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https://www.readbyqxmd.com/read/28704197/expectant-management-in-di-chorionic-pregnancies-complicated-by-discordant-anomalous-twin
#1
Paola Algeri, Francesca M Russo, Maddalena Incerti, Sabrina Cozzolino, Francesca Pelizzoni, Davido P Bernasconi, Luca Montanelli, Luca Locatelli, Patrizia Vergani
Fetal malformations are more frequent in twins than in singletons. The aim of our study was to define the influence of a malformed twin on di-chorionic pregnancy outcomes. We performed a retrospective cohort study of di-chorionic pregnancies delivered between 2000 and 2015. Exclusion criteria were: both twins affected by fetal malformations, double intra-uterine fetal death in pregnancies without fetal malformation, selective feticide and therapeutic pregnancy termination. We compared maternal and fetal outcomes of di-chorionic pregnancies not complicated by fetal malformations with pregnancies affected by a single malformed fetus with conservative management...
July 12, 2017: Journal of Perinatal Medicine
https://www.readbyqxmd.com/read/28691603/dichorionic-twins-discordant-for-massive-perivillous-fibrinoid-deposition-report-of-a-case-and-review-of-the-literature
#2
Ona Faye-Petersen, Adrienne Sauder, Ydamis Estrella, Debra S Heller
Massive perivillous fibrinoid deposition (MFD) and maternal floor infarction (MFI) are lesions of unknown etiology associated with poor perinatal outcomes, including fetal intrauterine growth restriction and neurodevelopmental injury, high risks of pregnancy loss, and recurrence in subsequent gestations. MFI comprises massive intervillous fibrinoid deposition concentrated at the maternal floor. MFD is a similar lesion but is diffuse within the parenchyma. MFD/MFI lesions represent a spectrum of severity of cloak-like perivillous fibrinoid deposition, and there is mounting evidence that, often, they represent sequelae of immune-mediated phenomena and/or an imbalance in factors that normally maintain the fluidity of blood in the maternal space...
July 1, 2017: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28687087/a-rare-case-of-malignant-solitary-fibrous-tumor-in-prostate-with-review-of-the-literature
#3
Andrea Ronchi, Elvira La Mantia, Vincenzo Gigantino, Sisto Perdonà, Marco De Sio, Gaetano Facchini, Renato Franco, Annarosaria De Chiara
BACKGROUND: Solitary fibrous tumor is an uncommon soft tissue neoplasm with intermediate biological behavior, which rarely metastasizes. Malignant solitary fibrous tumor, although not clearly defined, is rarely described in the prostate. The present case is characterized by some peculiarities if compared with previously reported cases of prostatic malignant solitary fibrous tumor. Firstly, it does not show a homogeneous morphology: part of the neoplasm (about 50%) showed the features of a conventional solitary fibrous tumor, while the remaining part showed the features of a malignant solitary fibrous tumor...
July 7, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28647008/trajectories-of-neighborhood-cohesion-in-childhood-and-psychotic-and-depressive-symptoms-at-age-13-and-18-years
#4
Francesca Solmi, Ian Colman, Murray Weeks, Glyn Lewis, James B Kirkbride
OBJECTIVE: Exposure to adverse social environments has been associated with psychotic and depressive symptoms in adolescence in cross-sectional studies, but the longitudinal relation is unclear. This study examined whether longitudinal trajectories of exposure to adverse social environments across childhood are associated with psychotic experiences and depressive symptoms in adolescence. METHOD: Data on participants from the Avon Longitudinal Study of Parents and Children (ALSPAC) were used to estimate longitudinal trajectories of childhood exposure to neighborhood cohesion (NC), discord (ND), and stress (NS) using latent class growth modeling...
July 2017: Journal of the American Academy of Child and Adolescent Psychiatry
https://www.readbyqxmd.com/read/28633695/how-should-discordance-between-molecular-and-growth-based-assays-for-rifampicin-resistance-be-investigated
#5
S Hofmann-Thiel, H Hoffmann, D Hillemann, L Rigouts, A Van Deun, K Kranzer
Molecular tests to detect the presence of Mycobacterium tuberculosis and genetic polymorphisms in the rpoB gene conferring resistance to rifampicin (RMP) have become integral parts of tuberculosis diagnostics worldwide. These assays are often performed sequentially or in parallel to phenotypic drug susceptibility testing. Discordances between molecular and phenotypic tests invariably occur. Root causes range from pre-, post- and analytic errors to co-existence of non-tuberculous mycobacteria, silent mutations, mutations outside the 81 base-pair RMP resistance-determining region, non-canonical mutations conferring increased minimal inhibitory concentrations below the critical concentration in some phenotypic drug susceptibility tests, and heteroresistance...
