journal
https://read.qxmd.com/read/37968543/cascade-testing-in-italian-hereditary-breast-ovarian-cancer-families-a-missed-opportunity-for-cancer-prevention
#1
JOURNAL ARTICLE
Lucia Trevisan, Lea Godino, Linda Battistuzzi, Giovanni Innella, Elena Luppi, Giulia Buzzatti, Viviana Gismondi, Eva Blondeaux, Luigina Ada Bonelli, Daniela Turchetti, Liliana Varesco
Healthy carriers of BRCA1/2 pathogenic variants (PVs) may benefit from risk-reducing measures of proven efficacy. The main approach to identify these individuals is cascade testing, and strategies to support this complex process are under investigation. In Italy, cascade testing has received little attention; therefore, we analyzed the uptake and characteristics of BRCA1/2 cascade testing in families diagnosed with HBOC between 2017 and 2019 at two Italian genetics centers. All blood relatives aged 18 years or older at September 2022 and who could be involved in the first step of cascade testing (i...
November 16, 2023: Familial Cancer
https://read.qxmd.com/read/37957483/functional-and-phenotypic-consequences-of-an-unusual-inversion-in-msh2
#2
LETTER
Dylan Pelletier, Abhijit Rath, Nelly Sabbaghian, Manuela Pelmus, Catherine Hudon, Karine Jacob, Leora Witowski, Avi Saskin, Christopher D Heinen, William D Foulkes
Lynch syndrome is an autosomal dominant disorder that usually results from a pathogenic germline variant in one of four genes (MSH2, MSH6, MLH1, PMS2) involved in DNA mismatch repair. Carriers of such variants are at risk of developing numerous cancers during adulthood. Here we report on a family suspected of having Lynch syndrome due to a history of endometrial adenocarcinoma, ovarian clear cell carcinoma, and adenocarcinoma of the duodenum in whom we identified a germline 29 nucleotide in-frame inversion in exon 3 of MSH2...
November 14, 2023: Familial Cancer
https://read.qxmd.com/read/37713026/balancing-the-burden-and-benefits-of-colonoscopy-in-lynch-syndrome
#3
EDITORIAL
Finlay Macrae
No abstract text is available yet for this article.
October 2023: Familial Cancer
https://read.qxmd.com/read/37572151/premm5-distinguishes-sporadic-from-lynch-syndrome-associated-mmr-deficient-msi-high-colorectal-cancer
#4
JOURNAL ARTICLE
Renata L Sandoval, Miki Horiguchi, Chinedu Ukaegbu, C Sloane Furniss, Hajime Uno, Sapna Syngal, Matthew B Yurgelun
Current algorithms for diagnosing Lynch syndrome (LS) include multistep molecular tumor tests to distinguish LS-associated from sporadic colorectal cancer (CRC), which add cost and complexity to the evaluation. We hypothesized that PREMM5, a clinical LS prediction tool, could be an alternative approach to screen for LS, thereby lessening the need for specialized molecular diagnostics. We reviewed a consecutively ascertained institutional cohort of 1058 CRC patients on whom pathologic and clinical data were available, including prior LS germline testing...
October 2023: Familial Cancer
https://read.qxmd.com/read/37341816/cancer-surveillance-for-transgender-and-gender-diverse-patients-with-lynch-syndrome-a-practice-resource-of-the-collaborative-group-of-the-americas-on-inherited-gastrointestinal-cancer
#5
REVIEW
Rachel Hodan, Linda Rodgers-Fouche, Anu Chittenden, Mev Dominguez-Valentin, James Ferriss, Lauren Gima, Ole-Petter R Hamnvik, Gregory E Idos, Kevin Kline, Diane R Koeller, Jessica M Long, Danielle McKenna, Charles Muller, Maxton Thoman, Anton Wintner, Bronwyn S Bedrick
Transgender and gender diverse (TGD) populations with hereditary cancer syndromes face unique obstacles to identifying and obtaining appropriate cancer surveillance and risk-reducing procedures. There is a lack of care provider knowledge about TGD health management. Lynch syndrome (LS) is one of the most common hereditary cancer syndromes, affecting an estimated 1 in 279 individuals. There are no clinical guidelines specific for TGD individuals with LS, highlighting a need to improve the quality of care for this population...
