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Omentum:
Tumour is composed of thin cords and small aggregates
of epithelial cells. There is a moderate amount of fibrous tissue in between
tumour cells. (x200)
Peritoneal carcinomatosis:
Many different types of carcinoma can transplant over
the peritoneal and omental membranes as modes of metastasis, including
prostatic, bile duct, hepatocellular, ovarian and pancreatic carcinomas.
This neoplasm is a metastatic prostatic carcinoma. Prostatic carcinomas
are uncommon in dogs and when they do occur, they affect dogs 10 years
and over. Enlargement of the prostate is typically asymmetric, as opposed
to benign prostatic hyperplasia (a very common condition in dogs) which
is symmetrical.
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