July 1, 2017: International Journal of Tuberculosis and Lung Disease
https://www.readbyqxmd.com/read/28630321/how-selective-severing-by-katanin-promotes-order-in-the-plant-cortical-microtubule-array
#6
Eva E Deinum, Simon H Tindemans, Jelmer J Lindeboom, Bela M Mulder
Plant morphogenesis requires differential and often asymmetric growth. A key role in controlling anisotropic expansion of individual cells is played by the cortical microtubule array. Although highly organized, the array can nevertheless rapidly change in response to internal and external cues. Experiments have identified the microtubule-severing enzyme katanin as a central player in controlling the organizational state of the array. Katanin action is required both for normal alignment and the adaptation of array orientation to mechanical, environmental, and developmental stimuli...
July 3, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28622142/birth-weight-discordance-and-adverse-perinatal-outcomes
#7
Shayesteh Jahanfar, Kenneth Lim, Eugenia Ovideo-Joekes
OBJECTIVE: Our purpose was to examine the association between discordant growth and perinatal mortality and morbidity among twins with careful adjustment for maternal confounding factors. STUDY DESIGN: Two cohorts with and without chorionicity data were compared using generalized estimating modeling. RESULTS: Our population-based dataset consisted of 12,656 individual twins from whom 4% (452/12,656) had≥30% growth discordance. A subgroup of this population with chorionicity information had an incidence of 7...
July 26, 2017: Journal of Perinatal Medicine
https://www.readbyqxmd.com/read/28599585/transient-intertwin-membrane-separation-in-dichorionic-twin-pregnancy-associated-with-the-development-of-growth-discordance
#8
Shunji Suzuki
No abstract text is available yet for this article.
June 9, 2017: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28559764/factors-affecting-concordance-between-radiological-and-histological-findings-in-invasive-lobular-carcinoma-experience-from-a-national-cancer-centre
#9
Duaa Abu-Sinn, Donal O'Driscoll, Maurice Murphy
BACKGROUND: Invasive lobular carcinoma (ILC) is characterized by an infiltrative discohesive growth pattern, making it difficult to accurately assess both clinically and by imaging studies. Despite favourable biological characteristics, challenges remain in the surgical treatment of ILC. We aimed to evaluate radiology/histology concordance and identify histological and biological parameters on core biopsies that may predict final tumour histology and guide surgical treatment decisions...
May 2017: Breast Care
https://www.readbyqxmd.com/read/28552765/comprehensive-analysis-of-the-discordance-of-egfr-mutation-status-between-tumor-tissues-and-matched-circulating-tumor-dna-in-advanced-non-small-cell-lung-cancer
#10
Rui Wan, Zhijie Wang, J Jack Lee, Shuhang Wang, Qingqing Li, Fuchou Tang, Jin Wang, Yu Sun, Hua Bai, Di Wang, Jun Zhao, Jianchun Duan, Minglei Zhuo, Tongtong An, Meina Wu, Zhaoli Chen, Zhenlin Yang, Jie Wang
INTRODUCTION: This study aimed to address the underlying reasons and clinical significance of the discordant epidermal growth factor receptor mutation (EGFRm) status between tumor tissues (T) and circulating tumor DNA (ctDNA, C). METHODS: Three groups of EGFR tyrosine kinase inhibitors (EGFR-TKIs) treated patients whose EGFRm were determined by Amplification Refractory Mutation System (ARMS) were included (Group A: EGFRm T+/C+; Group B: EGFRm T-/C+; and Group C: EGFRm T+/C-)...
May 25, 2017: Journal of Thoracic Oncology
https://www.readbyqxmd.com/read/28551685/concordance-of-her2-immunohistochemistry-and-fluorescence-in-situ-hybridization-using-tissue-microarray-in-breast-cancer
#11
Daniela Furrer, Simon Jacob, Chantal Caron, François Sanschagrin, Louise Provencher, Caroline Diorio
AIM: Immunohistochemistry (IHC) and fluorescence in situ hybridization (FISH) are common methods for assessment of human epidermal growth factor receptor 2 (HER2) in breast cancer. MATERIALS AND METHODS: In a cohort of 498 consecutive patients with breast cancer, we examined concordance between IHC and FISH for HER2 on tissue microarray (TMA) sections. In a subset of 116 specimens, we examined HER2 concordance from the block used for diagnostics and a randomly-chosen additional block (a proxy of the core biopsy)...
