Journals Hereditary Cancer in Clinical ...

Hereditary Cancer in Clinical Practice
Yoshimi Kiyozumi, Hiroyuki Matsubayashi, Akiko Todaka, Ryo Ashida, Seiichiro Nishimura, Nobuhiro Kado, Satomi Higashigawa, Rina Harada, Eiko Ishihara, Yasue Horiuchi, Goichi Honda, Hirotsugu Kenmotsu, Masakuni Serizawa, Kenichi Urakami
BACKGROUND: Germline mutations in CDKN2A result in Familial Atypical Multiple Mole Melanoma Syndrome (FAMMM) (OMIM #155,601), which is associated with an increased risk of pancreatic ductal adenocarcinoma and melanoma. FAMMM has been reported globally, but it is quite rare in Japan. We report two families with familial pancreatic cancer with suspected pathogenic variants of CDKN2A that were incidentally identified through comprehensive genomic profiling. CASE PRESENTATION: The first case is a 74-year-old woman with a diagnosis of pancreatic carcinoma with multiple liver metastases...
July 3, 2024: Hereditary Cancer in Clinical Practice
Robert F Power, Damien E Doherty, Roberta Horgan, Pat Fahey, David J Gallagher, Maeve A Lowery, Karen A Cadoo
BACKGROUND: Lynch syndrome is the most common cause of hereditary colorectal and endometrial cancer. Lifestyle modification may provide an opportunity for adjunctive cancer prevention. In this study, we aimed to characterise modifiable risk factors in people with Lynch syndrome and compare this with international guidelines for cancer prevention. METHODS: A cross-sectional study was carried out utilizing survey methodology. Following public and patient involvement, the survey was disseminated through patient advocacy groups and by social media...
June 14, 2024: Hereditary Cancer in Clinical Practice
Andrzej Hnatyszyn, Marlena Szalata, Aleksandra Zielińska, Karolina Wielgus, Mikołaj Danielewski, Piotr Tomasz Hnatyszyn, Andrzej Pławski, Jarosław Walkowiak, Ryszard Słomski
BACKGROUND: Development of sequential changes of mucous leading to gastric cancer and familial cases of gastric cancer of intestinal type is widely connected with Helicobacter pylori infections. In this study we analysed variants of genes involved in cancerogenesis and inflammatory processes of intestines in patients infected with H.pylori. Our goal was to test whether mutations in these genes predestinate to development of gastric cancer, and whether there is a genetic factor that makes it more likely for infections with H...
June 12, 2024: Hereditary Cancer in Clinical Practice
Annmarie Taheny, Haylie McSwaney, Julia Meade
Current National Comprehensive Cancer Network ® (NCCN ®) guidelines for Colorectal Genetic/Familial High-Risk Assessment provide limited guidance for genetic testing for individuals with already diagnosed hereditary cancer conditions. We are presenting the case of a 36-year-old woman who was diagnosed with Lynch Syndrome at age 23 after genetic testing for a familial variant (c.283del) in the MLH1 gene. The patient had a previous history of Hodgkin Lymphoma at the time of familial variant testing, and she would later develop stage IIIa cecal adenocarcinoma at age 33 and metastatic papillary thyroid carcinoma at age 35...
June 12, 2024: Hereditary Cancer in Clinical Practice
Steven A Narod, Kelly Metcalfe, Amy Finch, An-Wen Chan, Susan Randall Armel, Amber Aeilts, Andrea Eisen, Beth Karlan, Louise Bordeleau, Nadine Tung, William D Foulkes, Susan L Neuhausen, Charis Eng, Olufunmilayo Olopade, Dana Zakalik, Fergus Couch, Carey Cullinane, Tuya Pal, Ping Sun, Joanne Kotsopoulos
BACKGROUND: It has not been clearly established if skin cancer or melanoma are manifestations of BRCA1 or BRCA2 mutation carrier status. Estimating the risk of skin cancer is an important step towards developing screening recommendations. METHODS: We report the findings of a prospective cohort study of 6,207 women from North America who carry BRCA1 or BRCA2 mutations. Women were followed from the date of baseline questionnaire to the diagnosis of skin cancer, to age 80 years, death from any cause, or the date of last follow-up...
