Collision tumors of hepatocellular carcinoma and malignant peritoneal mesothelioma

We report a case of synchronous hepatocellular carcinoma (HCC) and malignant peritoneal mesothelioma (MM-per). A 56-year-old man with no past history of asbestos exposure, chronic viral hepatitis, or alcoholic liver injury was admitted to our hospital with left flank pain and abdominal tumor. Partia...

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Veröffentlicht in:Medical molecular morphology 2013-09, Vol.46 (3), p.177-183
Hauptverfasser: Uemoto, Junko, Hoshi, Nobuo, Hirabayashi, Kaoru, Hoshi, Sayuri, Onodera, Kei, Nishi, Tomohiro, Tomikawa, Moriaki, Igarashi, Seiji
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container_end_page 183
container_issue 3
container_start_page 177
container_title Medical molecular morphology
container_volume 46
creator Uemoto, Junko
Hoshi, Nobuo
Hirabayashi, Kaoru
Hoshi, Sayuri
Onodera, Kei
Nishi, Tomohiro
Tomikawa, Moriaki
Igarashi, Seiji
description We report a case of synchronous hepatocellular carcinoma (HCC) and malignant peritoneal mesothelioma (MM-per). A 56-year-old man with no past history of asbestos exposure, chronic viral hepatitis, or alcoholic liver injury was admitted to our hospital with left flank pain and abdominal tumor. Partial hepatectomy, splenectomy, partial diaphragm resection, and partial gastrectomy were performed. The tumor in the lateral segment of the liver was gray to white, massive in appearance, and contained focal bile-producing nodules and extensive fibrous firm lesion. It had directly invaded the spleen and diaphragm. Liver cirrhosis was not found. The peritoneum contained multiple small nodules especially around the diaphragm, which mimicked carcinoma dissemination. After histological examination, the liver tumor was diagnosed as HCC. It had trabecular and scirrhous patterns and positive immunoreactivities for Hep-Par-1 and α-fetoprotein. The peritoneal nodules were diagnosed as MM-per, epithelioid type, with positive immunoreactivities for calretinin and cytokeratin 5/6. The two tumors collided around the diaphragm. Cases of MM synchronous with other primary malignant tumors have been reported, but most had a history of asbestos exposure unlike the present case. The carcinogenic background was unclear for two tumors in this case. This is an extremely rare and valuable case.
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A 56-year-old man with no past history of asbestos exposure, chronic viral hepatitis, or alcoholic liver injury was admitted to our hospital with left flank pain and abdominal tumor. Partial hepatectomy, splenectomy, partial diaphragm resection, and partial gastrectomy were performed. The tumor in the lateral segment of the liver was gray to white, massive in appearance, and contained focal bile-producing nodules and extensive fibrous firm lesion. It had directly invaded the spleen and diaphragm. Liver cirrhosis was not found. The peritoneum contained multiple small nodules especially around the diaphragm, which mimicked carcinoma dissemination. After histological examination, the liver tumor was diagnosed as HCC. It had trabecular and scirrhous patterns and positive immunoreactivities for Hep-Par-1 and α-fetoprotein. The peritoneal nodules were diagnosed as MM-per, epithelioid type, with positive immunoreactivities for calretinin and cytokeratin 5/6. The two tumors collided around the diaphragm. Cases of MM synchronous with other primary malignant tumors have been reported, but most had a history of asbestos exposure unlike the present case. The carcinogenic background was unclear for two tumors in this case. 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A 56-year-old man with no past history of asbestos exposure, chronic viral hepatitis, or alcoholic liver injury was admitted to our hospital with left flank pain and abdominal tumor. Partial hepatectomy, splenectomy, partial diaphragm resection, and partial gastrectomy were performed. The tumor in the lateral segment of the liver was gray to white, massive in appearance, and contained focal bile-producing nodules and extensive fibrous firm lesion. It had directly invaded the spleen and diaphragm. Liver cirrhosis was not found. The peritoneum contained multiple small nodules especially around the diaphragm, which mimicked carcinoma dissemination. After histological examination, the liver tumor was diagnosed as HCC. It had trabecular and scirrhous patterns and positive immunoreactivities for Hep-Par-1 and α-fetoprotein. The peritoneal nodules were diagnosed as MM-per, epithelioid type, with positive immunoreactivities for calretinin and cytokeratin 5/6. The two tumors collided around the diaphragm. Cases of MM synchronous with other primary malignant tumors have been reported, but most had a history of asbestos exposure unlike the present case. The carcinogenic background was unclear for two tumors in this case. This is an extremely rare and valuable case.</abstract><cop>Tokyo</cop><pub>Springer Japan</pub><pmid>23571781</pmid><doi>10.1007/s00795-013-0041-0</doi><tpages>7</tpages></addata></record>
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subjects Anatomy
Asbestos
Carcinoma, Hepatocellular - diagnostic imaging
Carcinoma, Hepatocellular - therapy
Case Report
Combined Modality Therapy
Fatal Outcome
Hepatitis
Human exposure
Humans
Liver - pathology
Liver cancer
Liver Neoplasms - diagnostic imaging
Liver Neoplasms - therapy
Lung Neoplasms - diagnostic imaging
Lung Neoplasms - therapy
Male
Medical diagnosis
Medicine
Medicine & Public Health
Mesothelioma - diagnostic imaging
Mesothelioma - therapy
Mesothelioma, Malignant
Middle Aged
Molecular Medicine
Neoplasms, Multiple Primary - diagnostic imaging
Neoplasms, Multiple Primary - therapy
Pathology
Peritoneal Neoplasms - diagnostic imaging
Peritoneal Neoplasms - therapy
Radiography
title Collision tumors of hepatocellular carcinoma and malignant peritoneal mesothelioma
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