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https://www.readbyqxmd.com/read/28738608/a-fast-bioanalytical-method-based-on-microextraction-by-packed-sorbent-and-uplc-ms-ms-for-determining-new-psychoactive-substances-in-oral-fluid
#1
A M Ares, P Fernández, M Regenjo, A M Fernández, A M Carro, R A Lorenzo
The emergence in recent years of potentially dangerous new psychoactive substances (NPS) that are not under international control has led to the development of multi-analyte procedures for their unequivocal quantification. A fast ultra-performance liquid chromatography-tandem mass spectrometry method (UPLC-MS/MS), in combination with a sample pretreatment based on microextraction by packed sorbent (MEPS), was for the first time used in this work for the simultaneous determination of NPS in oral fluid. This matrix is an effective alternative to typical biological samples for drug control in substitution therapy programs, and also for the prevention and reduction of traffic accidents...
November 1, 2017: Talanta
https://www.readbyqxmd.com/read/28738381/cytological-criteria-to-distinguish-phyllodes-tumour-of-the-breast-from-fibroadenoma
#2
Robert M Maritz, Pamela M Michelow
OBJECTIVE: To determine whether there are significant differences between fibroadenomas and phyllodes tumours with regard to selected cytomorphological features. STUDY DESIGN: A 10-year retrospective review was performed of patients who underwent excision of a fibroadenoma or phyllodes tumour and in whom a preoperative fine-needle aspiration was performed. The following cytological criteria were assessed: number of stromal and epithelial fragments, stromal-to-epithelial ratio, stromal cellularity, stromal borders, stromal atypia, and proportion of background wavy spindled cells...
July 25, 2017: Acta Cytologica
https://www.readbyqxmd.com/read/28738326/difficulty-in-the-cytodiagnosis-of-mammary-analogue-secretory-carcinoma-survey-of-109-cytologists-with-a-case-originating-from-a-minor-salivary-gland
#3
Keita Kai, Akimichi Minesaki, Kumiko Suzuki, Mikio Monji, Mitsuo Nakamura, Hisayuki Tsugitomi, Yuichiro Kuratomi, Shinichi Aishima
BACKGROUND: Mammary analogue secretory carcinoma (MASC) of the salivary gland shows morphologic similarities and shares an immunophenotype and characteristic ETV6-NTRK3 translocation with secretory carcinoma of the breast. We present a buccal case of MASC along with a survey-based debate about its cytologic diagnosis by fine-needle aspiration (FNA). CASE: FNA of the buccal nodule of a 58-year-old Japanese man was initially performed by 3 cytologists who gave different assessments of the Papanicolaou classification (i...
July 25, 2017: Acta Cytologica
https://www.readbyqxmd.com/read/28737949/effects-of-autogenous-bone-marrow-aspirate-concentrate-on-radiographic-integration-of-femoral-condylar-osteochondral-allografts
#4
Lasun O Oladeji, James P Stannard, Cristi R Cook, Mauricio Kfuri, Brett D Crist, Matthew J Smith, James L Cook
BACKGROUND: Transplantation of fresh osteochondral allografts (OCAs) is an attractive treatment option for symptomatic articular cartilage lesions in young, healthy patients. Because the lack of OCA bone integration can be a cause of treatment failure, methods for speeding and enhancing OCA bone integration to mitigate this potential complication are highly desirable. PURPOSE: To determine if autogenous bone marrow aspirate concentrate (BMC) treatment of large femoral condylar OCAs would be associated with superior radiographic OCA bone integration compared with nontreated allografts during the critical first 6 months after surgery...
July 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28737486/-no-daddy-a-kind-of-daddy-words-used-by-donor-conceived-children-and-aspiring-parents-to-refer-to-the-sperm-donor
#5
Veerle Provoost, Jodie Bernaerdt, Hanna Van Parys, Ann Buysse, Petra De Sutter, Guido Pennings
Research has shown that the recipients of donor sperm can experience difficulties finding appropriate language to refer to the donor. Based on two qualitative analysis techniques, namely word count and empirical discourse analysis, we studied the words used to refer to the donor in heterosexual and lesbian (aspiring) parents and in donor conceived children. Findings show that the words used in these households are highly diverse and have at least four different interlinked functions: (1) to position the donor in relation to the nuclear family; (2) to safeguard the role of the social parent; (3) to clarify family structure; and (4) to present a positive picture of the donor...
