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Case 5:
History:
A 16 year old, castrated male DSH cat had a sudden onset
of visual deficits, behavioural changes and circling to the right. A lesion
in the right cerebrum, possibly involving the occipital lobe, was suspected.
A CT scan revealed a 2.2 x 1.8 x 2.5 cm extracerebral mass dorsal to the
right occipital lobe. The cream-white, circumscribed, multilobulated and
firm mass was excised surgically.
At low magnification, the
mass appears to be entirely composed of highly cellular sheets of
neoplastic cells. In some areas, there are prominent blood vessels.
There are also foci of mineral deposition (these were noted on the
CT scan).
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