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Paper Abstract and Keywords
Presentation 2008-01-25 15:20
Computer-aided diagnosis scheme for detection of intracranial aneurysms
Yoshikazu Uchiyama, Takeshi Hara, Hiroshi Fujita, Takahiko Asano, Hiroki Kato, Masayuki Kanematsu, Hiroaki Hoshi, Toru Iwama (Gifu Univ.) MI2007-99
Abstract (in Japanese) (See Japanese page) 
(in English) Cerebrovascular diseases is the 3rd leading cause of death in Japan. Therefore, a screening system for early detection of asymptomatic brain diseases, which is called Brain Dock or Brain Check-up, is widely performed. In this screening system, unruptured aneurysms are often detected in magnetic resonance angiography (MRA). The detection of unruptured aneurysms in MRA images is important because aneurysm rupture is the main cause of subaracnoid hemorrhage. However, it is often difficult for radiologists to detect small aneurysms because of the overlap between the aneurysm and the adjacent vessels on maximum intensity projection (MIP). Therefore, we have developed a computer-aided diagnosis (CAD) scheme for the detection of unruptured aneurysms in MRA images in order to assist radiologists’ interpretation as a “second opinion.” Our CAD scheme consists of two components: (1) to provide the locations of aneurysm candidate on MIP image and/or volume rendering image, and (2) to provide a new type of MIP image, the SelMIP image, with interested vessel regions only by manually selecting a desired cerebral arteries from a list. The sensitivity of our CAD scheme for the detection of aneurysms was 93.8% with 1.54 false positive per patient. Our CAD scheme will be useful in assisting radiologists to detect aneurysms and reducing the interpretation time.
Keyword (in Japanese) (See Japanese page) 
(in English) MR angiography / Unruptured aneurysms / Computer-aided diagnosis (CAD) / / / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 461, MI2007-99, pp. 187-192, Jan. 2008.
Paper # MI2007-99 
Date of Issue 2008-01-18 (MI) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee MI  
Conference Date 2008-01-25 - 2008-01-26 
Place (in Japanese) (See Japanese page) 
Place (in English) Naha-Bunka-Tenbusu 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Medical Imaging 
Paper Information
Registration To MI 
Conference Code 2008-01-MI 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Computer-aided diagnosis scheme for detection of intracranial aneurysms 
Sub Title (in English)  
Keyword(1) MR angiography  
Keyword(2) Unruptured aneurysms  
Keyword(3) Computer-aided diagnosis (CAD)  
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1st Author's Name Yoshikazu Uchiyama  
1st Author's Affiliation Gifu University (Gifu Univ.)
2nd Author's Name Takeshi Hara  
2nd Author's Affiliation Gifu University (Gifu Univ.)
3rd Author's Name Hiroshi Fujita  
3rd Author's Affiliation Gifu University (Gifu Univ.)
4th Author's Name Takahiko Asano  
4th Author's Affiliation Gifu University (Gifu Univ.)
5th Author's Name Hiroki Kato  
5th Author's Affiliation Gifu University (Gifu Univ.)
6th Author's Name Masayuki Kanematsu  
6th Author's Affiliation Gifu University (Gifu Univ.)
7th Author's Name Hiroaki Hoshi  
7th Author's Affiliation Gifu University (Gifu Univ.)
8th Author's Name Toru Iwama  
8th Author's Affiliation Gifu University (Gifu Univ.)
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Speaker Author-1 
Date Time 2008-01-25 15:20:00 
Presentation Time 10 minutes 
Registration for MI 
Paper # MI2007-99 
Volume (vol) vol.107 
Number (no) no.461 
Page pp.187-192 
#Pages 6 
Date of Issue 2008-01-18 (MI) 

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