My first gut reaction was melanoma. Do the spots feel solid and definable? They look like it from the picture. A cancer like melanoma would certainly result in friable hepatic tissue. I can't think of any other "tumor" that would result in such dark, obviously melanin filled masses. Just my thoughts.
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Stacey

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• Large spots in black rat liver - Colchicine, Thu Jan 29 21:05:54 2004
• RE: Large spots in black rat liver - Colchicine, Thu Jan 29 21:06:57 2004
• not helpful, but a question - meretseger, Fri Jan 30 04:32:45 2004
• RE: not helpful, but a question - Colchicine, Fri Jan 30 08:11:37 2004
• RE: not helpful, but a question - meretseger, Fri Jan 30 12:00:09 2004
• I assume histopath is out of the question... - RaderRVT, Fri Jan 30 21:08:05 2004
• Colchicine, Did you find anything out about this liver? np - RaderRVT, Mon Feb 2 19:44:48 2004
• No leads yet! np - Colchicine, Tue Feb 17 19:43:47 2004