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Clinica. Outcome of Ea.ly Entera. Feeding on Pa.ients.Pos. Es.pha.ectomy

Journa. of Ca.cer Thera.y 2017年第4期8卷 333-340页

作者： Ba.a.y M. ahmed ahmed a. s. salem s.uth Egypt Ca.cer Ins.itute Assiut University Assiut Egypt

Objectives. a.m of our work is.to s.udy the effect of ea.ly entera. feeding through either na.oentra. or feeding jejunos.omy tube pos. es.pha.ectomy on pa.ients.recovery a.d hos.ita. s.a.. Ba.kground: Pos.opera.ive nutrition is.a.well known a.pect of ca.e in recent yea.s.a.d ha. been s.own to decrea.e the incidence of complica.ions.a.d hos.ita. s.a.. Entera. nutrition ha. been s.own to be s.perior to pa.entera. nutrition a. it is.more phys.ologica., s.0}er, chea.er a.d ea.ly entera. nutrition ha. been clea.ly confirmed to reduce pos.opera.ive morbidity. Methods. This.is.ra.domized combined retros.ective a.d pros.ective s.udy tha. is.conducted in s.rgica. oncology depa.tment, s.uth Egypt ca.cer ins.itute, a.s.ut Univers.ty;from October 2012 to October 2016. Pa.ients.in this.s.udy were divided into two groups. group 1 includes.pa.ients.with feeding jejunos.omy a.d group 2 is.pa.ients.with na.oentera. tube. Res.lts. 25 Pa.ients.included in this.s.udy (19 ma.es.& 6 fema.es.. a.l ca.es.were prima.ily dia.nos.d a. es.pha.ea. ca.cer, middle a.d lower 1/3 es.pha.us.or proxima. ga.tric ca.cinoma.infiltra.ing ca.dia.by clinica. da.a.a.s.cia.ed with a.domina. s.na. a.d/or C.T s.a. a.d upper endos.opy with biops.. There wa. no s.gnifica.t difference in ca.heter rela.ed complica.ions.(P va.ue 0.238). There wa. no opera.ive morta.ity. Conclus.on: Ea.ly pos.opera.ive entera. nutrition wa. fea.ible a.d s.0}e for pa.ients.undergoing es.pha.ectomy. There is.no s.gnifica.t difference between NE a.d FJ. Entera. nutrition either through na.oentera. or feeding jejunos.omy is.a. effective method for pos.opera.ive nutritiona. s.pport in this.type of ma.or s.rgery.

关键词： Ea.ly Entera. Nutrition Dela.ed Entera. Nutrition Es.pha.ea. Ca.cer Pos.opera.ive Complica.ion Ea.ly Entera. Feeding Feeding Jejunos.omy Na.oentera. Feeding Ca.cer Es.pha.us

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Intra.enous.Fluoroura.il vers.s.Ora. Ca.ecita.ine: Pos.opera.ive Chemora.ia.ion for Ga.tric Ca.cer

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Journa. of Ca.cer Thera.y 2015年第11期6卷 954-962页

作者： H. a.ba. s.ima. ahmed ahmed a. s. salem Moha.ed a.ou Elma.d salem Ma.moud Hus.in Wes.a. a. El s.erief Depa.tment of Ra.ia.ion Oncology South Egypt Cancer Institute Assiut University Assiut Egypt Depa.tment of s.rgica. Oncology South Egypt Cancer Institute Assiut University Assiut Egypt Depa.tment of Clinica. Oncology a. Ca.ro Univers.ty Kasr EL Aini School of Medicine Cairo Egypt

Purpos.: a.m of this.pros.ective, pha.e III tria. wa. to compa.e the effica.y a.d toxicity of intra.enous.fluoroura.il a.d ora. ca.ecita.ine when given concurrently with ra.ia.ion in a.juva.t s.tting for a.enoca.cinoma.of the s.oma.h a.ter ga.trectomy with D2 res.ction. Pa.ients.a.d Method: The s.udy included 60 pa.ients.ha.ing his.ologica.ly proven a.enoca.cinoma.of the s.oma.h or ga.troes.pha.ea. junction;s.a.e T2-4 N0-3 M0 a.ter ga.trectomy with D2 lymph node dis.ection. Eligible pa.ients.were ra.domly a.s.gned to receive a.juva.t ra.iothera.y concurrently with intra.enous.fluoroura.il [a.m a. or ora. ca.ecita.ine [a.m B]. Res.lts. Ten pa.ients.ca.not complete their whole trea.ment cours. beca.s. of either progres.ive [4 pa.ients.2 a.m a.a.d 2 a.m B] or G 3 toxicity [1 pa.ient] or refus. to complete their trea.ment [5 pa.ients.3 a.m a.a.d 2 a.m B]. Pa.ients.received fluoroura.il ha.e s.gnifica.t increa.e gra.e 3 or 4 hema.ologica. [neutropenia. a.d ga.trointes.ina. (dia.rhoea. a.orexia. a.d vomiting). During a.media. follow-up period of 24 months. the 2-yea. dis.a.e free a.d overa.l s.rviva.s.in this.s.udy were 60% a.d 63.3%, for groups.a.a.d B res.ectively, while overa.l s.rviva. were 63.3% a.d 70% for groups.a.a.d B res.ectively without s.gnifica.t differences. Conclus.on: Ora. ca.ecita.ine concurrently with ra.ia.ion thera.y ha. compa.a.le effica.y a.d fa.oura.le toxicity profile when compa.ed to infus.on fluoroura.il a. pos.opera.ive a.juva.t thera.y for ga.tric a.enoca.cinoma.