October 2023: Familial Cancer
https://read.qxmd.com/read/37318702/a-mosaic-pathogenic-variant-in-msh6-causes-msh6-deficient-colorectal-and-endometrial-cancer-in-a-patient-classified-as-suspected-lynch-syndrome-a-case-report
#6
JOURNAL ARTICLE
Romy Walker, Mark Clendenning, Jihoon E Joo, Jessie Xue, Khalid Mahmood, Peter Georgeson, Julia Como, Sharelle Joseland, Susan G Preston, James M Chan, Mark A Jenkins, Christophe Rosty, Finlay A Macrae, Stephanie Di Palma, Ainsley Campbell, Ingrid M Winship, Daniel D Buchanan
Germline pathogenic variants in the DNA mismatch repair (MMR) genes (Lynch syndrome) predispose to colorectal (CRC) and endometrial (EC) cancer. However, mosaic variants in the MMR genes have been rarely described. We identified a likely de novo mosaic MSH6:c.1135_1139del p.Arg379* pathogenic variant in a patient diagnosed with suspected Lynch syndrome/Lynch-like syndrome. The patient developed MSH6-deficient EC and CRC at 54 and 58 years of age, respectively, without a detectable germline MMR pathogenic variant...
October 2023: Familial Cancer
https://read.qxmd.com/read/37540482/combining-clinical-and-molecular-characterization-of-cdh1-a-multidisciplinary-approach-to-reclassification-of-a-splicing-variant
#7
JOURNAL ARTICLE
Corrine Fillman, Arravinth Anantharajah, Briana Marmelstein, Monica Dillon, Carolyn Horton, Candace Peterson, Joseph Lopez, Rashmi Tondon, Terra Brannan, Bryson W Katona
Pathogenic germline variants (PGVs) in the CDH1 gene are associated with diffuse gastric and lobular breast cancer syndrome (DGLBC) and can increase the lifetime risk for both diffuse gastric cancer and lobular breast cancer. Given the risk for diffuse gastric cancer among individuals with CDH1 PGVs is up to 30-40%, prophylactic total gastrectomy is often recommended to affected individuals. Therefore, accurate interpretation of CDH1 variants is of the utmost importance for proper clinical decision-making. Herein we present a 45-year-old female, with lobular breast cancer and a father with gastric cancer of unknown pathology at age 48, who was identified to have an intronic variant of uncertain significance in the CDH1 gene, specifically c...
August 4, 2023: Familial Cancer
https://read.qxmd.com/read/37516717/prevalence-and-genetic-spectrum-associated-with-hereditary-colorectal-cancer-syndromes-the-need-to-improve-cancer-risk-awareness-and-family-cascade-testing-in-vietnam
#8
JOURNAL ARTICLE
Huu-Thinh Nguyen, Y-Thanh Lu, Duc-Huy Tran, Ba-Linh Tieu, Kien-Trung Le, Truong-Vinh Ngoc Pham, Thanh-Thuy Thi Do, Dinh-Kiet Truong, Hoa Giang, Hung-Sang Tang
In Vietnam, colorectal cancer is one of the top diagnosed cancers, with 5-10% originating from inherited mutations. This study aims to define the mutation spectrum associated with hereditary colorectal cancer syndromes (HCCS) in Vietnam, evaluate the influence of genetic testing on carriers' awareness, and also investigate the barriers in familial testing. Genetic test reports were collected to identify HCCS cases, then cases underwent a survey investigating self-risk and familial-risk awareness, proactive cancer screening, and familial testing barriers...
July 30, 2023: Familial Cancer
https://read.qxmd.com/read/37481477/germline-whole-genome-sequencing-in-adults-with-multiple-primary-tumors
#9
JOURNAL ARTICLE
Yiming Wang, Qiliang Ding, Stephenie Prokopec, Kirsten M Farncombe, Jeffrey Bruce, Selina Casalino, Jeanna McCuaig, Marta Szybowska, Kalene van Engelen, Jordan Lerner-Ellis, Trevor J Pugh, Raymond H Kim
Multiple primary tumors (MPTs) are a harbinger of hereditary cancer syndromes. Affected individuals often fit genetic testing criteria for a number of hereditary cancer genes and undergo multigene panel testing. Other genomic testing options, such as whole exome (WES) and whole genome sequencing (WGS) are available, but the utility of these genomic approaches as a second-tier test for those with uninformative multigene panel testing has not been explored. Here, we report our germline sequencing results from WGS in 9 patients with MPTs who had non-informative multigene panel testing...