June 2017: Anticancer Research
https://www.readbyqxmd.com/read/28544517/fetoscopic-laser-photocoagulation-for-amniotic-fluid-discordance-bordering-on-twin-twin-transfusion-syndrome-feasibility-perinatal-and-long-term-outcomes
#12
Katsusuke Ozawa, Rika Sugibayashi, Seiji Wada, Masahiro Sumie, Keisuke Ishii, Masahiko Nakata, Takeshi Murakoshi, Yushi Ito, Haruhiko Sago
AIM: This study investigated the feasibility and safety of fetoscopic laser photocoagulation (FLP) for amniotic fluid discordance (AFD) bordering on twin-twin transfusion syndrome (TTTS) with an absent or reverse end-diastolic velocity (AREDV) in the umbilical artery (UA), and evaluated the perinatal and long-term outcomes. METHODS: A prospective intervention study was performed between 20 + 0 and 25 + 6 weeks of gestation (UMIN000004165). AFD bordering on TTTS was defined as maximum vertical pocket (MVP) of amniotic fluid in one twin's sac ≤3 cm and amniotic fluid MVP in the other twin's sac ≥7 cm excluding TTTS...
May 19, 2017: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/28544142/discordant-phenotypes-in-monozygotic-twins-with-16p11-2-microdeletions-including-the-sh2b1-gene
#13
Lin Li, Linhuan Huang, Shaobin Lin, Yanmin Luo, Qun Fang
A 200∼240 kb SH2B1-containing deletion region on 16p11.2 is associated with early-onset obesity and developmental delay. Here, we describe monozygotic twin brothers with discordant clinical presentations. Intrauterine fetal growth restriction was present in both twins. Additionally, twin A exhibited coarctation of aorta, left ventricular noncompaction, atrial septal defect, pericardial effusion, left hydronephrosis, and moderate developmental delay, whereas twin B exhibited single umbilical artery. Chromosome microarray analysis was performed on both twins and their parents...
May 24, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28534357/comparative-study-of-receptor-discordance-between-primary-and-corresponding-metastatic-lesions-in-breast-cancer
#14
Gokmen U Erdem, Kadri Altundag, Nuriye Y Ozdemir, Suleyman Sahin, Nebi S Demirci, Fatih Karatas, Yakup Bozkaya, Aydin Aytekin, Vildan Tasdemir, Alma C Aslan, Ali R Sever, Nurullah Zengin
PURPOSE: It is well-known that tumor phenotype may change during the progression of breast cancer (BC). The purpose in this study was to compare the discordance in estrogen receptor (ER), progesterone receptor (PgR) and human epidermal growth factor receptor 2 (HER2) between primary and recurrent/metastatic lesions (RML) and also to evaluate the prognostic significance of change in tumor phenotype on survival in patients with metastatic BC. METHODS: The medical records of 6638 patients with BC from two breast centers treated between 1992 and 2015 were retrospectively analyzed...
March 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/28529880/cytologic-assessment-of-estrogen-receptor-progesterone-receptor-and-her2-status-in-metastatic-breast-carcinoma
#15
Fresia Pareja, Melissa P Murray, Ryan Des Jean, Fumiko Konno, Maria Friedlander, Oscar Lin, Marcia Edelweiss
BACKGROUND: Discordance in the receptor status between primary breast carcinomas (PBC) and corresponding metastasis is well documented. Interrogation of the receptor status of metastatic breast carcinoma (MBC) in cytology material is common practice; however, its utility has not been thoroughly validated. We studied patients with MBC, and evaluated the concordance rates of estrogen receptor (ER), progesterone receptor (PR) and human epidermal growth factor receptor 2 (HER2) between PBC surgical specimens and corresponding MBC cell blocks (CBs)...
January 2017: Journal of the American Society of Cytopathology
https://www.readbyqxmd.com/read/28484895/diagnosis-of-umbilical-cord-entanglement-in-a-monochorionic-diamniotic-twin-pregnancy-with-spontaneous-septostomy-of-the-dividing-membranes-using-dual-gate-doppler-imaging
#16
Ayumu Ito, Masahiko Nakata, Ayako Oji, Mayumi Takano, Nahomi Umemura, Sumito Nagasaki, Toshimitsu Maemura, Mineto Morita
Umbilical cord entanglement is the leading cause of fetal mortality in monoamniotic twin pregnancies and a pseudo monoamniotic environment. Published methods for detecting this complication include color Doppler and pulsed Doppler sonography; however, no method provides an absolute diagnosis. In this case, we report the diagnosis of umbilical cord entanglement using dual-gate Doppler imaging. A 35-year-old woman was referred to our hospital at 28 weeks of gestation for prenatal management because of diagnosis of a monochorionic diamniotic twin pregnancy with spontaneous septostomy of the dividing membranes...
