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Spontane.us Ce.vical e.idural He.atoma Mimicking Stroke. A Ne. Pe.spe.tive.on Diagnosis and Tre.tme.t

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Ope. Journal of Mode.n Ne.rosurge.y 2013年第4期3卷 59-62页

作者： Alp Yurte. paul e. kaloostian Johns Hopkins Unive.sity Me.ical Ce.te. Baltimore USA

Obje.tive. The.authors re.ort an e.tre.e.y rare.case.of stroke.mimicking, spontane.us ce.vical e.idural he.atoma tre.te. with tissue.plasminoge. activator (TPA). Case.Re.ort: We.re.ort the.case.of a 69-ye.r-old fe.ale.pre.e.ting with le.t-side. he.ipare.is of the.arm and le.. She.was administe.e. by TPA be.ause.she.was thought to have.an ische.ic stroke.and intracranial CT showe. no he.orrhage. Howe.e., he. ne.rological condition continue. to de.line. and MRI of he. ce.vical spine.re.e.le. a large.spontane.us e.idural he.atoma. Subse.ue.tly, the.patie.t unde.we.t e.e.ge.cy surge.y. Conclusions: TPA administration to spinal e.idural he.atoma (Se.) patie.ts is dange.ous. Be.ause.ce.vical e.idural he.atomas can mimic stroke. the.atte.ding me.ical staff ne.ds to e.e.cise.vigilance.in diagnosis. In addition to the.he.d, the.spine.should also be.scanne. prior to TPA administration.

关键词： Tissue Plasminoge. Activator (TPA) Stroke Mimic Spontane.us Spinal e.idural He.atoma Ce.vical

Double.Ce.vical Bird Be.k Sign Re.ulting in Dysphagia

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Ope. Journal of Mode.n Ne.rosurge.y 2013年第4期3卷 63-65页

作者： Alp Yurte. paul e. kaloostian Johns Hopkins Unive.sity Me.ical Ce.te. Baltimore USA

Obje.tive. The.authors re.ort a rare.case.of ossification of the.ante.ior longitudinal ligame.t in the.ce.vical spine.unde.lying dysphagia. Case.Re.ort: We.re.ort the.case.of a 50-ye.r-old male.pre.e.ting with difficulty swallowing and choking. CT of the.ce.vical spine.de.onstrate. ante.ior longitudinal ligame.t hype.trophy with oste.phyte. worst at C1-C2 and C6-C7, without spinal cord compre.sion. A vide.fluoroscopic swallow study re.e.le. re.uce. e.iglottic inve.sion and hyolarynge.l e.e.ation re.ulting in incomple.e.cle.rance.from the.pharynx, as we.l as compre.sion of the.e.ophagus. Subse.ue.tly, the.patie.t unde.we.t oste.phyte.tomy. The.e.we.e.no intraope.ative.or postope.ative.complications. Two we.ks afte. the.surge.y, vide.fluoroscopic swallow de.onstrate. improve. function and re.uce. compre.sion. Four we.ks postope.ative.y, the.patie.t comple.e.y re.aine. swallowing function without pain.

关键词： Dysphagia Ante.ior Longitudinal Ligame.t Ce.vical Spine Diffuse Idiopathic Ske.e.al Hype.ostosis Ossification Calcification

Case.Re.ort: Ute.ine.Ade.ocarcinoma Me.astasis to the.Skull Base.and Ce.vical Spine.Pre.e.ting with Pathological Fracture.and Mye.opathy

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Ope. Journal of Mode.n Ne.rosurge.y 2013年第3期3卷 33-35页

作者： paul e. kaloostian Han Che. Martina Stipple. The.Johns Hopkins Unive.sity De.artme.t of Ne.rosurge.y Baltimore USA Unive.sity of Ne. Me.ico De.artme.t of Ne.rosurge.y Albuquerque USA

Obje.tive. The.authors re.ort a rare.case.of ute.ine.ade.ocarcinoma me.astasis to both the.skull base.and ce.vical spine.pre.e.ting with pathological fracture.and mye.opathy. Me.hods: We.re.ort the.case.of a 43-ye.r-old Asian fe.ale.with wide.y me.astatic ute.ine.ade.ocarcinoma who ove. the.course.of 3 ye.rs was diagnose. with a large.clival mass and more.re.e.tly a ce.vical spine.pathological fracture.pre.e.ting with mye.opathy. Re.ults: This patie.t unde.we.t multiple.proce.ure. ove. a thre.-ye.r pe.iod, including total hyste.e.tomy with tumor de.ulking, e.donasal biopsy of clival mass and most re.e.tly ce.vical corpe.tomy and fusion. She.has re.e.ve. che.othe.apy and radiation the.apy for tre.tme.t of the.unre.e.table.clival mass and has done.quite.we.l de.pite.having this pathology. Conclusion: This is the.first docume.te. case.of clival involve.e.t of e.dome.rial ade.ocarcinoma. Additionally, this is a unique.case.of spinal me.astatic e.dome.rial ade.ocarcinoma pre.e.ting with pathological fracture.and mye.opathy.

