Germline APC mutations are not commonly seen in children with sporadic hepatoblastoma |
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Authors: | Harvey Jj Clark Sk Hyer W Hadzic N Tomlinson Ipm Hinds R |
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Institution: | Cancer Research, UK Molecular and Population Genetics Laboratory, London Research Institute, London, UK. |
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Abstract: | Hepatoblastoma is the most common primary liver tumor in childhood and occurs more commonly in families with familial adenomatous polyposis. Germline mutations of the gene responsible for familial adenomatous polyposis--adenomatous polyposis coli (APC)--are described in patients with hepatoblastoma even without a family history. We investigated children presenting with apparently sporadic hepatoblastoma between 1991 and 2004. Blood samples were available from 29 children (18 boys) whose conditions were diagnosed at a median age of 22 months (range 6-119 months). No germline APC mutations were found, which does not support the need for routine screening in sporadic hepatoblastoma in the absence of a suggestive family history of colorectal cancer or suspicion of familial adenomatous polyposis. |
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