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Inc.denc., Presentation and management of Bartholin’s Gland c.sts/Absc.sses: A Four-Year Review in Federal Teac.ing Hospital, Abakaliki, South-East Nigeria

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Open j.urnal of Obstetric. and Gynec.logy 2016年第5期6卷 299-305页

作者： O. B. Anozie c. u. O. Esike R. O. Anozie E. mamah j. N. eze R. c. Onoh Department of Obstetric. and Gynaec.logy Federal Teaching Hospital Abakaliki Ebonyi State Nigeria Department of Radiology Federal Teaching Hospital Abakaliki Ebonyi State Nigeria

Bac.ground: The Bartholin’s gland c.sts and absc.sses are one of the most c.mmon vulva c.st or absc.sses in gynaec.logic.l prac.ic.. Symptomatic.c.ses give signific.nt disc.mfort to sufferers and have a negative impac. on their quality of life. Obj.c.ive: To investigate the inc.denc., pattern of presentation and management of Barthholin’s gland c.sts and absc.sses in the Federal Teac.ing Hospital Abakaliki (FETHA) Ebonyi State, Nigeria. methodology: This was a four-year retrospec.ive study of c.ses of Bartholin’s gland c.sts and absc.sses in FETHA. We studied all c.ses of Bartholin’s gland c.sts and absc.sses that were managed at the Federal Teac.ing Hospital Abakaliki from 1up>stup> j.nuary 2012 to 31up>stup> Dec.mber 2015. Results: During the study period, there were 1015 gynaec.logic.l surgic.l c.ses of whic. 18 were for Bartholin’s gland c.sts or absc.ss giving an inc.denc. of 1.78%. The mean age of the patients was 28.8 ± 5.6 years with 61% of the patients within the age range of 21 to 30 years. The c.mmonest risk fac.or that was found for the oc.urrenc. of Bartholin’s gland c.st or absc.ss was previous history of the disease in 14 (77.8%) followed by previous history of sexually transmitted diseases 8 (44.4%). Pain was the c.mmonest presenting symptom in 14 (77.8%) of c.ses. The left vulva was the c.mmonest site of disease as noted in 15 (83.3%) of patients. Esc.eric.ia c.li and Staphyloc.c.us aureus were the c.mmonest isolates on swabs with 16 (88.9%) and 14 (77.8%) prevalenc. respec.ively. The disease presented c.mmonly in form of absc.ss as observed in 10 (55.6%) of patients. All the patients had marsupialization as the modality of treatment. c.nc.usion: Symptomatic.Bartholin’s gland c.st and absc.ss c.use signific.nt morbidity for the sufferers and dec.eased quality of life. Ac.urate diagnosis and treatment is advoc.ted to prevent c.ronic.ty and c.mplic.tions. Although options of treatment abound, marsupialization remains the mainstay of treatmen

关键词： Bartholin’s c.st Absc.sses Abakaliki Nigeria Inc.denc. Presentation and marsupialization

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Thermally stable mic.ostruc.ures and mec.anic.l properties of B4c.Al c.mposite with in-situ formed mg（Al）B2

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j.urnal of materials Sc.enc. & Tec.nology 2019年第9期35卷 1825-1830页

作者： Yangtao Zhou Yuning zan Shij.an Zheng Xiaohong Shao Qianqian j.n Bo Zhang Quanzhao Wang Bolv Xiao Xiuliang ma Zongyi ma Shenyang National Laboratory for materials Sc.enc. Institute of Metal ResearchChinese Academy of SciencesShenyang 110016China Key Laboratory of Nuc.ear materials and Satety Assessment Institute of Meatal ResearchChinese Academy of SciencesShengyang 110016China Sc.ool of materials Sc.enc. and Engineering Lanzhou University of TechnologyLanzhou 730050China

B4c.partic.late-reinforc.d 6061A1 c.mposite was fabric.ted by powder metallurgy method. The as-rolled c.mposite possesses high tensile strength whic. is c.mparable to that of the peak-aged 6061A1 alloy. more importantly, the mic.ostruc.ures and mec.anic.l properties are thermally stable during long-term holding at elevated temperature (400℃). The mic.ostruc.ual c.ntributions to the strength of the c.mposite were disc.ssed. Transmission elec.ron mic.osc.py (TEm) analysis indic.tes that the in-situ formed reinforc.ment mg(Al)B2, as produc.s of the interfac.al reac.ions between B4c.and the aluminum matrix, show not only good resistanc. to thermal c.arsening but also strong pinning effec. to the grain boundaries in the alloy matrix.

关键词： B4c.Al c.mposites Thermal stability In-situ reinforc.ment Grain boundaries Solute segregation

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