ArticleNigerian medical journal : journal of the Nigeria Medical Association
Incidental Prostatic Adenocarcinoma in Open Prostatectomy Specimens: An Institutional Experience.
Article in Nigerian medical journal : journal of the Nigeria Medical Association. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: Prostatic diseases cause significant morbidity and mortality in African men. Most Nigerian patients presenting with huge prostate enlargement are availed open prostatectomy to relieve symptoms of prostatism. Some prostates removed for benign enlargement have indolent cancers that are only discovered after histopathological examination. The incidence of these incidental adenocarcinomas of the prostate varies widely. Methodology: We carried out a 10-year retrospective review of open prostatectomy specimens received in the Department of Pathology, from January 2009 to December 2018. At grossing, a minimum of 6 cassettes were used depending on size, and tissue was taken from representative areas for microscopic examination. The data was analysed for the presence of, and the relationship between, incidental adenocarcinoma of the prostate and clinicopathological parameters in each case using relevant statistical tools in the SPSS version 23. Results: Incidental adenocarcinoma of the prostate was found in 5.7% of 158 open prostatectomy specimens seen during the study period. High-grade prostatic intraepithelial neoplasm (HGPIN) was present in 1.9% of cases. Patients in the 7th and 8th decade accounted for 88.8% of all incidental adenocarcinomas. The mean weight of the excised glands was 89.8g (range10-500g). The weight of the prostate did not predict diagnosis of incidental adenocarcinoma. In-hospital consultation accounted for 66.9% of open prostatectomy samples received in the department but the majority (72.7%) of incidental adenocarcinomas were seen in specimens form external consultations. The tumours were mostly ISUP grade group one tumours. Conclusion: The rate of diagnosis of occult prostate cancer is low with majority of the tumours being well differentiated. Organ weight had no relationship with histological diagnosis. Cases managed outside the teaching hospital were more likely to have incidental prostate cancer.
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