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Morphometrically estimated variation in nuclear size. A useful tool in grading prostatic cancer
J H Blom1, F J Ten Kate, F H Schroeder
1Department of Urology, Erasmus University, Rotterdam, The Netherlands.
Urological Research
|January 1, 1990
Summary
Nuclear size variation measured by morphometry offers a more reliable grading system for prostate cancer (prostatic carcinoma). This objective method improves patient group comparisons and survival rate prediction, particularly for grade 2 tumors.
Area of Science:
- Urology
- Oncology
- Pathology
Background:
- Current grading systems for prostatic carcinoma lack reproducibility.
- An objective grading method is needed for reliable patient group comparisons.
Purpose of the Study:
- To evaluate morphometrically estimated nuclear size and variation as objective grading tools for prostate cancer.
- To correlate nuclear size variation with survival rates in patients undergoing prostatectomy.
Main Methods:
- Morphometric analysis of nuclear size and variation was performed.
- Survival rates of 207 patients with prostate cancer were analyzed.
- Patients were stratified based on nuclear size variation.
Main Results:
- Patients could be divided into two groups with significantly different survival rates based on nuclear size variation.
- Morphometry allowed splitting grade 2 carcinoma patients into subgroups with distinct survival outcomes.
- These subgroups' survival rates mirrored those of established Grade 1 and Grade 3 tumors.
Conclusions:
- Morphometry is a valuable tool for objective grading of prostate cancer.
- Nuclear size variation provides a more reliable prognostic indicator than existing systems.
- This method enhances the accuracy of prostate cancer grading and patient stratification.