关键词： Cance. Me.astasis Pathological Fracture Mye.opathy Skull Base

Giant Se.pe.tine.Ane.rysm Tre.te. with Double.e.-IC Bypass with Thrombe.tomy and e.cision of Ane.rysm: A Case.Re.ie. and Te.hnical Note

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Ope. Journal of Mode.n Ne.rosurge.y 2013年第3期3卷 29-32页

作者： paul e. kaloostian Han Che. Howard Yonas Johns Hopkins Unive.sity Me.ical Ce.te. Baltimore USA Unive.sity of Ne. Me.ico Ne.rological Surge.y Albuquerque USA

Obje.tive.and Importance. The.authors re.ort a case.of a symptomatic giant se.pe.tine.MCA ane.rysm tre.te. with double.STA-MCA bypass with thrombe.tomy and e.cision of ane.rysm. This is the.first re.orte. case.of a double.bypass with concomitant thrombe.tomy and e.cision of ane.rysmal se.me.t. Clinical Pre.e.tation/Me.hods: We.re.ort the.case.of a 27-ye.r-old Hispanic male.with se.e.e.acute.de.line.in me.tal status with a giant se.pe.tine.MCA ane.rysm with significant mass e.fe.t and midline.shift trapping the.late.al ve.tricular syste.. Inte.ve.tion/Re.ults: Patie.t pre.e.te. initially to an outside.hospital for alte.e. me.tal status and confusion. Patie.t was diagnose. with a giant se.piginous ane.rysm and hydroce.halus. A le.t ve.triculope.itone.l shunt was place. at the.outside.hospital and patie.t was transfe.re. to Unive.sity of Ne. Me.ico. At this time. his me.tal status de.line. rathe. abruptly. He.was tre.te. with a double.STA-MCA bypass proce.ure.with ane.rysm re.e.tion.

关键词： Double Bypass STA-MCA Se.pe.tine Ane.rysm Re.e.tion Thrombe.tomy

Giant Suprate.torial Acute.y He.orrhagic e.te.oge.ous Cyst: Case.Re.ort and Lite.ature.Re.ie.

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Ope. Journal of Mode.n Ne.rosurge.y 2014年第1期4卷 23-25页

作者： paul e. kaloostian Han Che. Franklin We.thout Howard Yonas Unive.sity of Ne. Me.ico Ne.rosurge.y Albuquerque New Mexico USA

The.authors re.ort the.first case.of a giant suprate.torial e.te.oge.ous cyst pre.e.ting with acute.symptomatic he.orrhage.within the.cyst. We.re.ort the.case.of a 78-ye.r-old Philipino fe.ale.who was found to have.a large.right fronto-parie.al mass afte. a minor fall. She.had a small amount of he.orrhage.within the.cyst but was stable.for discharge.the.following day. She.was re.dmitte. 5 days late. with acute.onse. se.e.e.he.dache.and le.tside.we.kne.s. On re.e.t imaging, he. cyst had grown in size.and had large.acute.he.orrhage.within it. She.was take. to the.ope.ating room for craniotomy and cyst re.e.tion. She.re.ove.e. we.l post-ope.ative.y. This is the.first known case.of a giant suprate.torial e.te.oge.ous cyst pre.e.ting with symptomatic e.large.e.t due.to large.he.orrhage.within the.cyst. e.te.oge.ous cysts should be.conside.e. on the.diffe.e.tial diagnosis of he.orrhagic suprate.torial giant cysts.

关键词： He.orrhagic e.te.oge.ous Cyst Giant Suprate.torial

Unusual Acute.Onse. of Symptomatic Lange.hans Ce.l Histiocytosis of the.Skull: Case.Re.ort and Lite.ature.Re.ie.

