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https://www.readbyqxmd.com/read/28822892/angiolymphoid-hyperplasia-with-eosinophilia-involving-the-common-digital-artery-of-the-hand-a-case-report-and-classification-of-upper-limb-lesions
#1
Mohammad M Al-Qattan, Maha Arafah, Felwa Al-Marshad
INTRODUCTION: Angiolymphoid hyperplasia with eosinophilia (ALHE) is a rare benign reactive inflammatory lesion. The usual presentation is a single or multiple skin nodules of the head and neck. Involvement of the hand is very rare and there have been no comprehensive reviews on ALHE of the upper limb. In this paper, we report on a case involving the common digital artery of the hand. We also review the literature and offer two classification systems for upper limb lesions: One according to the primary structure involved, and the other according to the presentation with either single or multiple lesions...
August 10, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28753473/reduction-mammaplasty-in-patients-with-history-of-breast-cancer-the-incidence-of-occult-cancer-and-high-risk-lesions
#2
Päivi A Merkkola-von Schantz, Tiina A Jahkola, Leena A Krogerus, Susanna M C Kauhanen
INTRODUCTION: Contralateral reduction mammaplasty is regularly included in the treatment of breast cancer patients. We analyzed the incidence of occult breast cancer and high-risk lesions in reduction mammaplasty specimens of women with previous breast cancer. We also analyzed if timing of reduction mammaplasty in relation to oncological treatment influenced the incidence of abnormal findings, and compared if patients with abnormal contralateral histopathology differed from the study population in terms of demographics...
July 25, 2017: Breast: Official Journal of the European Society of Mastology
https://www.readbyqxmd.com/read/28750354/assessing-tumor-extent-on-contrast-enhanced-spectral-mammography-versus-full-field-digital-mammography-and-ultrasound
#3
Bhavika K Patel, Sandra Alheli Garza, Sarah Eversman, Yania Lopez-Alvarez, Heidi Kosiorek, Barbara A Pockaj
OBJECTIVES: To compare breast cancer size measurements on full-field digital mammography (FFDM), contrast-enhanced spectral mammography (CEDM), and ultrasound (US), with histologic tumor size used as the reference standard. Material and methods The HIPAA complaint, IRB approved study comprised 88 women with newly diagnosed breast cancer who underwent FFDM and CEDM;74 also had US. Breast density, histologic subtype, and maximum tumor measurements were recorded. RESULTS: Pearson correlation coefficients for FFDM, US, and CEDM vs histopathology were 0...
July 12, 2017: Clinical Imaging
https://www.readbyqxmd.com/read/28685709/alane-adsorption-and-dissociation-on-the-si-001-surface
#4
Richard Smith, David R Bowler
We used DFT to study the energetics of the decomposition of alane, AlH3, on the Si(001) surface, as the acceptor complement to PH3. Alane forms a dative bond with the raised atoms of silicon surface dimers, via the Si atom lone pair. We calculated the energies of various structures along the pathway of successive dehydrogenation events following adsorption: AlH2, AlH and Al, finding a gradual, significant decrease in energy. For each stage, we analyse the structure and bonding, and present simulated STM images of the lowest energy structures...
July 7, 2017: Journal of Physics. Condensed Matter: An Institute of Physics Journal
https://www.readbyqxmd.com/read/28660684/antioxidative-effect-of-bha-in-soya-bean-lecithin-based-extender-containing-glycerol-or-dmso-on-freezing-capacity-of-goat-semen
#5
M Rahmatzadeh, H Kohram, A Zare Shahneh, A Seifi-Jamadi, E Ahmad
The aim of this study was to evaluate the effects of butylated hydroxyanisole (0 or 4 mM) along with different concentrations (5 or 7%) of glycerol (G) and dimethyl sulphoxide (DMSO) as cryoprotectant (CPAs) on freezability of goat semen. Semen was collected from four bucks (3-4 years) twice a week for five weeks. The pooled ejaculates were diluted with extender containing two different concentrations of G or DMSO in combination with BHA. Afterwards, the diluted samples were loaded into 0.25 ml straws and frozen using a standard protocol...
