Histologic grading study of prostate adenocarcinoma: the development of a new system and comparison with other methods--a preliminary study.


A new grading system for adenocarcinoma of the prostate (MDAH System) and its simplified version, both based on the percentage of tumor that is differentiated (gland-forming) or undifferentiated (non-gland-forming), were compared with the grading systems of Mostofi and Gleason. In a study group of 182 patients with Stage C adenocarcinoma of the prostate… (More)


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