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Quantitative estimation of tumor volume on computer assisted tomography
Journal of Computer Assisted Tomography
|July 1, 1978
Summary
This study presents a method for accurately calculating the volume of intracranial hemorrhages and tumors using computer-assisted tomography (CAT) scan data. The technique precisely measures irregular pathological changes, demonstrating high accuracy for conditions like meningiomas.
Area of Science:
- Radiology
- Medical Imaging
- Neurosurgery
Background:
- Accurate volume estimation of intracranial pathologies is crucial for diagnosis and treatment planning.
- Computer-assisted tomography (CAT) is a primary imaging modality for detecting and characterizing brain abnormalities.
- Existing methods for volume calculation may struggle with irregularly shaped lesions.
Observation:
- A novel method is introduced for calculating the volume of pathological changes using EMI scan printouts.
- This technique is applicable to hemorrhages, tumors, and other detectable abnormalities on CAT scans.
- The method is designed to handle irregularly shaped pathological changes with high accuracy.
Findings:
- The developed method allows for precise volume calculation of intracranial lesions, including those with complex shapes.
- Volume estimations for meningiomas using this method showed minimal divergence (0 to +5%) compared to actual enucleated volumes.
- An illustrative case of meningioma volume calculation is provided, validating the method's efficacy.
Implications:
- This accurate volume measurement technique can improve diagnostic precision for various intracranial pathologies.
- Enhanced volume quantification may lead to more tailored and effective treatment strategies in neurosurgery.
- The method offers a reliable tool for retrospective and prospective studies involving intracranial lesion volumes.