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X L Shi, J L Xie, X G Zhou
Objective: To evaluate the clinicopathological features, diagnosis and management of primary testicular NK/T cell lymphoma (NKTCL). Methods: Six cases of primary testicular NKTCL at Beijing Friendship Hospital, Capital Medical University from January 2007 to December 2016 were retrospectively analyzed for the morphology, immunephenotype and outcome, and relevant literature was reviewed. Results: The median age of patients at diagnosis was 45 years(range 32-65 years). All patients presented with testicular masses as initial symptoms (6/6), five cases (5/6) were on the right...
March 8, 2018: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
Hong Peng, Lin Yuan, Jinsheng Zhang, Xiaodan Wu, Yang Liu, Yuhuan Liu, Roger Ruan
An insight into the adsorption behavior between hemicellulose biomass and metal ions is important to utilize hemicelluloses as adsorbent. In this study, bamboo hemicelluloses were used as adsorbent for AgNO3 in aqueous medium. The adsorption amount of AgNO3 onto hemicelluloses was determined through an inductively coupled plasma-atomic emission spectrometer (ICP-AES). The morphology and the elemental composition of the recovered hemicelluloses were characterized using atomic force microscopy (AFM) and X-ray photoelectron spectroscopy (XPS) techniques, respectively...
May 15, 2018: Carbohydrate Polymers
Meng-Chen Tsai, Chun-Chi Kuo, Ying-Zhen Su, Yen-Chuan Hsieh, Shih-Sung Chuang
Effusion-based lymphoma (EBL) is a rare but distinct entity of large B-cell lymphoma in effusion without association with human herpes virus-8 (HHV-8). Spontaneous regression after pleurocentesis has been observed; but to our knowledge, there are no reports on the morphological and molecular features of subsequent aspirations in regressing cases. Here, we report the case of a 92-year-old male with chronic obstructive pulmonary disease, who presented with right pleural effusion. He had no human immunodeficiency virus, hepatitis B virus, or hepatitis C virus infection, and CT scans revealed no mass lesion...
March 8, 2018: Diagnostic Cytopathology
Saideh Ghadimi, Giti Forghani, Gholam Abbas Kazemi
The Angouran Mine, located in northwest Iran, is the largest Zn-Pb producer in the Middle East. This study was designed to investigate the distribution, geochemistry, and mineralogy of the aerosols in the mining area and to assess their likely health impacts on the local residents. For this purpose, 36 aerosol samples were collected from 2014 to 2015 at nine sites located in mine district and upwind and downwind directions. The concentration of potentially toxic elements in the aerosols was determined using AAS instrument...
March 7, 2018: Environmental Geochemistry and Health
Dan A Oh, Hyeyun Kim, Eun Kee Bae
BACKGROUND AND PURPOSE: Electroencephalography (EEG) is often used as a screening tool for selecting pilots despite controversy regarding its contribution to aviation safety. We investigated EEG abnormalities in Korean commercial pilot applicants in order to identify the usefulness of EEG screening in this population. METHODS: We retrospectively analyzed the EEG results of 740 unselected pilot applicants who underwent waking EEG at Inha University Hospital from January 2013 to May 2017...
February 28, 2018: Journal of Clinical Neurology
Jizhen Ren, Sumei Liu, Jin'e Wan, Enhao Kang, Zhenyu Chen
OBJECTIVE: To explore the influence of hyperbaric oxygen on scar formation in rabbit ears. METHODS: A total of 20 New Zealand rabbits were selected to establish the hypertrophic scar model on the ears. The rabbits were randomly divided into control group and experimental group (7d, 14d, 21d, and 28d group according to different HBO treatment days),each experimental group received hyperbaric oxygen treatment after the operation at the same time everyday for 1 hour...
March 4, 2018: Journal of Cosmetic Dermatology
Sevcan Kurtulmus-Yilmaz, Huseyin Aktore
OBJECTIVES: To evaluate the effects of airborne-particle abrasion (APA) and Er,Cr:YSGG laser irradiation on 4-point-flexural strength, phase transformation and morphologic changes of zirconia ceramics treated at pre-sintered or post-sintered stage. METHODS: Three hundred and forty-two bar shaped zirconia specimens were milled with different sizes according to the flexural strength test (n = 10), X-ray diffraction (XRD) (n = 4) and field emission scanning electron microscope (FE-SEM) (n = 4) analyses...
