Proliferation ofProliferation of glands (crowdedglands (crowded

glands)glands)

Prostate

Glomerulation

The glands in this photomicrograph are lined by a single layer of cells. Absence of basal cells can be noted. (3 of the glands are encircled)

Also noted in this photomicrograph is the back to back proliferation of the acini and scant intervening stroma.

Back to back proliferation of the acini and scant intervening stroma are seen in this photomicrograph.

Intraluminal mucin

Large nucleus with large

nucleoli

Pale cytoplasm

Poorly differentiated malignant cells

Microscopic features seen on the photomicrographs provided:

Back to back proliferation of acini cells Crowding of glands Scant intervening stroma between glands Single layer lining the glands Absence of basal cells Presence of glomerulations Intraluminal mucin Pale cytoplasm Large nucleus Large nucleoli