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Clinically undiagnosed malignant tumours found at autopsy
B Karwinski1, E Svendsen, F Hartveit
1Department of Pathology, Gade Institute, University of Bergen, Norway.
Summary
Autopsy studies reveal that 11% of cancers were clinically unrecognized, often incidental findings. Earlier detection of unrecognized stomach and lung cancers is crucial for improved patient outcomes.
Area of Science:
- Pathology
- Oncology
- Epidemiology
Background:
- A significant proportion of cancers are discovered incidentally during autopsies.
- Unrecognized malignancies pose challenges in clinical diagnosis and epidemiological assessment.
Purpose of the Study:
- To determine the incidence and characteristics of clinically unrecognized cancers identified during autopsies.
- To analyze the organs involved and the causes of death in patients with undetected malignancies.
Main Methods:
- Retrospective analysis of over 20,000 autopsy cases spanning 25 years.
- Categorization of cancers based on clinical recognition and autopsy findings.
Main Results:
- 11% (700/20,000) of autopsies revealed cancers not clinically diagnosed.
- Kidney and prostate cancers were most common incidental findings; pancreatic and lung cancers were leading causes of death among unrecognized cases.
- Patients with fatal unrecognized lung or stomach cancer were often older and diagnosed late, with death attributed to other conditions.
Conclusions:
- Earlier recognition of certain unrecognized cancers, particularly lung and stomach, is essential.
- Further definition and analysis of these entities are required to improve early detection strategies.