An interactive interface for seizure focus localization using SPECT image analysis

Authors:
Mark Rossman;Malek Adjouadi;Melvin Ayala;Ilker Yaylali
Affiliations:
Department of Electrical & Computer Engineering, Florida International University, 10555 W. Flagler Street, Miami, FL 33174, USA;Department of Electrical & Computer Engineering, Florida International University, 10555 W. Flagler Street, Miami, FL 33174, USA;Department of Electrical & Computer Engineering, Florida International University, 10555 W. Flagler Street, Miami, FL 33174, USA;Department of Neurology, Miami Children's Hospital, 3100 S.W. 62nd Avenue, Miami, FL 33155, USA
Venue:
Computers in Biology and Medicine
Year:
2006

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Abstract

Accurate epileptic focus localization using single photon emission computed tomography (SPECT) images has proven to be a challenging endeavor. First, commonly used radiopharmaceuticals such as hexamethylpropylene amine oxime (HMPAO) quantitatively underestimate large blood flows, leading to subtracted SPECT images that do not reflect the true cerebral physiological conditions, and often display non-distinct epileptic foci. The proposed relative change subtraction method of SPECT image analysis helps alleviate this quantitative burden. Second, the image analysis process traditionally performed by physicians is time consuming and prone to error. Toward this end, an automated algorithm was designed to analyze SPECT images and provide feedback to users through a visual interface.