March 1, 2018: Journal of Dentistry
Hiroyasu Inoue, Masaya Takemoto, Masahiro Muto, Taro Kitamura, Kentaro Yamada
Cerebrospinal fluid leakage can develop due to traffic trauma or lumbar puncture; however, in many cases, it develops spontaneously without any obvious cause. This report describes a case of cerebrospinal fluid leakage caused by bowling activity. A 57-year-old woman adjusted her bowling form, which led to the development of an orthostatic headache and double vision. Cerebrospinal fluid leakage and right abducens nerve palsy was diagnosed, which was resistant to conservative treatment. An epidural blood patch was performed, leading to an improvement in the headache and abducens nerve palsy...
February 28, 2018: Rinshō Shinkeigaku, Clinical Neurology
Sadao Suzuki, Akihiro Hosono
Nagoya City introduced free HPV vaccination in 2010 and in April 2013 the Ministry of Health, Labour and Welfare included the HPV vaccine in the National Immunization Program. However, in June 2013, the Ministry suspended proactive recommendation of the vaccine after unconfirmed reports of adverse events. To investigate any potential association between the vaccine and reported symptoms, Nagoya City conducted a questionnaire-based survey. Participants were 71,177 female residents of Nagoya City born between April 2, 1994 and April 1, 2001...
February 23, 2018: Papillomavirus Research
Majid Mahmoudzadeh, Maryam Farhadian, Sara Alijani, Fatemeh Azizi
OBJECTIVES: The aim of this study was to compare two initial arch wires, 0.014″ A-NiTi and 0.016″ Heat Activated NiTi (HANT), for amount of tooth alignment and perception of pain. MATERIALS AND METHODS: In total, 59 orthodontic patients (21 males and 38 females) from three orthodontic clinics participated in this 2-arm, parallel-group clinical trial and were randomized to 0.014″ A-NiTi (n=30) or 0.016″ HANT groups (n=29). Patient recruitment commenced in April 2016 and ended in December 2016...
February 23, 2018: International Orthodontics
Omid Mirmosayyeb, Shervin Badihian, Navid Manouchehri, Akram Kahid Basiri, Mahdi Barzegar, Nafiseh Esmaeil, Emad Fayyazi, Vahid Shaygannejad
BACKGROUND: Menstruation is suggested to affect multiple sclerosis (MS) symptoms, while the effect of MS on menstruation is not studied before. Here, we aimed to compare the pattern of menstrual cycle and its symptoms between MS patients and healthy controls. METHODS: This is a cross-sectional study conducted during 2015-2016 in MS clinic of Kashani hospital, Isfahan, Iran. We included female patients > 14 years with diagnosis of relapsing-remitting MS, and healthy subjects as the control group...
February 2, 2018: Multiple Sclerosis and related Disorders
Jonas Rudén, Göran Frenning, Tobias Bramer, Kyrre Thalberg, Göran Alderborn
The aim of this paper was to study relationships between the content of fine particles and the powder mechanics of binary adhesive mixtures and link these relationships to the blend state. Mixtures with increasing amounts of fine particles (increasing surface coverage ratios (SCR)) were prepared using Lactopress SD as carrier and micro particles of lactose as fines (2.7 µm). Indicators of unsettled bulk density, compressibility and flowability were derived and the blend state was visually examined by imaging...
February 15, 2018: International Journal of Pharmaceutics
Young-Gon Kim, Kuk-Hyun Song, Dong-Hoon Lee, Sung-Min Joo
The demand of crack tip opening displacement (CTOD) test which evaluates fracture toughness of a cracked material is very important to ensure the stability of structure under severe service environment. The validity of the CTOD test result is judged using several criterions of the specification standards. One of them is the artificially generated fatigue pre-crack length inside the specimen. For acceptable CTOD test results, fatigue pre-crack must have a reasonable sharp crack front. The propagation of fatigue crack started from the tip of the machined notch, which might have propagated irregularly due to residual stress field...
March 1, 2018: Journal of Nanoscience and Nanotechnology
Rong Liu, Ling Ran, Bei Niu, Yi Wei
H2O2 production from electron reduction of oxygen (O2) is considered to be a potential alternative to the current anthraquinone process. Herein, we reported a mesoporous catalyst with iron-carboxylate metal-organic framework (MOF) as precursors to catalyze O2 to hydrogen peroxide (H2O2). Iron-carboxylate MOF (Fe-MOF) was synthesized by the novel cetyltrimethylammonium bromide (CTAB)-citric acid (CA) double-template method. The SEM and SAXD results revealed octahedral structure of the nanoparticles, as well as the presence of mesopores in the Fe-MOF, while the molar ratio 2...
