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A CAD System for Hemorrhagic Stroke

Wieslaw L Nowinski1, Guoyu Qian2, Daniel F Hanley3

  • 1Biomedical Imaging Laboratory, Agency for Science Technology and Research; Singapore, Singapore - wieslaw@sbic.a-star.edu.sg.

The Neuroradiology Journal
|September 9, 2014
PubMed

Insights

A new computer-aided detection (CAD) system for hemorrhagic stroke accurately segments and quantifies brain hematomas. This tool aids in monitoring treatment progression and quantifying clot removal during clinical trials.

Area of Science:

  • Medical Imaging
  • Neurology
  • Computer Science

Background:

  • Computer-aided detection/diagnosis (CAD) systems are crucial in clinical practice for medical image analysis.
  • A clinically accepted CAD system for stroke detection and management is currently lacking.
  • Hemorrhagic stroke presents unique challenges in diagnosis and treatment monitoring.

Purpose of the Study:

  • To introduce a novel CAD system specifically designed for hemorrhagic stroke.
  • To enable accurate segmentation, quantification, and visualization of hematomas.
  • To support treatment monitoring and efficacy assessment in clinical trials.

Main Methods:

  • Development of a CAD system with a seven-step workflow for patient scan processing.
  • Implementation of a system architecture comprising library, tools, user interface, and segmentation algorithm.
  • Utilizing tools for contour editing, 3D modeling, volume measurement, and time-series analysis.

Main Results:

  • The CAD system successfully segments, quantifies, and displays hematoma in 2D/3D.
  • It facilitates monitoring of hemorrhage progression and clot removal quantification.
  • The system was implemented in C++ and utilized in phase-III clinical trials (CLEAR, MISTIE).

Conclusions:

  • The developed stroke CAD system offers potential for research and clinical applications.
  • It provides valuable decision support for managing hemorrhagic stroke.
  • The system is particularly relevant for enhancing clinical trial efficiency and data analysis.

Keywords:
CADCLEARMISTIENCCThemorrhagehemorrhagic strokestroke

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