Hepatic Tumors in Flatfish from Sivuch'ya Bight (Peter the Great Bay, Sea of Japan)

Hepatic Tumors in Flatfish from Sivuch'ya Bight (Peter the Great Bay, Sea of Japan) The livers of six flatfish species from Sivuch'ya Bight were examined histologically for the presence of neoplastic lesions. Out of 120 fish studied, hepatic tumors were found in two individuals: the black plaice Pleuronectes obscurusand the longsnout flounderPleuronectes punctatissimus.Based on presence of tissue and cellular atypism, tumor pearls surrounded by squamous cells, and absence of mucous secretion, the neoplasm in P. punctatissimuswas classified as squamous cell carcinoma. Abnormal growth of fibrous stroma suggests a scirrhous variant of carcinoma. Tumor in P. obscuruswas classified as a hepatocellular adenoma. This is the first information on liver tumors in flatfishes of Sivuch'ya Bight. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Marine Biology Springer Journals

Hepatic Tumors in Flatfish from Sivuch'ya Bight (Peter the Great Bay, Sea of Japan)

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Publisher
Springer Journals
Copyright
Copyright © 2001 by MAIK “Nauka/Interperiodica”
Subject
Life Sciences; Freshwater & Marine Ecology
ISSN
1063-0740
eISSN
1608-3377
D.O.I.
10.1023/A:1012564917401
Publisher site
See Article on Publisher Site

Abstract

The livers of six flatfish species from Sivuch'ya Bight were examined histologically for the presence of neoplastic lesions. Out of 120 fish studied, hepatic tumors were found in two individuals: the black plaice Pleuronectes obscurusand the longsnout flounderPleuronectes punctatissimus.Based on presence of tissue and cellular atypism, tumor pearls surrounded by squamous cells, and absence of mucous secretion, the neoplasm in P. punctatissimuswas classified as squamous cell carcinoma. Abnormal growth of fibrous stroma suggests a scirrhous variant of carcinoma. Tumor in P. obscuruswas classified as a hepatocellular adenoma. This is the first information on liver tumors in flatfishes of Sivuch'ya Bight.

Journal

Russian Journal of Marine BiologySpringer Journals

Published: Oct 16, 2004

References

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