July 1, 2018: Journal of Nanoscience and Nanotechnology
Patrick Feasel, Alyaa Al-Ibraheemi, Karen Fritchie, Riyam T Zriek, Wei-Lien Wang, Elizabeth Demicco, Marcela Saeb-Lima, John R Goldblum, Brian P Rubin, Jesse K McKenney, Jennifer S Ko, Steven D Billings
While superficial (cutaneous/subcutaneous) solitary fibrous tumor (SFT) have been described, definitive diagnosis is difficult due to overlapping features with other tumors. We describe the largest series to date of superficial SFT. For inclusion, SFT had to arise in dermis or subcutis. Twenty-six cases were identified. Patients ranged from 16 to 80 years (mean, 47 y) with a marked female predominance (19 F; 7 M). Tumors involved the head (11), thigh (7), back (3), shoulder (2), upper arm (1), ankle (1), and great toe (1)...
February 12, 2018: American Journal of Surgical Pathology
Furqan A Shah, Edvin Jergéus, Akihiko Chiba, Anders Palmquist
Electron beam melting (EBM) is a 3D printing technique for the production of metal structures where complex geometries with interconnected porosities can be built. Incorporation of as little as 0.04% Zr into the CoCr alloy can significantly improve the biomechanical anchorage of constructs fabricated by EBM. Here we investigate bone material properties, including microstructure and composition, adjacent to 3D printed CoCr implants with and without addition of 0.04% Zr, after 8 weeks of healing in the rabbit femur...
February 10, 2018: Journal of Biomedical Materials Research. Part A
Qingqiang Chen, Zhihao Zhao, Qingfeng Zhu, Gaosong Wang, Kai Tao
In this study, the effects of cerium (Ce) addition on the friction and wear properties of surface welding AZ91 magnesium alloys were evaluated by pin-on-disk dry sliding friction and wear tests at normal temperature. The results show that both the friction coefficient and wear rate of surfacing magnesium alloys decreased with the decrease in load and increase in sliding speed. The surfacing AZ91 alloy with 1.5% Ce had the lowest friction coefficient and wear rate. The alloy without Ce had the worst wear resistance, mainly because it contained a lot of irregularly shaped and coarse β-Mg17Al12 phases...
February 6, 2018: Materials
Yu Gu, Wenbin Xu, Bole Zhuang, Wei Fu
Irregular expression of cytochrome P450 family 19 subfamily A member 1 (CYP19A1) is involved in the development of polycystic ovary syndrome (PCOS). Activation of the cAMP/protein kinase A (PKA)/cAMP response element-binding protein (CREB) pathway plays a crucial role in FSH regulation of CYP19A1 in human ovarian granulosa cells. A-Kinase anchor protein 95 (AKAP95) is known to confine PKA to the nucleus. However, it is unclear whether anchoring PKA to the nucleus is essential for the induction of CYP19A1 by FSH in human ovarian granulosa cells...
February 5, 2018: Reproduction, Fertility, and Development
Racha Fadlallah, Fadi El-Jardali, Nour Hemadi, Rami Z Morsi, Clara Abou Abou Samra, Ali Ahmad, Khurram Arif, Lama Hishi, Gladys Honein-AbouHaidar, Elie A Akl
BACKGROUND: Community-based health insurance (CBHI) has evolved as an alternative health financing mechanism to out of pocket payments in low- and middle-income countries (LMICs), particularly in areas where government or employer-based health insurance is minimal. This systematic review aimed to assess the barriers and facilitators to implementation, uptake and sustainability of CHBI schemes in LMICs. METHODS: We searched six electronic databases and grey literature...
January 29, 2018: International Journal for Equity in Health
Nermin Koc, Sevcan Arzu Arinkan, Nurver Ozel Ozbay, Selcuk Selcuk
Colloid carcinoma, which is a very rare tumor of the uterine cervix, is composed of an excessive amount of mucus and a relative paucity of tumoral glandular cells within them. Herein, we report a rare case of colloid carcinoma of the cervix with adenocarcinoma in situ (AIS), intestinal and usual types, and endocervical adenocarcinoma (usual type) components. We also discuss the morphological and immunohistochemical characteristics of this tumor. A 51-year-old woman was referred to our outpatient clinic with the symptom of genital bleeding lasting for 5 months...
January 2018: Journal of Pathology and Translational Medicine
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