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Hereditary Cancer in Clinical Practice

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https://www.readbyqxmd.com/read/28770017/preoperative-genetic-testing-impacts-surgical-decision-making-in-brca-mutation-carriers-with-breast-cancer-a-retrospective-cohort-analysis
#1
Siddhartha Yadav, Ashley Reeves, Sarah Campian, Amy Sufka, Dana Zakalik
BACKGROUND: The impact of timing of genetic testing on surgical decision making in women with breast cancer and BRCA mutation is not well known. METHODS: Women who were found to carry a deleterious BRCA mutation and had been diagnosed with breast cancer were identified from a database at Beaumont Health. Women who had received BRCA positive results at least a day prior to their index surgery were considered to be aware of their mutation status prior to surgery. Baseline characteristics and surgical choices were compared between women who were aware of their mutation status prior to surgery and those who were not...
2017: Hereditary Cancer in Clinical Practice
https://www.readbyqxmd.com/read/28736585/late-onset-asymptomatic-pancreatic-neuroendocrine-tumor-a-case-report-on-the-phenotypic-expansion-for-men1
#2
Charu Kaiwar, Sarah K Macklin, Jennifer M Gass, Jessica Jackson, Eric W Klee, Stephanie L Hines, John A Stauffer, Paldeep S Atwal
BACKGROUND: Multiple endocrine neoplasia type 1 (MEN1) is a hereditary cancer syndrome associated with several endocrine as well as non-endocrine tumors and is caused by mutations in the MEN1 gene. Primary hyperparathyroidism affects the majority of MEN1 individuals by age 50 years. Additionally, MEN1 mutations trigger familial isolated hyperparathyroidism. We describe a seemingly unaffected 76-year-old female who presented to our Genetics Clinic with a family history of primary hyperparathyroidism and the identification of a pathogenic MEN1 variant...
2017: Hereditary Cancer in Clinical Practice
https://www.readbyqxmd.com/read/28670351/hereditary-pancreatic-cancer-related-syndromes-and-clinical-perspective
#3
REVIEW
Sergio Carrera, Aintzane Sancho, Eider Azkona, Josune Azkuna, Guillermo Lopez-Vivanco
Pancreatic cancer is a very aggressive disease with a poor prognosis. The majority of them are attributed to sporadic causes, especially to many modifiable risk factors such as tobacco or alcohol abuse. The principal histologic subtype of pancreatic cancer is ductal adenocarcinoma. Pancreatic neuroendocrine tumors, which constitute a more indolent entity, represent second type of pancreatic cancer in terms of incidence. Individuals with a family history of pancreatic cancer carry an increased risk of developing the disease, which may be related to an underlying hereditary component...
2017: Hereditary Cancer in Clinical Practice
https://www.readbyqxmd.com/read/28630657/arlts1-polymorphism-is-associated-with-an-increased-risk-of-familial-cancer-evidence-from-a-meta-analysis
#4
REVIEW
Yan Jiang, Chen-Yang Zhao, Li-Chun Cheng, Bing Xu, Hui-Yi Lv
Adenosine diphosphate (ADP)-ribosylation factor-like tumour suppressor gene 1(ARLTS1) might be associated with an increased risk of several types of familial cancers. However, previous studies have shown that cancer susceptibility is not completely consistent with ARLTS1 polymorphisms, and the precise mechanism remains unknown. Therefore, we conducted a meta-analysis of case-control studies by searching the PubMed, Embase, OVID, Science Direct and Chinese National Knowledge Infrastructure (CNKI) databases. In total, 12 studies met the inclusion criteria and were included in this meta-analysis...
2017: Hereditary Cancer in Clinical Practice
https://www.readbyqxmd.com/read/28559958/hereditary-and-non-hereditary-branches-of-family-eligible-for-brca-test-cancers-in-other-sites
#5
M Digennaro, D Sambiasi, S Tommasi, B Pilato, S Diotaiuti, A Kardhashi, G Trojano, A Tufaro, A V Paradiso
BACKGROUND: The analysis of relationships of BRCA alterations with cancer at sites other than breast/ovary may provide innovative information concerning BRCA pathogenic role and support additional clinical decisions. Aim of this study is to compare presence of cancers in other sites in members of hereditary (H) and not-hereditary (nH) branches of families of patients eligible to BRCA test. METHODS: We retrospectively analyzed the incidence of cancer in other sites in members of 136 families eligible for hereditary breast/ovarian cancer genetic counseling at Centro Studi Tumori Eredo-familiari of our Institute; we compared the frequency of other cancer types in 1156 members of the H-branch with respect to 1062 members of nH-Branch...