July 22, 2023: Familial Cancer
https://read.qxmd.com/read/37354306/mainstreamed-genetic-testing-of-breast-cancer-patients-experience-from-a-single-surgeon-s-practice-in-a-large-us-academic-center
#10
JOURNAL ARTICLE
Teresa S Chai, Kanhua Yin, Mackenzie Wooters, Kristen M Shannon, Kevin S Hughes
This study evaluated the impact of mainstreamed genetic testing (MGT) on the timing and uptake of testing in an academic breast surgeon's practice. Before September 2019 (pre-MGT phase), a breast surgery practice at Massachusetts General Hospital followed a traditional model of a pre-test consultation with a genetic counselor (GC) following a referral. After September 2019 (post-MGT phase), the same practice offered patients genetic testing in a single clinical encounter with a breast surgeon. We evaluated the waiting time between referral and GC visit in the pre-MGT phase and compared the uptake and positivity rates between both phases...
June 24, 2023: Familial Cancer
https://read.qxmd.com/read/37354305/whole-genome-sequencing-and-disease-pattern-in-patients-with-juvenile-polyposis-syndrome-a-nationwide-study
#11
JOURNAL ARTICLE
Anne Marie Jelsig, Thomas van Overeem Hansen, Lene Bjerring Gede, Niels Qvist, Lise-Lotte Christensen, Charlotte Kvist Lautrup, Ken Ljungmann, Louise Torp Christensen, Karina Rønlund, Pernille Mathiesen Tørring, Birgitte Bertelsen, Lone Sunde, John Gásdal Karstensen
Juvenile polyposis syndrome (JPS) is a hereditary hamartomatous polyposis syndrome characterized by gastrointestinal juvenile polyps and increased risk of gastrointestinal cancer. Germline pathogenic variants are detected in SMAD4 or BMPR1A, however in a significant number of patients with JPS, the etiology is unknown. From Danish registers, and genetic department and laboratories, we identified all patients in Denmark with a clinical diagnosis of JPS and/or a pathogenic variant in BMPR1A or SMAD4. In patients where no variant had been detected, we performed genetic analysis, including whole genome sequencing...
June 24, 2023: Familial Cancer
https://read.qxmd.com/read/37351819/willingness-of-individuals-with-li-fraumeni-syndrome-to-participate-in-a-cancer-prevention-trial-a-survey-study
#12
LETTER
Farina J Struewe, Sarah Schott, Martina de Zwaan, Christian P Kratz
No abstract text is available yet for this article.
June 23, 2023: Familial Cancer
https://read.qxmd.com/read/37335380/clinical-and-imaging-modality-factors-impacting-radiological-interpretation-of-breast-screening-in-young-women-with-neurofibromatosis-type-1
#13
JOURNAL ARTICLE
Mathilda Wilding, Jane Fleming, Katrina Moore, Ashley Crook, Ranjani Reddy, Sarah Choi, Timothy E Schlub, Michael Field, Lavvina Thiyagarajan, Jeff Thompson, Yemima Berman
Young women with Neurofibromatosis type 1 (NF1) have a high risk of developing breast cancer and poorer survival following breast cancer diagnosis. International guidelines recommend commencing breast screening between 30 and 35 years; however, the optimal screening modality is unestablished, and previous reports suggest that breast imaging may be complicated by the presence of intramammary and cutaneous neurofibromas (cNFs). The aim of this study was to explore potential barriers to implementation of breast screening for young women with NF1...
June 19, 2023: Familial Cancer
https://read.qxmd.com/read/37316640/in-deep-bioinformatic-characterization-of-a-novel-fumarate-hydratase-variant-fh-c-199t%C3%A2-%C3%A2-g-p-tyr67asp-in-hereditary-leiomyomatosis-and-renal-cell-carcinoma
#14
JOURNAL ARTICLE
Anisse Chami, Thalía Rodrigues de Souza Zózimo, Thamiris Matias Alves, Carolina Guimarães Ramos Matosinho, Cleydson Santos, Marcela Mattos Simões, Walter Luiz Ribeiro Cabral, Bernardo Ferreira de Paula Ricardo, Agnaldo Lopes da Silva Filho, Maria Raquel Santos Carvalho, Letícia da Conceição Braga
Hereditary leiomyomatosis and renal cell carcinoma (HLRCC) is a rare, autosomal dominant tumor predisposition syndrome characterized by variable development of multiple skin and uterus leiomyomas and aggressive forms of renal cell carcinoma (RCC). Mutations in fumarate hydratase (FH), one of the proteins in homologous recombination repair, precede the development of HLRCC with high penetrance. Considering the risk of early metastasis of RCC, FH has been included in mutation screening panels. The identification of a pathogenic FH variant guides the screening for tumors in the carriers...
