LOL Doc. Looked more like a necropsy than surgery. I don't think your patient had a chance. Interesting find though. The gross side of me likes this type of stuff.

I think my assistant got a little carried away with the anesthesia.

So the thing I found most interesting about this whole diagnostic dilemma was the erythrocytes (red blood cells)

When mature, yours and mine have no nucleus



Whereas those in fish never lose their nucleus…

OK, I had to look up angiosarcoma. Don't know how long a fish would have with it; spawning salmon, it probably wouldn't matter. But, sounds like in humans, it's bad news.

Lots of critters have nucleated red cells FnP. . .you should spend more time with your pathologists!

Told you it was gonna be an A-Sarc!

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Thought I'd share this one ... a winter steel pic contributed to the Ifish board. Peritoneal carcinomatosis.

MMMMMMM....



Bon appetit?

Mmm, you can choose your friends, and you can choose your doctor. You can't choose your family, and it never occurred to me to choose a pathologist.

Hardly anybody knows what we do, which is I guess good and bad depending on how you look at it.

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So now I've managed to pull 3 salmonids over the gunnel with this pathologic finding. First was a CR steelhead in 2009. Next was the GH coho in 2012. Found another GH coho in 2017 with another a-sarc tucked in the belly wall adjacent to the right ventral fin of this rather anorexic hen coho. I say anorexic because she's built almost like a hatchery steelhead.... no meat on her bones!



If you look carefully you can see the tumor hemorrhaging down her right flank. When I cut her open her meat was pox'd with many hemorrhagic metastases. I should have saved you the carcass, fishbadger, but my guests took it home.

So here's the cut side of the tumor which had actually eroded full thickness thru the skin on the other side. If you look carefully, you'll see one of the hemorrhagic mets far right, one just subQ in the middle of the pic and one right on the edge of my vertical incision thru the meat.



Here's the hemorrhagic mets on the other fillet... 5 in the meat and another subQ at the ventral fin insertion.

One-Eyed Goat sent me some pics of a GH coho he caught this year with an almost identical tumor that went full thickness thru the body wall by the ventral fin. Maybe he'll post 'em here.

Here they are.... notice the nearly identical tumor location.