2017: Hereditary Cancer in Clinical Practice
https://www.readbyqxmd.com/read/28507641/a-case-report-of-muir-torre-syndrome-in-a-woman-with-breast-cancer-and-msi-low-skin-squamous-cell-carcinoma
#6
Caroline Kientz, Marie-Odile Joly, Laurence Faivre, Alix Clemenson, Sophie Dalac, Côme Lepage, Caroline Chapusot, Caroline Jacquot, Renaud Schiappa, Marine Lebrun
BACKGROUND: The tumor spectrum in the Lynch syndrome is well defined, comprising an increased risk of developing colonic and extracolonic malignancies. Muir-Torre syndrome is a variant with a higher risk of skin disease. Patients have been described carrying mutations in the mismatch repair genes and presenting tumors with unusual histology or affected organ not part of the Lynch syndrome spectrum. Hence, the real link between Lynch syndrome, or Muir-Torre syndrome, and these tumors remains difficult to assess...
2017: Hereditary Cancer in Clinical Practice
https://www.readbyqxmd.com/read/28331556/the-genetic-basis-of-colonic-adenomatous-polyposis-syndromes
#7
REVIEW
Bente A Talseth-Palmer
Colorectal cancer (CRC) is one of the most common forms of cancer worldwide and familial adenomatous polyposis (FAP) accounts for approximately 1% of all CRCs. Adenomatous polyposis syndromes can be divided into; familial adenomatous polyposis (FAP) - classic FAP and attenuated familial adenomatous polyposis (AFAP), MUTYH-associated polyposis (MAP), NTHL1-associated polyposis (NAP) and polymerase proofreading-associated polyposis (PPAP). The polyposis syndromes genetics and clinical manifestation of disease varies and cases with clinical diagnosis of FAP might molecularly show a different diagnosis...
2017: Hereditary Cancer in Clinical Practice
https://www.readbyqxmd.com/read/28265306/screening-with-magnetic-resonance-imaging-mammography-and-ultrasound-in-women-at-average-and-intermediate-risk-of-breast-cancer
#8
Tomasz Huzarski, Barbara Górecka-Szyld, Jowita Huzarska, Grażyna Psut-Muszyńska, Grażyna Wilk, Robert Sibilski, Cezary Cybulski, Beata Kozak-Klonowska, Monika Siołek, Ewa Kilar, Dorota Czudowska, Hanna Janiszewska, Dariusz Godlewski, Andrzej Mackiewicz, Joanna Jarkiewicz-Tretyn, Jadwiga Szabo-Moskal, Jacek Gronwald, Jan Lubiński, Steven A Narod
BACKGROUND: The addition of MRI to mammography and ultrasound for breast cancer screening has been shown to improve screening sensitivity for high risk women, but there is little data to date for women at average or intermediate risk. METHODS: Two thousand nine hundred and ninety-five women, aged 40 to 65 years with no previous history of breast cancer were enrolled in a screening program, which consisted of two rounds of MRI, ultrasound and mammography, one year apart...
2017: Hereditary Cancer in Clinical Practice
https://www.readbyqxmd.com/read/28127413/hereditary-cancer-syndromes-in-latino-populations-genetic-characterization-and-surveillance-guidelines
#9
REVIEW
Marcia Cruz-Correa, Julyann Pérez-Mayoral, Julie Dutil, Miguel Echenique, Rafael Mosquera, Keila Rivera-Román, Sharee Umpierre, Segundo Rodriguez-Quilichini, Maria Gonzalez-Pons, Myrta I Olivera, Sherly Pardo
Hereditary cancer predisposition syndromes comprise approximately 10% of diagnosed cancers; however, familial forms are believed to account for up to 30% of some cancers. In Hispanics, the most commonly diagnosed hereditary cancers include colorectal cancer syndromes such as, Lynch Syndrome, Familial Adenomatous Polyposis, and hereditary breast and ovarian cancer syndromes. Although the incidence of hereditary cancers is low, patients diagnosed with hereditary cancer syndromes are at high-risk for developing secondary cancers...
2017: Hereditary Cancer in Clinical Practice
https://www.readbyqxmd.com/read/28096903/anxiety-and-depression-symptoms-among-women-attending-group-based-patient-education-courses-for-hereditary-breast-and-ovarian-cancer
#10
Wenche Listøl, Hildegunn Høberg-Vetti, Geir Egil Eide, Cathrine Bjorvatn
BACKGROUND: Women carrying BRCA-mutations are facing significant challenges, including decision making regarding surveillance and risk-reducing surgery. They often report that they are left alone with these important decisions. In order to enhance the genetic counselling session we organized a group-based patient education (GPE) course for women with BRCA-mutations. The study aims were to characterize women attending a group-based patient education (GPE) course for hereditary breast and ovarian cancer, consider the usefulness of the course, evaluate symptoms of anxiety and depression among the participants, and finally investigate whether their levels of anxiety and depression changed from before to after the course session...