June 28, 2017: Reproduction in Domestic Animals, Zuchthygiene
https://www.readbyqxmd.com/read/28648642/hpi-amf-inhibition-halts-the-development-of-the-aggressive-phenotype-of-breast-cancer-stem-cells
#6
Juan Carlos Gallardo-Pérez, Alhelí Adán-Ladrón de Guevara, Alvaro Marín-Hernández, Rafael Moreno-Sánchez, Sara Rodríguez-Enríquez
Cancer stem cells are responsible for tumor recurrence and metastasis. A new highly reproducible procedure for human breast cancer MCF-7 stem cells (BCSC) isolation and selection was developed by using a combination of hypoxia/hypoglycemia plus taxol and adriamycin for 24h. The BCSC enriched fraction (i) expressed (2-15 times) the typical stemness protein markers CD44+, ALDH1A3 and Oct 3/4; (ii) increased its clonogenicity index (20-times), invasiveness profile (>70%), migration capacity (100%) and ability to form mammospheres, compared to its non-metastatic MCF-7 counterpart...
June 23, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28633735/angiolymphoid-hyperplasia-with-eosinophilia-of-the-nail-unit
#7
P Halteh, C Magro, S R Lipner
Angiolymphoid hyperplasia with eosinophilia (ALHE) is a distinctive lymphocyte rich vasoformative proliferation comprising epithelioid-appearing endothelial cells with partially canalized capillary vessels in a lymphohistiocytic and eosinophil rich environment. ALHE presents clinically as single or multiple pink-brown dome-shaped papules or nodules, most commonly on the ear and peri-auricular area, followed by the face, and scalp. ALHE involving the subungual unit is rare with only 5 previously reported cases and all involved the underlying bone...
June 15, 2017: Dermatology Online Journal
https://www.readbyqxmd.com/read/28603878/the-reactivity-of-nhc-alane-adducts-towards-n-heterocyclic-carbenes-and-cyclic-alkyl-amino-carbenes-ring-expansion-ring-opening-and-al-h-bond-activation
#8
Udo Radius, Heidi Schneider, Andreas Hock, Rüdiger Bertermann
The synthesis of the mono NHC alane adducts of the type (NHC)·AlH3 (NHC = Me2Im 1, Me2ImMe 2, iPr2Im 3 and 3-d3, iPr2ImMe 4, Dipp2Im 10) and (NHC)·AliBu2H (NHC = iPr2Im 11, Dipp2Im 12) as well as their reactivity towards different types of carbenes is presented. While the mono NHC adducts remain stable at elevated temperatures, ring expansion reaction occurs when (iPr2Im)·AlH3 3 is reacted with a second equivalent of the carbene iPr2Im to give (iPr2Im)·AlH(RER-iPr2ImH2) 6. In 6, {(iPr2Im}AlH} is inserted into the NHC ring...
June 12, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28599265/house-dust-endotoxin-and-peripheral-leukocyte-counts-results-from-two-large-epidemiologic-studies
#9
(no author information available yet)
BACKGROUND: The peripheral leukocyte count is a biomarker of inflammation and is associated with human all-cause mortality. Although causes of acute leukocytosis are well-described, chronic environmental determinants of leukocyte number are less well understood. OBJECTIVES: We investigated the relationship between house dust endotoxin concentration and peripheral leukocyte counts in human subjects. METHODS: The endotoxin-leukocyte relationship was evaluated by linear regression in the National Health and Nutrition Examination Survey (NHANES) 2005-2006 () and the Agricultural Lung Health Study (ALHS; )...
May 31, 2017: Environmental Health Perspectives
https://www.readbyqxmd.com/read/28589368/reassessing-risk-models-for-atypical-hyperplasia-age-may-not-matter
#10
REVIEW
Emanuele Mazzola, Suzanne B Coopey, Molly Griffin, Fernanda Polubriaginof, Julliette M Buckley, Giovanni Parmigiani, Judy E Garber, Barbara L Smith, Michele A Gadd, Michelle C Specht, Anthony Guidi, Kevin S Hughes
PURPOSE: The aim of this study was to investigate the influence of age at diagnosis of atypical hyperplasia ("atypia", ductal [ADH], lobular [ALH], or severe ADH) on the risk of developing subsequent invasive breast cancer or ductal carcinoma in situ (DCIS). METHODS: Using standard survival analysis methods, we retrospectively analyzed 1353 women not treated with chemoprevention among a cohort of 2370 women diagnosed with atypical hyperplasia to determine the risk relationship between age at diagnosis and subsequent breast cancer...
