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Genetic counseling

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https://www.readbyqxmd.com/read/29333839/-pa%C3%A3-ister-kiuian-syndrome-in-a-mexican-mestizo-patient-case-report
#1
Paola Mendelsberg-Fishbein, Constanza García-Delgado, Linda B Muñoz-Martínez, Maura Robledo-Cayetano, Leonardo J Mejía-Marín, Luis E Martínez-Barrera, Mabel Cerrillo-Hinojosa, Verónica F Moran-Barroso
Pallister-Killian syndrome is caused by a tetrasomy 12p mosaicism and is characterized by facial dysmorphism, pigmentary skin anomalies, congenital heart defects, diaphragmatic hernia, epilepsy and mental retardation. The diagnosis is complex as the cytogenetic analysis in blood is usually normal, requiring karyotyping in other tissues, therefore the clinical suspicion is critical to guide the diagnostic tests and the patient requires an interdisciplinary clinical evaluation regarding the several manifestation of the syndrome...
February 1, 2018: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/29333562/have-you-ever-googled-a-patient-or-been-friended-by-a-patient-social-media-intersects-the-practice-of-genetic-counseling
#2
NinaMarie F Omaggio, Maria J Baker, Laura J Conway
Patients and healthcare providers are becoming increasingly connected via social media, bringing new opportunities and challenges. Direct connection can occur between patients and providers using online tools such as Facebook and LinkedIn. In addition, providers can gather information about patients using a search engine such as Google, referred to as patient-targeted Googling (PTG). An online 54-item survey was used to gain information on (1) how and to what extent genetic counseling students and genetic counselors connect directly with patients via social media sites, and (2) gather information on providers using PTG...
January 15, 2018: Journal of Genetic Counseling
https://www.readbyqxmd.com/read/29333063/familial-and-ethnic-risk-in-inflammatory-bowel-disease
#3
REVIEW
Maria Pia Costa Santos, Catarina Gomes, Joana Torres
Familial aggregation in inflammatory bowel disease (IBD) has been established for several decades, reflecting shared genetic and environmental susceptibility. A positive family history remains the strongest recognizable risk factor for the development of IBD and is reported in around 8-12% of IBD patients. Crohn's disease shows a more frequent familial pattern than ulcerative colitis. The risk of developing IBD in first-degree relatives of an affected proband is increased 4- to 8-fold. The risk for twins and children born from couples who both have IBD is also substantially higher; a cumulative effect of the number of family members affected has been described, with the highest incidence being described for families with three or more affected members...
January 2018: Annals of Gastroenterology: Quarterly Publication of the Hellenic Society of Gastroenterology
https://www.readbyqxmd.com/read/29332197/identification-as-a-mutation-carrier-and-effects-on-life-according-to-experiences-of-finnish-male-brca1-2-mutation-carriers
#4
Outi Kajula, Outi Kuismin, Helvi Kyngäs
Earlier studies have explored post-identification experiences of male BRCA1/2 mutation carriers, but more detailed knowledge of both their experiences and effects of identification as a carrier on their lives is required to improve genetic counseling. Thus, the aim of this study was to acquire deeper and broader insights into their experiences. Qualitative data were collected from theme-based interviews with 31 men carrying BRCA1/2 mutations in Finland, and analyzed using inductive content analysis. Three categories of the participants' responses to identification as BRCA1/2 mutation carriers were identified (personal, offspring-related and related to other relatives), mainly concerning issues associated with cancer, hereditary transmission of their mutations, and life decisions...
January 13, 2018: Journal of Genetic Counseling
https://www.readbyqxmd.com/read/29331481/genetic-contribution-of-sun5-mutations-to-acephalic-spermatozoa-in-fujian-china
#5
Yan-Wei Sha, Xiaohui Xu, Zhi-Yong Ji, Shao-Bin Lin, Xu Wang, Ping-Ping Qiu, Yulin Zhou, Li-Bin Mei, Zhi-Ying Su, Lin Li, Ping Li
Acephalic spermatozoa is an extremely rare disease associated with primary infertility. A recent study showed that genetic alterations in the SUN5 gene lead to this disease, and SUN5 mutations could explain the disease in about half of the patients. Therefore, in the present study, to re-visit the genetic contribution of SUN5 mutations to acephalic spermatozoa, we recruited 15 unrelated affected individuals and screened the SUN5 gene for mutations by whole-exome sequencing (WES) and Sanger sequencing. Five of the 15 (33...