2017: Hereditary Cancer in Clinical Practice
https://www.readbyqxmd.com/read/28070225/how-does-genetic-risk-information-for-lynch-syndrome-translate-to-risk-management-behaviours
#11
Emma Steel, Andrew Robbins, Mark Jenkins, Louisa Flander, Clara Gaff, Louise Keogh
BACKGROUND: There is limited research on why some individuals who have undergone predictive genetic testing for Lynch syndrome do not adhere to screening recommendations. This study aimed to explore qualitatively how Lynch syndrome non-carriers and carriers translate genetic risk information and advice to decisions about risk managment behaviours in the Australian healthcare system. METHODS: Participants of the Australasian Colorectal Cancer Family Registry who had undergone predictive genetic testing for Lynch syndrome were interviewed on their risk management behaviours...
2017: Hereditary Cancer in Clinical Practice
https://www.readbyqxmd.com/read/27777639/differences-in-neuropsychological-and-behavioral-parameters-and-brain-structure-in-patients-with-familial-adenomatous-polyposis-a-sibling-paired-study
#12
Ana Sánchez Azofra, Trilokesh D Kidambi, Rita J Jeremy, Peggy Conrad, Amie Blanco, Megan Myers, James Barkovich, Jonathan P Terdiman
BACKGROUND: Familial adenomatous polyposis (FAP) is an autosomal dominant hereditary colon cancer syndrome caused by mutations in adenomatous polyposis coli (APC) with both colonic and extra-colonic manifestations. Case reports have noted an association with FAP and intellectual disability and animal studies have shown that APC is implicated in neural development and function, but no studies have investigated neuropsychological, behavioral, or structural brain characteristics of patients with FAP...
2016: Hereditary Cancer in Clinical Practice
https://www.readbyqxmd.com/read/27708748/prevalence-of-the-chek2-r95-germline-mutation
#13
Stian Knappskog, Beryl Leirvaag, Liv B Gansmo, Pål Romundstad, Kristian Hveem, Lars Vatten, Per E Lønning
BACKGROUND: While germline CHEK2 mutations have been linked to a moderately elevated cancer risk, to date, a limited number of such mutations have been identified. Recently, we reported a germline nonsense mutation (C283T; R95*), introducing an early stop-codon, in two Norwegian patients diagnosed with locally advanced breast cancer. Both patients were resistant to anthracycline therapy, resembling what has been observed for TP53 mutations. METHODS: In the present study, we screened a large population based sample, including 3748 non-cancer individuals and 7081 incident cancer cases (breast cancer, n = 1717; prostate cancer n = 2501, lung cancer n = 1331 and colorectal cancer n = 1532), for the distribution of CHEK2 R95*...
2016: Hereditary Cancer in Clinical Practice
https://www.readbyqxmd.com/read/27602174/two-novel-sequence-variants-in-msh2-gene-in-a-patient-who-underwent-cancer-genetic-counseling-for-a-very-early-onset-epithelial-ovarian-cancer
#14
Matilde Pensabene, Caterina Condello, Chiara Carlomagno, Sabino De Placido, Raffaella Liccardo, Francesca Duraturo
BACKGROUND: Early-onset or hereditary ovarian cancer is mostly associated with BRCA1 or BRCA2 mutations. Mismatch repair genes sequence alteration frequently cause colorectal cancer, and, in less extent, other tumors, such as ovarian cancer. Subjects with personal and/or family history suggestive for hereditary cancer should be addressed to cancer genetic counseling, aimed to the identification, definition and management of hereditary cancer syndrome, by a multidisciplinary approach. CASE PRESENTATION: A woman with a very early onset epithelial ovarian cancer underwent to cancer genetic counseling and genetic testing...
2016: Hereditary Cancer in Clinical Practice
https://www.readbyqxmd.com/read/27555886/cytotoxic-and-targeted-therapy-for-hereditary-cancers
#15
REVIEW
Aglaya G Iyevleva, Evgeny N Imyanitov
There is a number of drugs demonstrating specific activity towards hereditary cancers. For example, tumors in BRCA1/2 mutation carriers usually arise via somatic inactivation of the remaining BRCA allele, which makes them particularly sensitive to platinum-based drugs, PARP inhibitors (PARPi), mitomycin C, liposomal doxorubicin, etc. There are several molecular assays for BRCA-ness, which permit to reveal BRCA-like phenocopies among sporadic tumors and thus extend clinical indications for the use of BRCA-specific therapies...