May 13, 2024: Hereditary Cancer in Clinical Practice
Pål Møller, Saskia Haupt, Aysel Ahadova, Matthias Kloor, Julian R Sampson, Lone Sunde, Toni Seppälä, John Burn, Inge Bernstein, Gabriel Capella, D Gareth Evans, Annika Lindblom, Ingrid Winship, Finlay Macrae, Lior Katz, Ido Laish, Elez Vainer, Kevin Monahan, Elizabeth Half, Karoline Horisberger, Leandro Apolinário da Silva, Vincent Heuveline, Christina Therkildsen, Charlotte Lautrup, Louise L Klarskov, Giulia Martina Cavestro, Gabriela Möslein, Eivind Hovig, Mev Dominguez-Valentin
BACKGROUND: Colorectal cancers (CRCs) in the Lynch syndromes have been assumed to emerge through an accelerated adenoma-carcinoma pathway. In this model adenomas with deficient mismatch repair have an increased probability of acquiring additional cancer driver mutation(s) resulting in more rapid progression to malignancy. If this model was accurate, the success of colonoscopy in preventing CRC would be a function of the intervals between colonoscopies and mean sojourn time of detectable adenomas...
May 13, 2024: Hereditary Cancer in Clinical Practice
Lucy Zhao, Lorrie Lynch, Lua Eiriksson
BACKGROUND: Risk-reducing gynecological surgery (RRGS) is a prophylactic procedure that may be offered to BRCA1, BRCA2, and Lynch syndrome (LS) mutation carriers to reduce the risk of developing gynecological cancer. This study was conducted to better understand patients' information needs and evaluate how patients weigh different sources of information in their decision-making process surrounding RRGS. METHODS: This study used a qualitative approach to understanding women's perspectives towards RRGS...
May 2, 2024: Hereditary Cancer in Clinical Practice
Akihiro Ohmoto, Naomi Hayashi, Shunji Takahashi, Arisa Ueki
Adrenocortical carcinoma (ACC) and pheochromocytoma/paraganglioma (PPGL) are two rare types of adrenal gland malignancies. Regarding hereditary tumors, some patients with ACC are associated with with Li-Fraumeni syndrome (LFS), and those with PPGL with multiple endocrine neoplasia type 2. Recent studies have expanded this spectrum to include other types of hereditary tumors, such as Lynch syndrome or familial adenomatous polyposis. Individuals harboring germline TP53 pathogenic variants that cause LFS have heterogeneous phenotypes depending on the respective variant type...
March 26, 2024: Hereditary Cancer in Clinical Practice
Liwen Yang, Duan Duan, Ying Xiong, Tianjiao Liu, Lijun Zhao, Fan Lai, Dingxian Gu, Liuying Zhou
BACKGROUND: Peutz-Jeghers syndrome (PJS), an autosomal dominant multiple cancerous disorder, is clinically characterized by mucocutaneous macules and multiple gastrointestinal hamartomatous polyps. Gastric-type endocervical adenocarcinoma (G-EAC), a special subtype of cervical adenocarcinoma with non-specific symptoms and signs, is known to occur in approximately 11% of female patients with PJS. CASE PRESENTATION: Here, we report a case of PJS in a 24-year-old female with multiple mucocutaneous black macules who complained of vaginal discharge and menorrhagia...
February 28, 2024: Hereditary Cancer in Clinical Practice
Hua Yuan, Rong Zhang, Ning Li, Hongwen Yao
Given the rarity of RAD51C mutations, the risk and treatment of metachronous breast cancer after the diagnosis of ovarian cancer in RAD51C mutation carriers is not clear, especially for those who have received PARPi treatment. We report the case of a 65-year-old woman diagnosed with stage IIIC high-grade serous primary fallopian tube cancer. The patient had no family history of breast or ovarian cancer. The patient received three cycles of neoadjuvant chemotherapy with paclitaxel and carboplatin and achieved a complete response...
