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[Disease classification--how are bladder tumors registered? A questionnaire]
J Eldrup1, L Borly, H M Rasmussen
1Kirurgisk afdeling K, Bispebjerg Hospital, København.
Ugeskrift for Laeger
|August 28, 1995
Summary
Surgical departments in Denmark show significant variation in classifying bladder tumors, impacting data accuracy. A forthcoming consensus aims to standardize diagnostic criteria for improved statistical outcomes.
Area of Science:
- Urology
- Oncology
- Medical Informatics
Context:
- Bladder tumors require precise classification for accurate incidence reporting.
- Current diagnostic practices in Danish surgical departments lack uniformity.
- Variations in coding benign and malignant bladder tumors (neoplasma benignum vesicae urinariae, neoplasma malignum vesicae urinariae) and carcinoma in situ vesicae urinariae are prevalent.
Purpose:
- To investigate the diagnostic classification practices for bladder tumors across Danish surgical departments.
- To identify inconsistencies in the application of diagnostic codes (D09.0, D30.3, C67.9) for bladder neoplasms.
- To highlight the need for standardized diagnostic criteria.
Summary:
- A survey of 59 Danish surgical departments revealed substantial variability in classifying bladder tumors.
- The study identified inconsistent use of diagnoses such as carcinoma in situ vesicae urinariae (D09.0), benign bladder neoplasm (D30.3), and malignant bladder neoplasm (C67.9).
- This heterogeneity compromises the validity of statistical data on bladder tumor incidence.
Impact:
- Inconsistent tumor classification hinders accurate statistical analysis of bladder cancer incidence in Denmark.
- Lack of uniform diagnostic criteria leads to unreliable data for epidemiological studies.
- Implementation of a consensus-based approach is expected to improve data consistency and reliability in the future.