Lesion | Basal cells | Cytonuclear features | Distension of duct | Outline of duct |
---|---|---|---|---|
H-PIN, high-grade prostatic intraepithelial neoplasm. | ||||
Hyperplasia | Present | Bland | None or slight | Smooth |
H-PIN | Present | Nucleoli | None or slight | Smooth |
Intraductal carcinoma | Present | Nucleoli | Distended | Smooth |
Grade 3 adenocarcinoma | Absent | Nucleoli | Slight | Smooth |
Grade 4 adenocarcinoma | Absent | Nucleoli | Distended | Irregular, or outpouchings |
Ductal adenocarcinoma | Absent, rare | Nucleoli, tall columnar cells | Distended | Often smooth |