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Related Experiment Videos

Decrease in ventricular and sulcal size after death.

M Sarwar, W F McCormick

    Radiology
    |May 1, 1978
    PubMed
    Summary
    This summary is machine-generated.

    Postmortem head CT scans reveal mild decreases in lateral ventricular and sulcal size after death. This change is observable even without antemortem scans, impacting forensic imaging interpretation.

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    Area of Science:

    • Forensic Radiology
    • Neuroimaging
    • Postmortem Imaging

    Background:

    • Accurate interpretation of postmortem imaging requires understanding postmortem changes.
    • Computed tomography (CT) is increasingly used in forensic investigations.
    • Changes in brain structures like lateral ventricles and sulci after death can affect diagnostic accuracy.

    Purpose of the Study:

    • To evaluate changes in lateral ventricular size and sulcal width after death using CT.
    • To determine if these changes are detectable on postmortem CT scans alone.
    • To compare CT findings with autopsy results.

    Main Methods:

    • Examination of 51 intact corpses using an EMI head scanner.
    • Comparison of antemortem and postmortem CT scans (15 cases).

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  • Analysis of sequential postmortem CT scans (7 cases) and autopsy findings.

    • Main Results:

    • A general decrease in lateral ventricular size was observed postmortem.
    • Occasional mild decreases in sulcal width were also noted.
    • These changes were evident on both antemortem-to-postmortem and sequential postmortem CT scans.

    Conclusions:

    • Mild postmortem shrinkage of brain structures, particularly lateral ventricles, occurs.
    • These changes can be identified using postmortem CT imaging.
    • Understanding these CT changes is crucial for accurate forensic and neuropathological interpretation.