Background Hereditary non-polyposis colorectal cancer (HNPCC) is a hereditary cancer syndrome in which confirmed carriers of a gene mutation are at high risk for colorectal (CRC) and extracolonic cancers. The purpose of the current study was to develop a greater understanding of the factors influencing the decision-making of confirmed HNPCC carriers post-genetic testing about screening and dise...

Colorectal cancer affects about 4.4% of the population and is a leading cause of cancer-related death in the United States. Approximately 10% to 20% of cases occur within a familial pattern, and Lynch syndrome is the most common hereditary colorectal cancer syndrome. Lynch syndrome is a hereditary predisposition to forming colorectal and extracolonic cancers, caused by a germline mutation in on...

Hereditary Breast and Ovarian Cancer (HBOC) syndrome is an autosomal dominant disease associated with a high risk of developing breast, ovarian, other malignancies. Lynch caused by mutations in mismatch repair genes predisposing to colorectal endometrial cancers, among others. A rare phenotype overlapping hereditary breast cancer syndromes poorly characterized. Three unrelated patients fulfilli...

Colorectal cancer affects about 4.4% of the population and is a leading cause of cancer-related death in the United States. Approximately 10% to 20% of cases occur within a familial pattern, and Lynch syndrome is the most common hereditary colorectal cancer syndrome. Lynch syndrome is a hereditary predisposition to forming colorectal and extracolonic cancers, caused by a germline mutation in on...

INTRODUCTION Heredity is estimated to cause at least 20% of colorectal cancer. The hereditary nonpolyposis colorectal cancer subset is divided into Lynch syndrome and familial colorectal cancer type X (FCCTX) based on presence of mismatch repair (MMR) gene defects. PURPOSE We addressed the gene expression signatures in colorectal cancer linked to Lynch syndrome and FCCTX with the aim to ident...

Heredity represents the strongest risk factor for ovarian cancer with disease predisposing mutations identified in 15% of the tumors. With the aim to identify genetic classifiers for hereditary ovarian cancer, we profiled hereditary ovarian cancers linked to the hereditary breast and ovarian cancer (HBOC) syndrome and the hereditary non-polyposis colorectal cancer (HNPCC) syndrome. Genome-wide ...

Our understanding of hereditary cancer syndromes in children, adolescents, and young adults continues to grow. In addition, we now recognize the wide variation in tumor spectrum found within each specific cancer predisposition syndrome including the risk for hematologic malignancies. An increased understanding of the genetic mutations, biologic consequences, tumor risk, and clinical management ...

Colorectal cancer is a major cause of morbidity and mortality. About 15 - 20% of all colorectal cancers are familial. Hereditary nonpolyposis colorectal cancer is an inherited cancer predisposition syndrome. It is caused by mutations in mismatch repair genes, predominantly MSH2 and MLH1. Although hereditary nonpolyposis colorectal cancer accounts for a minority of colorectal cancers, the mutati...

rophylactic risk-reducing surgery has been earlier suggested effective to improve survival in individuals selected on the basis of a strong family history. Now, genetic increasing the accuracy of cancer risk estimates allows surgery to target individuals with CDH1 or BRCA1/BRCA2 mutations who are at high risk of developing gastric cancer and breast cancer respectively. Here, we discuss the rein...

Colorectal cancer (CRC) is the second-leading cause of cancer-related death in the United States. Approximately 10% of CRC is hereditary, and hereditary nonpolyposis CRC (HNPCC), or Lynch syndrome I, is the most common form. Lynch syndrome I is characterized by onset at an early age, poor differentiation, predominance of proximal tumors, and an excess of synchronous and metachronous tumors. In ...