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[Liver metastases: sonography or scintigraphy? A comparative prospective study].
Wiener Medizinische Wochenschrift (1946)
|September 15, 1983
Summary
Sonography and scintigraphy showed similar accuracy in detecting malignancy in 278 patients. Sonography offered more consistent results, while scintigraphy produced more false positives, making it less reliable for cancer diagnosis.
Area of Science:
- Medical Imaging
- Oncology
- Diagnostic Accuracy
Background:
- Accurate diagnostic tools are crucial for managing patients with known malignancy.
- Comparing imaging modalities helps optimize diagnostic strategies.
- Laboratory tests can supplement imaging findings.
Purpose of the Study:
- To compare the diagnostic accuracy of sonography and scintigraphy in patients with known malignancy.
- To evaluate the consistency and reliability of each imaging modality.
- To assess the utility of laboratory examinations alongside imaging.
Main Methods:
- Prospective study involving 278 patients with confirmed malignancy.
- Simultaneous sonography, scintigraphy, and laboratory examinations were performed.
- Diagnostic accuracy rates for sonography and scintigraphy were calculated and compared.
Main Results:
- Sonography demonstrated a diagnostic accuracy of 90%.
- Scintigraphy showed a diagnostic accuracy of 89%.
- Sonography yielded more uniform results, whereas scintigraphy had a higher rate of false positives.
Conclusions:
- Both sonography and scintigraphy are highly accurate for evaluating known malignancy.
- Sonography is preferred due to its more consistent results and lower false positive rate.
- The role of additional laboratory examinations in conjunction with imaging requires further discussion.