May 8, 2017: Journal of Medical Ultrasonics
https://www.readbyqxmd.com/read/28481944/a-consistent-and-potentially-exploitable-response-during-chondrogenesis-of-mesenchymal-stem-cells-from-osteoarthritis-patients-to-the-protein-encoded-by-the-susceptibility-gene-gdf5
#17
Madhushika Ratnayake, Maria Tselepi, Robert Bloxham, Frank Plöger, Louise N Reynard, John Loughlin
Osteoarthritis (OA) is a common joint disease characterised by the focal loss of the protective cartilage layer at the ends of the bones. It is painful, disabling, multifactorial and polygenic. The growth differentiation factor 5 gene GDF5 was one of the first reported OA susceptibility signals that showed consistent association to OA, with the transcript single nucleotide polymorphism (SNP) rs143383 demonstrating association in Asians and Europeans. The functional effect of the signal is reduced expression of the gene...
2017: PloS One
https://www.readbyqxmd.com/read/28475796/real-life-clinical-practice-of-using-the-xpert-mtb-rif-assay-in-thailand
#18
Kamon Kawkitinarong, Gompol Suwanpimolkul, Pairaj Kateruttanakul, Weerawat Manosuthi, Sasiwimol Ubolyam, Jiratchaya Sophonphan, Anchalee Avihingsanon, Kiat Ruxrungtham
Background: Delayed diagnosis of tuberculosis (TB) and drug-resistant TB are major challenges of TB control in Thailand. This study assessed the practicality of the Xpert MTB/RIF assay in a real-life setting with high prevalence of human immunodeficiency virus (HIV) infection and pulmonary tuberculosis (PTB). Methods: This prospective study was conducted at 3 large tertiary care hospitals. Patients who had suspected PTB were enrolled into the study. Expectorated sputum samples were sent for staining, mycobacterial culture, and Xpert MTB/RIF...
May 15, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28460632/her2-assessment-using-quantitative-reverse-transcriptase-polymerase-chain-reaction-reliably-identifies-her2-overexpression-without-amplification-in-breast-cancer-cases
#19
Gabriele Zoppoli, Anna Garuti, Gabriella Cirmena, Ludovica Verdun di Cantogno, Cristina Botta, Maurizio Gallo, Domenico Ferraioli, Enrico Carminati, Paola Baccini, Monica Curto, Piero Fregatti, Edoardo Isnaldi, Michela Lia, Roberto Murialdo, Daniele Friedman, Anna Sapino, Alberto Ballestrero
BACKGROUND: Immunohistochemistry (IHC) and fluorescent-in situ hybridization (FISH) are standard methods to assess human epidermal growth factor receptor 2 (HER2) status in breast cancer (BC) patients. Real-time quantitative polymerase-chain-reaction (qRT-PCR) is able to detect HER2 overexpression. Here we compared FISH, IHC, quantitative PCR (qPCR), and qRT-PCR to determine the concordance rates and evaluate their relative roles in HER2 determination. PATIENTS AND METHODS: We determined HER2 status in 153 BC patients, using IHC, FISH, Q-PCR and qRT-PCR...
May 1, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/28457852/identification-of-a-novel-de-novo-nonsense-mutation-of-the-nsd1-gene-in-monozygotic-twins-discordant-for-sotos-syndrome
#20
Ji Yoon Han, In Goo Lee, Woori Jang, Soyoung Shin, Joonhong Park, Myungshin Kim
INTRODUCTION: Sotos syndrome is a congenital overgrowth disorder characterized by facial gestalt, excessively rapid growth, acromegalic features and a non-progressive cerebral disorder with intellectual disability. METHODOLOGY: The identical male twins showed somewhat different clinical, cognitive and behavioural phenotypes. Abnormal clinical manifestations including seizures, scoliosis, enlarged ventricles, and attention-deficit/hyperactivity disorder (ADHD) were found in the proband (first twin), but not in the sibling (second twin)...
July 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
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