Biomarkers of Prostatic Cancer: An Attempt to Categorize Patients into Prostatic Carcinoma, Benign Prostatic Hyperplasia, or Prostatitis Based on Serum Prostate Specific Antigen, Prostatic Acid Phosphatase, Calcium, and Phosphorus

Table 5

The analysis of prostate gland in patients of various groups based on digital rectal examination (DRE).

Group	Number of patients	DRE details
Control	15	Normal, firm, nontender prostate with maintained landmarks
	13	Grade I-II, nontenderness and maintained land marks
	2	Grade III-IV, prostatomegaly
Prostatitis	16	Grade I-II prostatic enlargement with mild to moderate tenderness with maintained land marks
	7	Grade I-II with no tenderness with maintained landmarks
	4	Grade III-IV with mild to moderate tenderness and normal landmarks, firm consistency
	3	Grade III-IV with severe tenderness and soft prostate consistency
BPH	12	Grade I-II
	9	Grade III
	9	Grade IV, firm, nontender with maintained landmarks (median groove, etc.), no induration