July 24, 2017: Culture, Health & Sexuality
https://www.readbyqxmd.com/read/28737409/low-buffer-capacity-and-alternating-motility-along-the-human-gastrointestinal-tract-implications-for-in-vivo-dissolution-and-absorption-of-ionizable-drugs
#6
Bart Hens, Yasuhiro Tsume, Marival Bermejo, Paulo Paixao, Mark Koenigsknecht, Jason R Baker, William L Hasler, R Lionberger, Jianghong Fan, Joseph Dickens, Kerby A Shedden, Bo Wen, Jeffrey Wysocki, Raimar Löbenberg, Allen Lee, Ann F Fioritto, Gregory E Amidon, Alex Yu, Gail Benninghoff, Niloufar Salehi, Arjang Talattof, Duxin Sun, Gordon L Amidon
In this study, we determined the pH and buffer capacity of human gastrointestinal (GI) fluids (aspirated from the stomach, duodenum, proximal jejunum and mid/distal jejunum) as a function of time, from 37 healthy subjects after oral administration of an 800 mg immediate-release tablet of ibuprofen (reference listed drug; RLD) under typical prescribed bioequivalence (BE) study protocol conditions in both fasted and fed state (simulated by ingestion of a liquid meal). Simultaneously, motility was continuously monitored using water-perfused manometry...
July 24, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28737285/role-of-endoscopic-ultrasound-guided-fine-needle-aspiration-biopsy-in-the-diagnosis-of-lymphoma-of-the-pancreas-a-clinicopathological-study-of-nine-cases
#7
S Sadaf, A Loya, N Akhtar, M A Yusuf
OBJECTIVE: Endoscopic ultrasound-guided-fine needle aspiration (EUS-FNA) is an established first-line procedure in the management of solid and cystic pancreatic masses. Lymphoma is an uncommon diagnosis in EUS-FNA of the pancreas, and it is more common for such a diagnosis to be because of secondary involvement of the pancreas by a lymphoproliferative disorder than for this to represent isolated primary pancreatic lymphoma (PPL). We present the clinical, EUS and cytological features of these lesions...
July 24, 2017: Cytopathology: Official Journal of the British Society for Clinical Cytology
https://www.readbyqxmd.com/read/28736429/ultrasound-guided-genitourinary-interventions-principles-and-techniques
#8
Byung Kwan Park
Ultrasound (US) is often used to guide various interventional procedures in the genitourinary Epub ahead of print (GU) tract because it can provide real-time imaging without any radiation hazard. Moreover, US can clearly visualize the pathway of an aspiration or biopsy needle to ensure the safety of the intervention. US guidance also helps clinicians to access lesions via the transabdominal, transhepatic, transvaginal, transrectal, and transperineal routes. Hence, US-guided procedures are useful for radiologists who wish to perform GU interventions...
May 29, 2017: Ultrasonography
https://www.readbyqxmd.com/read/28736354/novel-technique-of-percutaneous-fat-graft-for-repair-of-persistent-large-pseudomeningocele
#9
Gabrielle Santangelo, Tyler Schmidt, Mithra Gonzalez, Per-Lennart Westesson, Howard Silberstein
BACKGROUND: Pseudomeningocele is an uncommon but problematic complication in lumbar spine surgery. Initial conservative measures are frequently successful but persistence requires additional management. The current surgical approach can involve a range of techniques, including blood patches, hydrogel/fibrin sealants, drains, open surgical repair of the dura or a combination of the above if symptoms persist. This report demonstrates a novel technique for repair using a percutaneous approach to deliver an autologous fat graft into the pseudomeningocele...
July 20, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28736153/in-vitro-study-of-gonadotrophin-signaling-pathways-in-human-granulosa-cells-in-relation-to-progesterone-receptor-expression
#10
Soledad Henríquez, Paulina Kohen, Alex Muñoz, Ana Godoy, Felipe Orge, Jerome F Strauss, Luigi Devoto
In humans, data on gonadotrophin-activated (LH, HCG and FSH) progesterone receptor expression and signalling pathways involved in matrix metalloproteinases (MMPs) expression presumably linked to the follicle rupture, are limited. Our hypothesis is LH, HCG and FSH increase progesterone receptor expression in granulosa cells through different signalling pathways, leading to an increased expression of ADAMTS-1 and MMP3/10, which may mediate follicular rupture through the transcription factor, HIF1A. Human granulosa cells were isolated from follicular aspirates obtained from 22 healthy women participating in our IVF programme for male-factor infertility...
