6
Subject:
62 RADIOLOGY AND NUCLEAR MEDICINE; CEREBRUM; NMR IMAGING; BLOOD FLOW; CAROTID ARTERIES; CAT SCANNING; THROMBOSIS; VASCULAR DISEASES; ARTERIES; BLOOD VESSELS; BODY; BRAIN; CARDIOVASCULAR DISEASES; CARDIOVASCULAR SYSTEM; CENTRAL NERVOUS SYSTEM; COMPUTERIZED TOMOGRAPHY; DIAGNOSTIC TECHNIQUES; DISEASES; NERVOUS SYSTEM; ORGANS; TOMOGRAPHY; 550602* - Medicine- External Radiation in Diagnostics- (1980-)
OSTI ID:
6367971
Country of Origin:
Japan
Language:
English
Other Identifying Numbers:
Journal ID: ISSN 0387-2572; CODEN: NMCHB
Submitting Site:
JPN
Size:
Pages: 382-388
Announcement Date:

Journal Article:

Citation Formats

Matsumura, Kenichi, Saito, Akira, Nakasu, Yoko, Matsuda, Masayuki, Handa, Jyoji, and Todo, Giro. Magnetic resonance imaging of large and giant intracranial aneurysms. Japan: N. p., 1990. Web.
Matsumura, Kenichi, Saito, Akira, Nakasu, Yoko, Matsuda, Masayuki, Handa, Jyoji, & Todo, Giro. Magnetic resonance imaging of large and giant intracranial aneurysms. Japan.
Matsumura, Kenichi, Saito, Akira, Nakasu, Yoko, Matsuda, Masayuki, Handa, Jyoji, and Todo, Giro. 1990. "Magnetic resonance imaging of large and giant intracranial aneurysms." Japan.
@misc{etde_6367971,
title = {Magnetic resonance imaging of large and giant intracranial aneurysms}
author = {Matsumura, Kenichi, Saito, Akira, Nakasu, Yoko, Matsuda, Masayuki, Handa, Jyoji, and Todo, Giro}
abstractNote = {Twelve large or giant intracranial aneurysms were studied with magnetic resonance (MR) imaging, and the findings were compared with those from computed tomographic (CT) scanning. Characteristic MR features of such aneurysms are: round, extra-axial mass with hypointensity rim; signal void, paradoxical enhancement, or even-echo rephasing due to blood flow; and laminated, eccentric thrombus with increased signal intensity when fresh, perianeurysmal hemorrhage occurs in the acute or subacute stage after aneurysmal rupture. MR imaging, however, often fails to identify or characterize the area of calcification. For the diagnosis of large or giant intracranial aneurysms, MR imaging is apparently superior to CT scanning in differentiating aneurysms from tumors, delineating the blood flow and intraluminal thrombus, and detecting the exact size of the aneurysm. It may also provide useful information concerning the growth mechanisms of aneurysms with or without thrombus formation. (author).}
journal = {Neurologia Medico-Chirurgica; (Japan)}
volume = {30:6}
journal type = {AC}
place = {Japan}
year = {1990}
month = {Jun}
}