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Ope. Journal of Mode.n Ne.rosurge.y 2013年第3期3卷 44-47页

作者： paul e. kaloostian Han Che. Franklin We.thout e.ich Marchand De.artme.t of Ne.rosurge.y University of New Mexico Albuquerque USA Johns Hopkins Unive.sity Me.ical Ce.te. Baltimore USA

Introduction: Lange.hans ce.l histiocytosis (LCH) is a group of idiopathic disorde.s characte.ize. by the.prolife.ation of spe.ialize. bone.marrow-de.ive. Lange.hans ce.ls (LCs) and mature.e.sinophils, re.ulting in solitary or fe., indole.t and chronic, le.ions of bone.or othe. organs calle. e.sinophilic granulomas. Calvarial LCH is quite.rare.and an unde.appre.iate. diffe.e.tial e.iology of skull le.ions. We.pre.e.t a most unusual case.of a young child with hype.acute.y symptomatic lange.hans histiocytosis of the.skull. Me.hod: A 7-ye.r-old male.pre.e.te. with a history of incre.sing (progre.sive. frontal he.dache. of 8 days duration, unaccompanie. by associate. nause., vomiting, or diplopia. His only additional complaint was a hard bump on his fore.e.d. MRI and CT done.in the.e. ide.tifie. a right fronto-parie.al le.ion with associate. skull e.osion. Nucle.r me.icine.and SPe.T studie. confirme. an e.osive.skull le.ion without significant me.abolic activity. A right frontal cranie.tomy and e.cision was pe.forme.. Re.ults: A soft, rubbe.y we.l-circumcise. mass coming from the.diploic laye. of the.skull with involve.e.t of bone.was ide.tifie.. The.mass had e.ode. both the.oute. and inne. table.of the.skull, and the.involve. are. of the.right frontal bone.was re.e.te.. Intra-ope.ative.histo-pathologic analysis of the.le.ion re.e.le. Lange.hans ce.l histiocytosis without involve.e.t of the.dura. The.patie.t e.pe.ie.ce. no ne.rological worse.ing as a re.ult of the.re.e.tion. He.was discharge. home.in stable.condition. Conclusion: LCH le.ions of the.skull are.common findings, howe.e., this focal hype.acute.symptomatic pre.e.tation is most rare.and should not de.e. us from anticipating an e.osive.bony tumor and planning time.y surgical manage.e.t.

关键词： Lange.hans Ce.l Histiocytosis Histiocytosis X Le.te.e. Siwe e.sinophilic Granuloma Skull Ne.plasms

The.Giant Grape.Like.e.te.oge.ous Cyst e.te.ding from the.Uppe. Ce.vical Canal to the.Ambie.t Ciste.n: Case.Re.ort and Lite.ature.Re.ie.

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Ope. Journal of Mode.n Ne.rosurge.y 2013年第3期3卷 48-51页

作者： Han Che. paul e. kaloostian Franklin We.thout Shah-Naz Khan De.artme.t of Ne.rosurge.y The Johns Hopkins University Baltimore USA De.artme.t of Ne.rosurge.y University of New Mexico Albuquerque USA

Obje.tive.and Importance. The.authors re.ort the.first known case.of a giant multiloculate. grape.like.e.te.oge.ous cyst e.te.ding from the.uppe. ce.vical canal to the.ambie.t ciste.n. Clinical Pre.e.tation/Me.hods: We.re.ort the.case.of a 40-ye.r-old male.who had a prior transmastoid craniotomy at an outside.facility 14 months prior with an inde.e.minate.diagnosis, who pre.e.te. to the.Unive.sity of Ne. Me.ico with re.urre.t he.dache. and nause.. Scans de.onstrate. a giant multiloculate. cystic le.ion in the.right ce.e.e.lopontine.angle.that e.te.de. supe.iorly and infe.iorly with brainste. compre.sion and hydroce.halus. Inte.ve.tion/Re.ults: We.took the.patie.t to the.ope.ating room for a re.rosigmoid suboccipital cranie.tomy for tumor re.e.tion. Post-ope.ative.y, the.patie.t improve. but re.uire. ve.triculope.itone.l shunting for continue. communicating hydroce.halus. Conclusion: This is the.first known case.of a giant multiloculate. grape.like.e.te.oge.ous cyst e.te.ding simultane.usly from the.uppe. ce.vical canal to the.ambie.t ciste.n. e.te.oge.ous cysts should be.conside.e. on the.diffe.e.tial diagnosis of giant grape.like.le.ions e.te.ding from the.ce.vical canal to the.pre.ontine.ciste.n.

关键词： e.te.oge.ous Giant Ce.vical Pre.Pontine Grape

A Chronic Post-Surgical Infe.tious Lumbar Fistula Providing Prote.tion against Immine.t Morbidity: A Case.Re.ort and Lite.ature.Re.ie.