June 23, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28736123/analysis-of-two-treatment-modalities-for-the-prevention-of-vomiting-after-trauma-orogastric-tube-or-anti-emetics
#11
H D Vermeijden, L P H Leenen, M van Polen, M G W Dijkgraaf, F Hietbrink
INTRODUCTION: Vomiting in the emergency department after trauma occurs frequently and might lead to aspiration of gastric content. An orogastric tube (OGT) is a way to prevent emesis. However, this is an inconvenient procedure and may actually trigger vomiting. Therefore, a change in policy was applied from preferably an OGT to the administration of anti-emetics in a selected population. The aim of this study was to analyse the prevention of vomiting in trauma patients after OGT or anti-emetics...
July 8, 2017: Injury
https://www.readbyqxmd.com/read/28735479/immunohistochemistry-in-acute-myeloid-leukemia
#12
Michael W Cruise
The World Health Organization's Classification of Tumours of Haematopoietic and Lymphoid Tissues (Swerdlow et al. (eds) WHO Classification of tumours of haematopoietic and lymphoid tissues, 4th edn. WHO Press, Lyon, 2008) created a classification scheme incorporating genetic, molecular, morphologic, and immunophenotypic characteristics. The diagnosis of acute myeloid leukemia requires equal to or greater than 20% blasts (except in some cases with specific cytogenetic abnormalities or in erythroleukemia). The diagnostic work up typically includes morphologic, cytochemical, and immunophenotypic features...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28735457/impact-of-sentinel-lymph-node-biopsy-by-ultrasound-guided-core-needle-biopsy-for-patients-with-suspicious-node-positive-breast-cancer
#13
Rikiya Nakamura, Naohito Yamamoto, Toshiko Miyaki, Makiko Itami, Nobumitsu Shina, Masayuki Ohtsuka
PURPOSE: The purpose of this study was to investigate the accuracy of preoperative diagnostic tools for axillary lymph nodes (LNs) staging of breast cancer. MATERIALS AND METHODS: A total of 2464 consecutive patients with operable breast cancer were prospectively identified at our institution between April 2012 and March 2017. Patients with suspicious axillary LN of breast cancer were assessed using preoperative ultrasound(US) or computed tomography (CT), underwent fine-needle aspiration cytology (FNA) or core needle biopsy (CNB)...
July 22, 2017: Breast Cancer: the Journal of the Japanese Breast Cancer Society
https://www.readbyqxmd.com/read/28735105/inherent-inferior-quality-of-follicular-fluid-in-repeat-breeder-heifers-as-evidenced-by-low-rates-of-in%C3%A2-vitro-production-of-bovine-embryos
#14
M Kafi, M Azari, O Chashnigir, S Gharibzadeh, Z Aghabozorgi, A Asaadi, M R Divar
The aims of the present study were to determine the effect of follicular fluid obtained from the ovulatory follicle of repeat breeder heifers on in vitro oocyte maturation (Experiment 1), fertilization (Experiment 2) and production of bovine embryos (Experiment 3). Holstein virgin heifers (VH, n = 5) with normal fertility or repeat breeder syndrome (RBH, n = 5) were used in the present study. Follicular fluid of VH and RBH was aspirated from ovulatory follicles and used as maturation medium. Bovine oocytes were aspirated from follicles of slaughterhouse ovaries and randomly allocated in three groups; in Group 1, oocytes cultured in TCM-199 supplemented with 10% heat-treated fetal calf serum and hormones (5 IU/mL hCG plus 0...
July 16, 2017: Theriogenology
https://www.readbyqxmd.com/read/28734808/-congenital-cytomegalovirus-infection-manifesting-as-neonatal-respiratory-distress-in-an-hiv-exposed-uninfected-newborn
#15
A Pham, H El Mjati, N Nathan, F Kieffer, D Mitanchez
BACKGROUND: Cytomegalovirus (CMV) is one of the most common intrauterine infections, affecting approximately 1% of all live births. There are few reports on congenital CMV infections manifesting as isolated pneumonitis. CASE REPORT: We report a case of congenital CMV with neonatal respiratory distress affecting an HIV-exposed uninfected infant. This infant required noninvasive ventilation beginning within the first 15min of life. The initial chest X-ray showed diffuse bilateral ground-glass opacifications...