June 6, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28511526/angiolymphoid-hyperplasia-with-eosinophilia-involving-the-occipital-artery-case-report-and-review-of-literature
#11
Laia Fite-Trepat, Miriam Martos-Fernandez, Margarita Alberola-Ferranti, Alba De Pablo-Garcia-Cuenca, Coro Bescosatin
Angiolymphoid Hyperplasia with Eosinophilia (ALHE) is an atypical vascular tumour occurring primarily in the head and neck area, which must be distinguished from Kimura's disease. The lesions can appear as single or multiple grouped intradermal papules or subcutaneous nodules. We report a rare case of ALHE in a 57-year-old female with a large lesion of three nodules involving the right occipital artery which had a long term evolution and we treated it by surgical excision. The definitive histopathological diagnosis was ALHE...
March 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28510589/establishment-of-a-combination-scoring-method-for-diagnosis-of-ocular-adnexal-lymphoproliferative-disease
#12
Xiao-Li Qu, Yan Hei, Li Kang, Xin-Ji Yang, Yi Wang, Xiao-Zhong Lu, Li-Hua Xiao, Guang Yang
Lymphoproliferative diseases (LPDs) of the ocular adnexa encompass the majority of orbital diseases and include reactive follicular hyperplasia (RFH), atypical lymphoid hyperplasia (ALH), and mucosa-associated lymphoid tissue lymphoma (MALToma). Lymphoid follicles (LFs) are usually observed during the histological examination of LPDs. Currently, because there is a lack of specific clinical signs and diagnostic immunohistochemical biomarkers, it is difficult for pathologists to distinguish MALToma from ocular RFH and ALH, which makes the clinical management of these conditions difficult...
2017: PloS One
https://www.readbyqxmd.com/read/28428286/a-genetic-analysis-of-the-caenorhabditis-elegans-detoxification-response
#13
Tetsunari Fukushige, Harold E Smith, Johji Miwa, Michael W Krause, John A Hanover
Oxidative damage contributes to human diseases of aging including diabetes, cancer, and cardiovascular disorders. Reactive oxygen species resulting from xenobiotic and endogenous metabolites are sensed by a poorly understood process, triggering a cascade of regulatory factors and leading to the activation of the transcription factor Nrf2 (Nuclear factor-erythroid-related factor 2, SKN-1 in Caenorhabditis elegans). Nrf2/SKN-1 activation promotes the induction of the phase II detoxification system that serves to limit oxidative stress...
June 2017: Genetics
https://www.readbyqxmd.com/read/28416376/seminal-plasma-removal-by-density-gradient-centrifugation-is-superior-for-goat-sperm-preservation-compared-with-classical-sperm-washing
#14
J Santiago-Moreno, M C Esteso, C Castaño, A Toledano-Díaz, J A Delgadillo, A López-Sebastián
Seminal plasma removal is routine in goat sperm cryopreservation protocols. The classical washing procedure designed to accomplish this usually leaves the pellet resulting from use of this procedure contaminated with dead sperm, debris, and cells other than sperm. This contamination negatively affects viability of sperm after cryopreservation. The present research was conducted to compare the effect on chilled and frozen-thawed goat sperm of the classical washing method to that of a selective washing method involving density gradient centrifugation (DGC)...
April 9, 2017: Animal Reproduction Science
https://www.readbyqxmd.com/read/28280973/determinants-of-curvature-constant-w-of-the-power-duration-relationship-under-normoxia-and-hypoxia-the-effect-of-pre-exercise-alkalosis
#15
RANDOMIZED CONTROLLED TRIAL
Sanjoy K Deb, Lewis A Gough, S Andy Sparks, Lars R McNaughton
PURPOSE: This study investigated the effect of induced alkalosis on the curvature constant (W') of the power-duration relationship under normoxic and hypoxic conditions. METHODS: Eleven trained cyclists (mean ± SD) Age: 32 ± 7.2 years; body mass (bm): 77.0 ± 9.2 kg; VO2peak: 59.2 ± 6.8 ml·kg(-1)·min(-1) completed seven laboratory visits which involved the determination of individual time to peak alkalosis following sodium bicarbonate (NaHCO3) ingestion, an environment specific ramp test (e...