2016: Hereditary Cancer in Clinical Practice
https://www.readbyqxmd.com/read/27508007/pedigree-based-dna-sequencing-pipeline-for-germline-genomes-of-cancer-families
#16
Asta Försti, Abhishek Kumar, Nagarajan Paramasivam, Matthias Schlesner, Calogerina Catalano, Dagmara Dymerska, Jan Lubinski, Roland Eils, Kari Hemminki
BACKGROUND: In the course of our whole-genome sequencing efforts, we have developed a pipeline for analyzing germline genomes from Mendelian types of cancer pedigrees (familial cancer variant prioritization pipeline, FCVPP). RESULTS: The variant calling step distinguishes two types of genomic variants: single nucleotide variants (SNVs) and indels, which undergo technical quality control. Mendelian types of variants are assumed to be rare and variants with frequencies higher that 0...
2016: Hereditary Cancer in Clinical Practice
https://www.readbyqxmd.com/read/27437068/syndromic-gastrointestinal-stromal-tumors
#17
REVIEW
Riccardo Ricci
Gastrointestinal stromal tumors (GISTs) are the most common mesenchymal neoplasms of gastrointestinal tract. They feature heterogeneous triggering mechanisms, implying relevant clinical differences. The vast majority of GISTs are sporadic tumors. Rarely, however, GIST-prone syndromes occur, mostly depending on heritable GIST predisposing molecular defects involving the entire organism. These conditions need to be properly identified in order to plan appropriate diagnostic, prognostic and therapeutic procedures...
2016: Hereditary Cancer in Clinical Practice
https://www.readbyqxmd.com/read/27413415/a-novel-deleterious-c-2656g-t-msh2-germline-mutation-in-a-pakistani-family-with-a-phenotypic-overlap-of-hereditary-breast-and-ovarian-cancer-and-lynch-syndrome
#18
Muhammad U Rashid, Humaira Naeemi, Noor Muhammad, Asif Loya, Muhammed A Yusuf, Jan Lubiński, Anna Jakubowska, Ute Hamann
BACKGROUND: Hereditary breast and ovarian cancer syndrome (HBOC) and Lynch syndrome (LS) account for a significant proportion of inherited gynecologic malignancies, mainly caused by pathogenic germline mutations in the BRCA1 and BRCA2 genes or in mismatch repair (MMR) genes, such as MLH1 and MSH2. Women harboring deleterious mutations in these genes have increased life-time risks of developing a number of malignancies including ovarian cancer. Since there is a phenotypic overlap of HBOC and LS, timely identification of individuals at-risk of a particular syndrome is crucial in order to optimize cancer risk management...
2016: Hereditary Cancer in Clinical Practice
https://www.readbyqxmd.com/read/27279923/identification-of-eight-novel-sdhb-sdhc-sdhd-germline-variants-in-danish-pheochromocytoma-paraganglioma-patients
#19
Marc Bennedbæk, Maria Rossing, Åse K Rasmussen, Anne-Marie Gerdes, Anne-Bine Skytte, Uffe B Jensen, Finn C Nielsen, Thomas V O Hansen
BACKGROUND: Germline mutations in the succinate dehydrogenase complex genes SDHB, SDHC, and SDHD predispose to pheochromocytomas and paragangliomas. Here, we examine the SDHB, SDHC, and SDHD mutation spectrum in the Danish population by screening of 143 Danish pheochromocytoma and paraganglioma patients. METHODS: Mutational screening was performed by Sanger sequencing or next-generation sequencing. The frequencies of variants of unknown clinical significance, e...
2016: Hereditary Cancer in Clinical Practice
https://www.readbyqxmd.com/read/27252788/implications-of-using-whole-genome-sequencing-to-test-unselected-populations-for-high-risk-breast-cancer-genes-a-modelling-study
#20
Charlotte Warren-Gash, Mark Kroese, Hilary Burton, Paul Pharoah
BACKGROUND: The decision to test for high risk breast cancer gene mutations is traditionally based on risk scores derived from age, family and personal cancer history. Next generation sequencing technologies such as whole genome sequencing (WGS) make wider population testing more feasible. In the UK's 100,000 Genomes Project, mutations in 16 genes including BRCA1 and BRCA2 are to be actively sought regardless of clinical presentation. The implications of deploying this approach at scale for patients and clinical services are unclear...
2016: Hereditary Cancer in Clinical Practice
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