July 19, 2017: Archives de Pédiatrie: Organe Officiel de la Sociéte Française de Pédiatrie
https://www.readbyqxmd.com/read/28734632/expectancy-and-achievement-gaps-in-educational-attainment-and-subsequent-adverse-health-effects-among-adolescents-with-and-without-chronic-medical-conditions
#16
Lauren E Wisk, Elissa R Weitzman
PURPOSE: While education-based disparities in health are common, the extent to which chronic conditions contribute to education gaps and to consequent health disparities is not fully understood. As such, we sought to investigate educational aspirations, expectations, and attainment among youth with and without chronic conditions and to determine if these relationships mediated subsequent disparities in health and well-being. METHODS: Longitudinal data on 3,518 youths are from the 1997-2013 Panel Study of Income Dynamics, a population-based survey...
July 19, 2017: Journal of Adolescent Health: Official Publication of the Society for Adolescent Medicine
https://www.readbyqxmd.com/read/28734572/experience-of-the-implementation-of-rapid-on-site-evaluation-in-ultrasound-guided-fine-needle-aspiration-biopsy-of-thyroid-nodules
#17
Flor Marina Medina Chamorro, José Abella Calle, Juliana Escobar Stein, Lina Merchancano, Andrés Mauricio Mendoza Briñez, Andrés Arturo Pulido Wilches
OBJECTIVE: To evaluate the effect of the implementation of the rapid on-site evaluation (ROSE) technique in ultrasound-guided fine-needle aspiration biopsy of thyroid nodules. MATERIALS AND METHODS: We conducted an observational and retrospective study approved by the Institutional Ethics Committee as an investigation without risk. Between January 2012 and December 2015, 892 ultrasound-guided fine-needle aspiration biopsy procedures were performed under ultrasound guidance...
June 27, 2017: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/28734362/discrimination-of-bacteria-by-rapid-sensing-their-metabolic-volatiles-using-an-aspiration-type-ion-mobility-spectrometer-a-ims-and-gas-chromatography-mass-spectrometry-gc-ms
#18
Ileana Andreea Ratiu, Victor Bocos-Bintintan, Adrian Patrut, Victor Hugo Moll, Matthew Turner, C L Paul Thomas
The objective of our study was to investigate whether one may quickly and reliably discriminate different microorganism strains by direct monitoring of the headspace atmosphere above their cultures. Headspace samples above a series of in vitro bacterial cultures were directly interrogated using an aspiration type ion mobility spectrometer (a-IMS), which produced distinct profiles ("fingerprints") of ion currents generated simultaneously by the detectors present inside the ion mobility cell. Data processing and analysis using principal component analysis showed net differences in the responses produced by volatiles emitted by various bacterial strains...
August 22, 2017: Analytica Chimica Acta
https://www.readbyqxmd.com/read/28733801/effect-of-follicular-flushing-on-reproductive-outcomes-in-patients-with-poor-ovarian-response-undergoing-assisted-reproductive-technology
#19
Anna L M Souza, Marcos Sampaio, Graciele B Noronha, Ludiana G R Coster, Roberta S G de Oliveira, Selmo Geber
PURPOSE: The purpose of this study is to investigate the impact of follicular flushing on the number of oocytes retrieved, oocyte maturity, fertilization rate, embryo development, and pregnancy rate of poor ovarian responders (POR). METHODS: Retrospective study of 524 cycles of 384 patients with POR submitted to assisted reproductive technology (ART) and who had follicular flushing during oocyte retrieval was used in the study. We included patients with <5 oocytes at oocyte retrieval (POR group) and matching the Bologna criteria...
July 21, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/28733257/analysis-of-fnb-vs-fna-in-diagnosis-of-pancreatic-and-abdominal-masses-a-prospective-multicenter-randomized-controlled-trial
#20
Bin Cheng, Yueming Zhang, Qian Chen, Bo Sun, Zhuang Deng, Hongbo Shan, Lizhou Dou, Jinglin Wang, Yawen Li, Xiujiang Yang, Tianan Jiang, Guoliang Xu, Guiqi Wang
BACKGROUND & AIMS: Endoscopic ultrasound (EUS)-guided fine needles with side fenestrations are used to collected aspirates for cytology analysis and biopsy samples for histologic analysis. We conducted a large, multicenter study to compare the accuracy of diagnosis via specimens collected with fine-needle biopsy (FNB) vs fine-needle aspiration (FNA) for patients with pancreatic and non-pancreatic masses. METHODS: We performed a prospective single-blind study at 5 tertiary care centers in China...
July 18, 2017: Clinical Gastroenterology and Hepatology
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