May 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28280835/ring-opening-of-cyclic-ethers-by-aluminum-hydridotriphenylborate
#16
Debabrata Mukherjee, Hassan Osseili, Khai-Nghi Truong, Thomas P Spaniol, Jun Okuda
Molecular aluminum hydride [(L)AlH2] (L = Me3TACD) reacted with 2 equiv. of BPh3 in THF or THP to give the cationic alkoxides [(L)Al(OR)][HBPh3] (R = nBu, nPent) by facile ring-opening of the cyclic ethers. The Cα-O bond cleavage which involves the isolable intermediate [(L)AlH][HBPh3] is a result of hydride transfer to Cα from [HBPh3](-).
March 10, 2017: Chemical Communications: Chem Comm
https://www.readbyqxmd.com/read/28215454/sperm-quality-and-oxidative-status-as-affected-by-homogenization-of-liquid-stored-boar-semen-diluted-in-short-and-long-term-extenders
#17
Mariana B Menegat, Ana Paula G Mellagi, Rafael C Bortolin, Tila A Menezes, Amanda R Vargas, Mari Lourdes Bernardi, Ivo Wentz, Daniel P Gelain, José Cláudio F Moreira, Fernando P Bortolozzo
Homogenization of diluted boar semen during storage has for a long time been regarded as beneficial. Recent studies indicated an adverse effect of homogenization on sperm quality for yet unknown reasons. This study aimed to verify the effect of homogenization on sperm parameters and to elucidate the impact of oxidative stress. Twenty-one normospermic ejaculates (21 boars) were diluted with Androstar(®) Plus (AND) and Beltsville Thawing Solution (BTS). Semen doses were submitted to no-homogenization (NoHom) or twice-a-day manual homogenization (2xHom) during storage at 17°C for 168h...
April 2017: Animal Reproduction Science
https://www.readbyqxmd.com/read/28040460/kimura-s-disease-in-a-50-year-old-tunisian-man
#18
M Drouillard, M Steve, T Ranoarivony, J-B Souraud
INTRODUCTION: Kimura's disease is an uncommon disease of unknown aetiology affecting men in their thirties from Southeast Asia. The authors report a case of Kimura's disease in a 50-year-old Tunisian man that was diagnosed after surgery. CASE REPORT: This patient had two 2-cm diameter chronic nodular lesions over the right mandible with no local inflammation and no other clinical findings of systemic disease. Histopathological examination showed germinal centre hyperplasia, eosinophilic micro-abscesses and hyperplasia of postcapillary venules, suggestive of Kimura's disease, which was confirmed by the laboratory work-up: elevated total IgE (519g/L), and eosinophilia (580/mm(3))...
December 28, 2016: European Annals of Otorhinolaryngology, Head and Neck Diseases
https://www.readbyqxmd.com/read/28035701/three-unusual-histopathological-presentations-of-angiolymphoid-hyperplasia-with-eosinophilia
#19
Angel Fernandez-Flores, David S Cassarino
Angiolymphoid hyperplasia with eosinophilia (ALHE) is a poorly understood benign vasculoproliferative disorder. Histopathologically, the lesions are composed of a dermal or subcutaneous proliferation of blood vessels of varying sizes with plump and bland endothelial cells, which often show vacuolization and protrusion of the cytoplasm into the lumen. The vascular proliferation is admixed with a diffuse inflammatory infiltrate composed of lymphocytes, eosinophils and mast cells. Lymphoid follicles with germinal centers can sometimes be seen...
March 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/28012719/cysteamine-supplementation-revealed-detrimental-effect-on-cryosurvival-of-buffalo-sperm-based-on-computer-assisted-semen-analysis-and-oxidative-parameters
#20
Dheer Singh Swami, Pradeep Kumar, R K Malik, Monika Saini, Dharmendra Kumar, M H Jan
The aim of this study was to investigate the effect of addition of cysteamine to the semen extender on post-thaw semen quality. A total of 30 ejaculates were collected from six bulls. Each ejaculate was divided into five equal parts and diluted to final concentration of 80 million sperms/mL using Optixcell(®)(IMV, France) semen extender supplemented with different concentrations of cysteamine (0, 0.75, 1.25, 2.5 and 5mM) and cryopreserved. In the frozen-thawed samples, the VAP, VSL, VCL ALH and sperm motility of control samples was greater (P<0...
February 2017: Animal Reproduction Science
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