January 10, 2018: Gene
https://www.readbyqxmd.com/read/29330548/shox-haploinsufficiency-presenting-with-isolated-short-long-bones-in-the-second-and-third-trimester
#6
Shwetha Ramachandrappa, Abhijit Kulkarni, Hina Gandhi, Cheryl Ellis, Renata Hutt, Lesley Roberts, Rosol Hamid, Aris Papageorghiou, Sahar Mansour
Haploinsufficiency of the transcription factor short stature homeobox (SHOX) manifests as a spectrum of clinical phenotypes, ranging from disproportionate short stature and Madelung deformity to isolated short stature. Here, we describe five infants with molecularly confirmed diagnoses of SHOX haploinsufficiency who presented in utero with short long bones during routine antenatal scanning from as early as 19 weeks gestation. Other foetal growth parameters were normal. The molecular basis of SHOX haploinsufficiency was distinct in each case...
January 12, 2018: European Journal of Human Genetics: EJHG
https://www.readbyqxmd.com/read/29330336/risk-factors-for-survival-in-patients-with-von-hippel-lindau-disease
#7
Jiang-Yi Wang, Shuang-He Peng, Teng Li, Xiang-Hui Ning, Sheng-Jie Liu, Bao-An Hong, Jia-Yuan Liu, Peng-Jie Wu, Bo-Wen Zhou, Jing-Cheng Zhou, Nie-Nie Qi, Xiang Peng, Jiu-Feng Zhang, Kai-Fang Ma, Lin Cai, Kan Gong
BACKGROUND: Historically, von Hippel-Lindau (VHL) disease is characterised by a poor survival. Although genotype-phenotype correlation has been described in many studies, the risk factors for VHL survival remain unclear. This study aims to evaluate the median survival of Chinese patients with VHL disease and explore whether VHL survival is influenced by genetic and clinical factors. METHODS: In this retrospective study, we recruited 340 patients from 127 VHL families...
January 12, 2018: Journal of Medical Genetics
https://www.readbyqxmd.com/read/29330225/genetics-in-endocrinology-genetic-counseling-for-congenital-hypogonadotropic-hypogonadism-and-kallmann-syndrome-new-challenges-in-the-era-of-oligogenism-and-next-generation-sequencing
#8
Luigi Maione, Andrew A Dwyer, Bruno Francou, Anne Guiochon-Mantel, Nadine Binart, Jerome Bouligand, Jacques Young
Congenital hypogonadotropic hypogonadism (CHH) and Kallmann syndrome (KS) are rare, related diseases that prevent normal pubertal development and cause infertility in affected men and women. However, the infertility carries a good prognosis as increasing numbers of patients with CHH/KS are now able to have children through medically assisted procreation. These are genetic diseases that can be transmitted to patients' offspring. Importantly patients and their families should be informed of this risk and given genetic counseling...
January 12, 2018: European Journal of Endocrinology
https://www.readbyqxmd.com/read/29327352/ultrasound-findings-provide-clues-to-investigate-founder-mutations-expressed-as-runs-of-homozygosity-in-chromosomal-microarray-studies
#9
Hagit Daum, Israela Lerer, Ayala Frumkin, Daniel Rosenak, Nili Yanai, Shay Porat, Simcha Yagel, Vardiella Meiner
OBJECTIVES: Chromosomal microarray (CMA) analysis is effectively applied prenatally to detect copy number changes. SNP probes included in the microarray platform can detect regions of excessive homozygosity (ROH) and identical-by-descent genomic stretches. The utility of the latter as part of prenatal diagnosis is not well established. Recessive founder mutations are well recognized within distinct ethnic groups. Combining these data with prenatal sonography provides accurate focused molecular diagnoses quickly...
January 11, 2018: Prenatal Diagnosis
https://www.readbyqxmd.com/read/29326517/18p-deletion-syndrome-case-report-with-clinical-consideration-and-management
#10
Megha Goyal, Mayuri Jain, Sachin Singhal, Kirty Nandimath
18p deletion syndrome is characterized by the deletion of short arm of chromosome 18. Presentation of this syndrome is quite variable with dysmorphic features, growth deficiencies, and mental retardation with poor verbal performance. Few patients even fail to thrive when malformations involving the heart and brain are severe. In the present article, we report an isolated case of 18p deletion in a 23-year-old female who for the first time reported to the hospital for dental problems. The patient was short statured with mental retardation and craniofacial, skeletal, dental, and endocrinal abnormalities...