February 15, 2024: Hereditary Cancer in Clinical Practice
Juan Pablo Arango-Ibañez, Luis Gabriel Parra-Lara, Ángela R Zambrano, Lisa Ximena Rodríguez-Rojas
BACKGROUND: Li-Fraumeni syndrome (LFS) is an autosomal dominant hereditary cancer syndrome caused by pathogenic variants in the gene TP53. This gene codes for the P53 protein, a crucial player in genomic stability, which functions as a tumor suppressor gene. Individuals with LFS frequently develop multiple primary tumors at a young age, such as soft tissue sarcomas, breast cancer, and brain tumors. CASE PRESENTATION: A 38 years-old female with a history of femur osteosarcoma, ductal carcinoma of the breast, high-grade breast sarcoma, pleomorphic sarcoma of the left upper limb, infiltrating lobular carcinoma of the breast, gastric adenocarcinoma, leiomyosarcoma of the right upper limb, and high-grade pleomorphic renal sarcoma...
January 18, 2024: Hereditary Cancer in Clinical Practice
Ryan Mooney, Yelena P Wu, Kelsey Kehoe, Molly Volkmar, Wendy Kohlmann, Cathryn Koptiuch, Kimberly A Kaphingst
BACKGROUND: Lynch Syndrome is among the most common hereditary cancer syndromes and requires ongoing cancer surveillance, repeated screenings and potential risk-reducing surgeries. Despite the importance of continued surveillance, there is limited understanding of patient experiences after initial testing and counseling, the barriers or facilitators they experience adhering to recommendations, and how they want to receive information over time. METHODS: A cross-sectional, observational study was conducted among 127 probands and family members who had received genetic testing for Lynch Syndrome...
December 19, 2023: Hereditary Cancer in Clinical Practice
Kimberley Cao, John-Paul Plazzer, Finlay Macrae
BACKGROUND: Juvenile polyposis syndrome (JPS), a rare autosomal dominant syndrome, affects one per 100 000 births, increasing lifetime cancer risk by 9 - 50%. Around 40-60% of JPS cases are caused by disease-causing variants (DCV) in SMAD4 or BMPR1A genes, of which SMAD4 accounts for 20-30%. OBJECTIVES: To characterise genotype-phenotype correlations between sites and types of variants within SMAD4 to JPS phenotypes, to inform diagnosis, screening, and management of JPS...
December 8, 2023: Hereditary Cancer in Clinical Practice
Steven A Narod
With widespread testing for susceptibility genes, increasing numbers of women are being identified to carry a mutation in one of many genes which renders them susceptible to cancer. The first gene to be identified (in 1994) was BRCA1 which increases a woman's risk for breast cancer (70%) and ovarian cancer (40%). The prevalence of BRCA1 gene mutations has been studied widely and in many countries, mostly in women affected with cancer. In many settings testing is offered routinely to women with serous ovarian cancer or early-onset or triple-negative breast cancer...
November 29, 2023: Hereditary Cancer in Clinical Practice
Hiroko Nakahira, Yoji Takeuchi, Yusaku Shimamoto, Shingo Ishiguro, Hiroshi Yunokizaki, Yasumasa Ezoe, Fumie Fujisawa, Ryu Ishihara, Tetsuji Takayama, Teruhiko Yoshida, Michihiro Mutoh, Hideki Ishikawa
BACKGROUND: Patients with familial adenomatous polyposis (FAP) have a lifetime risk of developing duodenal adenomas approaching 100%, and the relative risk for duodenal cancer compared with the general population is high. We conducted a retrospective study to investigate the progression of non-ampullary duodenal adenomas (NADAs) and risk factors for advanced lesions in patients with FAP. METHODS: Of 248 patients with 139 pedigrees at 2 institutes, we assessed 151 patients with 100 pedigrees with a pathogenic germline variant in the adenomatous polyposis coli gene, excluding mosaic variants...