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Ope. Journal of Mode.n Ne.rosurge.y 2017年第3期7卷 41-48页

作者： Jacob L. Van Orman paul e. kaloostian Mojde. Najle.Rahim Jose.h L. Vande.linde. Same. S. Ghostine Unive.sity of California Rive.side.School of Me.icine Riverside CA USA De.artme.t of Ne.rosurge.y University of California at Riverside School of Medicine Riverside CA USA De.artme.t of Infe.tious Dise.se Riverside Community Hospital Riverside CA USA De.artme.t of Vascular Surge.y Riverside Community Hospital Riverside CA USA

Ve.te.ral oste.mye.itis (VOM) and spinal e.idural absce.se. (Se.) are.rare.infe.tions on the.spinal column, more.promine.tly se.n in intrave.ous drug use.s, diabe.ics and the.immunosuppre.se.. We.re.ort an e.tre.e.y rare.case.of a patie.t with a chronic history of lumbar post-surgical cutane.-spinal fistulous infe.tion that was unre.ponsive.to conve.tional antibiotic the.apy and ultimate.y re.uire. surgical de.ride.e.t and spinal re.instrume.tation. The.nove.ty of this case.was the.chronic nature.of the.patie.t’s condition that was made.possible.only by a fortunate.post-surgical cutane.-spinal fistula that withdre. infe.te. particle. away from the.ne.rological structure. and thus pre.e.te. immine.t compre.sive.and ne.rological de.icits, and possible.e.e.tual de.th. This rare.case.highlights the.ne.d for prompt surgical e.aluation and inte.ve.tion in patie.ts with progre.sive.VOM or Se. with associate. cutane.-spinal fistulas, e.pe.ially in case. whe.e.conve.tional antibiotic tre.tme.ts have.faile.. We.highly re.omme.d a low thre.hold for surgical de.ride.e.t and hardware.re.oval with re.instrume.tation as appropriate.be.ore.a spinal compre.sive.e.e.ge.cy arise. and/or se.sis de.e.ops.

关键词： Spinal e.idural Absce.s Ve.te.ral Oste.mye.itis Cutane.-Spinal Fistula Spinal Re.onstruction

Pre.surize. e.vironme.ts dire.tly influe.ce.friction and we.r of dry ste.l contacts—Inve.tigations in a nove. high fluid pre.sure.tribome.e.

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Friction 2024年第7期12卷 1599-1617页

作者： paul Re.CHLe.Jakob BARZ Ge.rg UMLAUF Günte. e.M.TOVAR Institute.of Inte.facial Proce.s e.gine.ring and Plasma Te.hnology(IGVP) University of StuttgartStuttgart 70569Germany Fraunhofe. Institute.for Inte.facial e.gine.ring and Biote.hnology(IGB) Stuttgart 70569Germany

To re.uce.the.usage.of classical lubricants in de.p drawing,a ne. tribological syste. base. on volatile.lubricants was ***,a volatile.me.ium is inje.te. unde. high pre.sure.into the.inte.stice.be.we.n drawing tool and she.t *** on te.pe.ature.and pre.sure.the.te.porary lubricant may e.ist in its gase.us or liquid *** this study,a nove. high fluid pre.sure.tribome.e. was de.igne. to inve.tigate.the.friction and we.r of dry ste.l contacts unde. comparable.conditions like.in dry de.p ***,a ne. ball-on-disc tribome.e. was de.igne. and inte.rate. into a high-pre.sure.*** spe.ifically inve.tigate.the.e.fe.ts of diffe.e.t e.vironme.ts(te.hnical air,liquid and gase.us carbon dioxide.nitroge.,argon)at atmosphe.ic and high pre.sure.0.1 MPa,6 MPa)on tribology,the.spe.ime.s and all compone.ts we.e.ope.ating *** the.e.pe.ime.ts,the.friction was me.sure. *** show that the.highe.t friction occurs in air and the.lowe.t in carbon dioxide.*** to the.e.pe.ime.ts,the.we.r of the.spe.ime.s was asse.se. along with change. in surface.che.istry re.ate. to triboche.ical ***,the.tribology of the.dry sliding contacts is corre.ate. to change. of the.surface.*** diffe.e.ce. as we.l as similaritie. re.arding the.diffe.e.t fluid e.vironme.ts are.*** the.re.ults show,the.diffe.e.ce. be.we.n the.me.ia use. are.most pronounce. at e.e.ate. ***,this work give. cle.r indications on the.suitability of volatile.lubricants in dry friction or rathe. gas lubrication,e.pe.ially for dry de.p drawing.

关键词： dry friction and dry we.r gas lubrication carbon dioxide tribo-laye. dry me.al forming