October 2017: Contemporary Clinical Dentistry
https://www.readbyqxmd.com/read/29325626/fragile-x-syndrome-and-fragile-x-associated-tremor-ataxia-syndrome
#11
Deborah A Hall, Elizabeth Berry-Kravis
Fragile X-associated disorders encompass several conditions, which are caused by expansion mutations in the fragile X mental retardation 1 (FMR1) gene. Fragile X syndrome is the most common inherited etiology of intellectual disability and results from a full mutation or >200 CGG repeats in FMR1. It is associated with developmental delay, autism spectrum disorder, and seizures. Fragile X-associated tremor/ataxia syndrome is a progressive neurodegenerative disease that occurs in premutation carriers of 55-200 CGG repeats in FMR1 and is characterized by kinetic tremor, gait ataxia, parkinsonism, executive dysfunction, and neuropathy...
2018: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/29325619/clinical-approach-to-the-patient-with-neurogenetic-disease
#12
Thomas D Bird, Corrie O Smith
Neurogenetic diseases are surprisingly common. This chapter reviews a systematic approach to the evaluation of a patient thought to have such a disease. The emphasis is on first recognizing potential clues to the diagnosis contained in the family history and presentation of symptoms. Ataxia, neuropathy, muscle weakness, dementia, epilepsy, and cognitive delay are all "reservoirs" of neurogenetic disease. A high index of suspicion for genetic causes and a thoughtful evaluation of simplex (sporadic) cases is often necessary...
2018: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/29324371/multiple-synchronous-adenocarcinomas-of-the-small-bowel-in-a-young-patient-a-case-report
#13
Cristián Cavalla, Federico Oppliger, Giancarlo Schiappacasse, Rodrigo Valderrama, Adriana Castiblanco, Sonia Margarit
INTRODUCTION: Adenocarcinoma of the small bowel is a rare neoplasm presented usually in elder patients as a single tumor. Its presentation as multiple tumors and in young patients is exceptional and there aren't any guidelines to orient its therapy. PRESENTATION OF CASE: We present the rare case of a sixteen-year-old woman that presents to the emergency department with an intussusception due to a small bowel tumor. The resected specimen showed multiple adenocarcinomas...
December 27, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29321671/preconception-carrier-screening-for-multiple-disorders-evaluation-of-a-screening-offer-in-a-dutch-founder-population
#14
Inge B Mathijssen, Kim C A Holtkamp, Cecile P E Ottenheim, Janneke M C van Eeten-Nijman, Phillis Lakeman, Hanne Meijers-Heijboer, Merel C van Maarle, Lidewij Henneman
Technological developments have enabled carrier screening for multiple disorders. This study evaluated experiences with a preconception carrier screening offer for four recessive disorders in a Dutch founder population. Questionnaires were completed by 182 attendees pretesting and posttesting and by 137 non-attendees. Semistructured interviews were conducted with seven of the eight carrier couples. Attendees were mainly informed about the existence of screening by friends/colleagues (49%) and family members (44%)...
January 10, 2018: European Journal of Human Genetics: EJHG
https://www.readbyqxmd.com/read/29321362/a-novel-missense-mutation-of-adar1-gene-in-a-chinese-family-leading-to-dyschromatosis-symmetrica-hereditaria-and-literature-review
#15
Shuai-Mei Liu, Meng-Xia Ni, Ming-Chao Zhang, Pei-Ran Zhu, Qiu-Yu Wu, Wei-Jun Jiang, Jing Zhang, Wei-Wei Li, Xin-Yi Xia
Dyschromatosis symmetrica hereditaria (DSH) is a rare autosomal dominant pigmentary genodermatosis, which is characterized by a mixture of hyperpigmented and hypopigmented macules on the dorsal of the hands and feet, and on the face presented like freckle. Identification of RNA-specific adenosine deaminase 1 (ADAR1) gene results in DSH. This study was mainly to explore the pathogenic mutation of ADAR1 gene and provide genetics counselling and prenatal diagnostic testing for childbearing individuals.Mutational analysis of ADAR1 gene was performed by polymerase chain reaction (PCR) and electrophoretic separation of PCR products by 1...