November 27, 2023: Hereditary Cancer in Clinical Practice
Jennifer L Schneider, Alison J Firemark, Sara Gille, James Davis, Pamala A Pawloski, Su-Ying Liang, Mara M Epstein, Jan Lowery, Christine Y Lu, Ravi N Sharaf, Andrea N Burnett-Hartman, Victoria Schlieder, Zachary M Salvati, Deborah Cragun, Alanna Kulchak Rahm, Jessica Ezzell Hunter
BACKGROUND: Lynch syndrome (LS) is the most common cause of inherited colorectal cancer (CRC). Universal tumor screening (UTS) of newly diagnosed CRC cases is recommended to aid in diagnosis of LS and reduce cancer-related morbidity and mortality. However, not all health systems have adopted UTS processes and implementation may be inconsistent due to system and patient-level complexities. METHODS: To identify barriers, facilitators, and suggestions for improvements of the UTS process from the patient perspective, we conducted in-depth, semi-structured interviews with patients recently diagnosed with CRC, but not screened for or aware of LS...
November 17, 2023: Hereditary Cancer in Clinical Practice
Aya Tanaka, Megumi Matsumoto, Mami Takao, Shoko Miura, Yuri Hasegawa, Ryota Otsubo, Hiroko Hayashi, Ichiro Isomoto, Kiyonori Miura, Takeshi Nagayasu
BACKGROUND: In Japan, genetic testing, surveillance, and risk-reducing surgery for hereditary breast and ovarian cancer (HBOC) syndrome have been covered by the Japanese national insurance system since April 2020. On the other hand, the current situation is that medical care, including surveillance of undiagnosed (cancer-free) patients, is self-funded even for individuals with HBOC. We report a case in which breast cancer was diagnosed at an early stage during surveillance for cancer-free HBOC at the patient's own expense, and risk-reducing surgery was performed at the same time as treatment for breast cancer...
November 13, 2023: Hereditary Cancer in Clinical Practice
Noor Muhammad, Ayesha Azeem, Shumaila Arif, Humaira Naeemi, Iqra Masood, Usman Hassan, Bushra Ijaz, Faisal Hanif, Aamir Ali Syed, Muhammed Aasim Yusuf, Muhammad Usman Rashid
BACKGROUND: BRCA1 and BRCA2 (BRCA1/2) are the most frequently investigated genes among Caucasian pancreatic cancer patients, whereas limited reports are available among Asians. We aimed to investigate the prevalence of BRCA1/2 germline variants in Pakistani pancreatic cancer patients. METHODS: One hundred and fifty unselected and prospectively enrolled pancreatic cancer patients were comprehensively screened for BRCA1/2 germline variants using denaturing high-performance liquid chromatography and high-resolution melting analyses, followed by DNA sequencing of the variant fragments...
November 11, 2023: Hereditary Cancer in Clinical Practice
Miguel Angel Trujillo-Rojas, María de la Luz Ayala-Madrigal, Melva Gutiérrez-Angulo, Anahí González-Mercado, José Miguel Moreno-Ortiz
BACKGROUND: Lynch Syndrome (LS) is an autosomal dominant inheritance disorder characterized by genetic predisposition to develop cancer, caused by pathogenic variants in the genes of the mismatch repair system. Cases are detected by implementing the Amsterdam II and the revised Bethesda criteria, which are based on family history. MAIN BODY: Patients who meet the criteria undergo posterior tests, such as germline DNA sequencing, to confirm the diagnosis. However, these criteria have poor sensitivity, as more than one-quarter of patients with LS do not meet the criteria...
October 20, 2023: Hereditary Cancer in Clinical Practice
Suguru Oka, Shinji Urakami, Kiichi Hagiwara, Michikata Hayashida, Kazushige Sakaguchi, Yuji Miura, Naoko Inoshita, Masami Arai
BACKGROUND: Prostate cancer is one of the most heritable human cancers. Lynch syndrome is an autosomal dominant inheritance caused by germline mutations in DNA mismatch repair (MMR) genes, which are also associated with an increased incidence of prostate cancer. However, prostate cancer has not been defined as a Lynch syndrome-associated cancer. The proportion of Lynch syndrome patients in primary prostate cancers is unclear. In this study, we investigated MMR protein loss using universal immunohistochemical screening to determine the prevalence of Lynch syndrome in patients with localized prostate cancer who underwent radical prostatectomy...
October 12, 2023: Hereditary Cancer in Clinical Practice
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