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[Quantitative lung perfusion scintigraphy in lung function diagnosis].

T Möller, K Anger, G Brand

    Rofo : Fortschritte Auf Dem Gebiete Der Rontgenstrahlen Und Der Nuklearmedizin
    |November 1, 1983
    PubMed
    Summary
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    A novel quantitative method for lung perfusion scintigraphy accurately assesses pulmonary perfusion defects. This technique shows strong correlation in restrictive lung diseases and effective quantification for bronchogenic carcinoma.

    Area of Science:

    • Nuclear Medicine
    • Pulmonary Medicine
    • Medical Imaging

    Background:

    • Lung perfusion scintigraphy is crucial for assessing lung function.
    • Accurate quantification of pulmonary perfusion defects is clinically important.
    • Existing methods may have limitations in precise defect evaluation.

    Purpose of the Study:

    • To introduce and validate a new quantitative method for lung perfusion scintigraphy.
    • To correlate the new method's findings with established lung function tests.
    • To assess the method's utility in different lung disease categories.

    Main Methods:

    • Development of a quantitative evaluation technique for lung perfusion scintigraphy.
    • Calculation of virtual total lung perfusion based on normal lung tissue perfusion.

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  • Comparison of the new method with traditional lung function tests in 40 patients.

    • Main Results:

    • The new method accurately determines pulmonary perfusion defects in percentage.
    • A good correlation was observed between the method and lung function tests in restrictive lung diseases.
    • A poor correlation was noted in obstructive lung diseases.
    • The method effectively quantifies perfusion defects associated with bronchogenic carcinoma.

    Conclusions:

    • The described quantitative lung perfusion scintigraphy method is valid and reliable.
    • It offers precise assessment of pulmonary perfusion defects, particularly useful in restrictive lung diseases and lung cancer.
    • Further evaluation in obstructive lung diseases may be warranted.