December 2017: Journal of Genetics
https://www.readbyqxmd.com/read/29319589/preconception-care-for-the-general-ob-gyn
#16
Jessica C Arluck, Allison C Mayhew
Preconception counseling is an important aspect of the care of reproductive-aged women. Asking each woman with each interaction her wishes regarding pregnancy allows the health care provider to investigate her history. The areas to review include environmental toxins, nutrition, genetics, substance abuse, medical conditions, infectious diseases, and psychosocial issues. Then preconception counseling can be individualized. The goal is to decrease or eliminate risks that can cause detriments to the patient or her future pregnancies...
January 9, 2018: Clinical Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29318577/uk-families-with-children-with-rare-chromosome-disorders-changing-experiences-of-diagnosis-and-counseling-2003-to-2013
#17
A Szczepura, S Wynn, B Searle, A J Khan, T Palmer, D Biggerstaff, J Elliott, M A Hultén
The latest United Kingdom (UK) strategy for rare diseases emphasises the need to empower affected populations to improve diagnosis, intervention, and coordination of care. Families who have a child with a rare chromosome disorder (RCD) are a challenging group to include. We report the findings of two large-scale surveys, undertaken by the UK RCD Support Group Unique, of these families' experiences over a ten year period. Seven stages of the patient journey were examined. From pre-testing, through diagnosis, genetics consultation, clinical follow-up and peer support...
January 10, 2018: Clinical Genetics
https://www.readbyqxmd.com/read/29318463/a-novel-splice-site-mutation-of-the-prkar1a-gene-c-440-5-g-c-in-a-chinese-family-with-carney-complex
#18
J Fu, F Lai, Y Chen, X Wan, G Wei, Y Li, H Xiao, X Cao
BACKGROUND: Carney complex (CNC) is an extremely rare, multiple endocrine neoplasia syndrome that occurs in an autosomal dominant manner. Mutations in PRKAR1A have been reported to be a common genetic cause of CNC. METHODS: In this study, we reported a Chinese pedigree of CNC that manifests mainly as spotty skin pigmentation and primary pigmented nodular adrenocortical disease. Whole blood samples of this pedigree were collected for DNA/RNA analysis. Polymerase chain reaction (PCR) and reverse-transcription polymerase chain reaction analyses were performed to amplify the 11 exons and adjacent introns of PRKAR1A...
January 9, 2018: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/29316973/kartagener-s-syndrome-a-case-report
#19
Abilo Tadesse, Hailemariam Alemu, Mezgebu Silamsaw, Yonathan Gebrewold
BACKGROUND: Kartagener's syndrome is a subset of primary ciliary dyskinesia, an autosomal recessive inherited disorder characterized by the clinical triad of chronic sinusitis, bronchiectasis, and situs inversus. Abnormal ciliary structure or function leading to impaired ciliary motility is the main pathophysiologic problem in Kartagener's syndrome. CASE PRESENTATION: A 24-year-old man from Gondar town, North-West Ethiopia, presented to University of Gondar Hospital with recurrent episodes of nasal congestion with itching and paranasal discomfort, and productive cough for more than a decade...
January 10, 2018: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/29316359/whole-exome-sequencing-diagnoses-the-first-fetal-case-of-bainbridge-ropers-syndrome-presenting-as-pontocerebellar-hypoplasia-type-1
#20
Séverine Bacrot, Charlotte Mechler, Naima Talhi, Dominique Martin-Coignard, Philippe Roth, Caroline Michot, Amale Ichkou, Olivier Alibeu, Patrick Nitschke, Sophie Thomas, Michel Vekemans, Férechté Razavi, Lucile Boutaud, Tania Attie-Bitach
BACKGROUND: Bainbridge-Ropers syndrome (BRPS) is a recently identified severe disorder characterized by failure to thrive, facial dysmorphism, and severe developmental delay, caused by de novo dominant loss of function mutation in the ASXL3 gene. CASE: We report here the first case of prenatal BRPS in a fetus presenting with arthrogryposis on ultrasound and for pontocerebellar hypoplasia type 1 (PCH1) following neuropathological examination. The diagnosis was done by whole exome sequencing that identified a novel de novo ASXL3 mutation...
January 8, 2018: Birth Defects Research
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