June 15, 2023: Familial Cancer
https://read.qxmd.com/read/37280479/ninth-international-symposium-on-hereditary-breast-and-ovarian-cancer-may-2-5-2023-centre-mont-royal-montr%C3%A3-al-qu%C3%A3-bec-canada
#15
JOURNAL ARTICLE
(no author information available yet)
No abstract text is available yet for this article.
June 7, 2023: Familial Cancer
https://read.qxmd.com/read/37248399/reclassification-of-two-germline-dicer1-splicing-variants-leads-to-dicer1-syndrome-diagnosis
#16
JOURNAL ARTICLE
Maria Apellaniz-Ruiz, Nelly Sabbaghian, Anne-Laure Chong, Leanne de Kock, Semra Cetinkaya, Elvan Bayramoğlu, Winand N M Dinjens, W Glenn McCluggage, Anja Wagner, Aslihan Arasli Yilmaz, William D Foulkes
DICER1 syndrome is an inherited condition associated with an increased risk of developing hamartomatous and neoplastic lesions in diverse organs, mainly at early ages. Germline pathogenic variants in DICER1 cause this condition. Detecting a variant of uncertain significance in DICER1 or finding uncommon phenotypes complicate the diagnosis and can negatively impact patient care. We present two unrelated patients suspected to have DICER1 syndrome. Both females (aged 13 and 15 years) presented with multinodular goiter (thyroid follicular nodular disease) and ovarian tumours...
May 30, 2023: Familial Cancer
https://read.qxmd.com/read/37171677/colonoscopy-surveillance-in-lynch-syndrome-is-burdensome-and-frequently-delayed
#17
JOURNAL ARTICLE
Elsa L S A van Liere, Imke L Jacobs, Evelien Dekker, Maarten A J M Jacobs, Nanne K H de Boer, Dewkoemar Ramsoekh
Individuals with Lynch syndrome have an increased colorectal cancer risk, hence, biennial colonoscopy surveillance is recommended. We aimed to investigate patients' perception and preferences regarding surveillance, and to further explore compliance behaviour. Individuals with Lynch syndrome received a validated survey evaluating experiences of their three most recent colonoscopies. Individuals were non-compliant to surveillance if the interval between colonoscopies differed ≥ 6 months from the recommended interval...
May 12, 2023: Familial Cancer
https://read.qxmd.com/read/37119510/endoscopic-and-chemopreventive-management-of-familial-adenomatous-polyposis-syndrome
#18
REVIEW
J K Stone, N A Mehta, H Singh, W El-Matary, C N Bernstein
Familial adenomatous polyposis (FAP) is an autosomal dominant syndrome predisposing affected individuals to gastrointestinal (GI) cancers through a high burden of polyposis. Colorectal cancer rates reach 100% by the age of 45, making early colectomy a mainstay of treatment. While most patients undergo colectomy at an early age, ongoing screening and surveillance of the upper gastrointestinal tract and rectal pouch must continue throughout adulthood. Endoscopic therapy of gastric, duodenal, ampullary and rectal pouch polyps is critical to reduce morbidity and cancer related mortality...
April 29, 2023: Familial Cancer
https://read.qxmd.com/read/37119509/hematologic-toxicities-of-chemotherapy-in-breast-and-ovarian-cancer-patients-carrying-brca1-brca2-germline-pathogenic-variants-a-single-center-experience-and-review-of-the-literature
#19
JOURNAL ARTICLE
Ketty Hu-Heimgartner, Noémie Lang, Aurélie Ayme, Chang Ming, Jean-Damien Combes, Victor N Chappuis, Carla Vazquez, Alex Friedlaender, Aurélie Vuilleumier, Alexandre Bodmer, Valeria Viassolo, José L Sandoval, Pierre O Chappuis, S Intidhar Labidi-Galy
BRCA1 and BRCA2 play a central role in DNA repair and their germline pathogenic variants (gBRCA) confer a high risk for developing breast and ovarian cancer. Standard chemotherapy regimens for these cancers include DNA-damaging agents. We hypothesized that gBRCA carriers might be at higher risk of developing chemotherapy-related hematologic toxicity and therapy-related myeloid neoplasms (t-MN). We conducted a retrospective study of women newly diagnosed with invasive breast or ovarian cancer who were screened for gBRCA1/gBRCA2 at Geneva University Hospitals...
April 29, 2023: Familial Cancer
https://read.qxmd.com/read/36690767/2022-cga-igc-annual-meeting-the-collaborative-group-of-the-americas-on-inherited-gastrointestinal-cancer-november-11-13-2022
#20
JOURNAL ARTICLE
(no author information available yet)
No abstract text is available yet for this article.
April 2023: Familial Cancer
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