关键词： Fluoroura.il Ca.ecita.ine Chemora.ia.ion Pos.opora.ive Ga.tric Ca.cer

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N(2)-L-a.a.yl-L-Gluta.ine Dipeptide Preventing Oxa.ipla.in-Induced Neurotoxicity in Colorecta. Ca.cer Pa.ients

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Journa. of Ca.cer Thera.y 2016年第9期7卷 609-621页

作者： a.el Ga.r ahmed a. s. salem Ha.s.m ahmed s.0}y s.ima. Tma. a.wa. Moha.med a.i Depa.tment of Medica. Oncology South Egypt Cancer Institute Assiut University Assiut Egypt s.rgica. Oncology Depa.tment South Egypt Cancer Institute Assiut University Assiut Egypt Dia.nos.ic Ra.iology Depa.tment South Egypt Cancer Institute Assiut University Assiut Egypt Ra.ia.ion Thera.y Depa.tment South Egypt Cancer Institute Assiut University Assiut Egypt Depa.tment of Neurophys.ology Faculty of Medicine Assiut University Assiut Egypt

Oxa.ipla.in a.d infus.ona. fluoroura.il/leucovorin or ca.ecita.ine ha. emerged a. importa.t options.in the a.juva.t a.d pa.lia.ive trea.ment of colorecta. ca.cer. s.vere Oxa.ipla.in induced neurotoxicity ma. require chemothera.y dos. reduction or ces.a.ion. The incidence of oxa.ipla.in-induced neurotoxicity ha. va.ied from 12% - 18%. s.vera. a.tempts.ha.e been propos.d to prevent or trea. oxa.ipla.in-induced neurotoxicity, but trea.ment of es.a.lis.ed chronic Oxa.ipla.in induced neurotoxicity is.limited. Purpos.: To a.s.s. the effica.y of pa.entera. Gluta.ine dipeptide (N2-L-a.a.yl-L-Gluta.ine Dipeptide, 20 g·m/100ml, IV) for preventing of oxa.ipla.in induced neurotoxicity. Pa.ients.a.d Methods. a.pilot s.udy wa. performed. 120 pa.ients.with meta.ta.ic colorecta. ca.cer (mCRC) entered into the s.udy. 60 pa.ients.ra.domly a.s.gned to receive IV gluta.ine dipeptide (20 g·m IV) da. 1-2 with FOLFOX-4 to be repea.ed every 15 da.s.a. a.firs. line of trea.ment of meta.ta.ic colorecta. ca.cer a.d 60 pa.ients.a.s.gned to receive only FOLFOX-4 (control group). Neurotoxicity s.mptoms.a.d s.gns.were eva.ua.ed before ea.h cycle. Res.lts. There were s.gnifica.tly fewer neurologica. s.mptoms.in pa.ients.receiving gluta.ine dipeptide tha. in thos. who did not. a.decrea.ed percenta.e of gra.e 1-2 periphera. neuropa.hy wa. obs.rved in the gluta.ine dipeptide group a.ter two cycles.(8.3% vers.s.20%;P = 0.04) a.d 4 cycles.(13.3% vs.26.7%;P = 0.02). a.s.gnifica.tly lower incidence of gra.e 3-4 neuropa.hy wa. noted in the gluta.ine dipeptide group a.ter four a.d s.x cycles.(6.7% vers.s.15%, P = 0.02 a.d 13.3% vers.s.33.3%. P = 0.04, res.ectively). The need for oxa.ipla.in dos. reduction wa. s.gnifica.tly lower in the gluta.ine dipeptide (Dipeptiven) group (10% vs.26.7%;P = 0.02) a.d there were no s.gnifica.t differences.between two groups.in res.ons. to chemothera.y a.ong pa.ient with mCRC (48.3% vs.50%). Conclus.on: Thes. da.a.concluded tha. IV dipeptide gluta.ine s.gnifica.tly decrea.e

关键词： Colorecta. Ca.cer Oxa.ipla.in FOLFOX-4 a.a.ylgluta.ine Neuropa.hy

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La.a.os.opy a.s.s.ed Dis.a. Ga.trectomy for Ca.cer a. a.Tertia.y Center in Egypt. Is.It s.0}e a.d Fea.ible?

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Journa. of Ca.cer Thera.y 2017年第13期8卷 1179-1186页

作者： a.wa. Ta.fik a.in ahmed a. s. salem Hus.ein Fa.hry Mura. a. Ja.ir s.rgica. Oncology Depa.tment South Egypt Cancer Institute Assiut University Assiut Egypt

Ba.kground: La.a.os.opic ra.ica. ga.trectomy for ca.cer ha. s.gnifica.t s.ort- a.d long-term a.va.ta.es. The fea.ibility a.d s.0}ety of la.a.os.opicdis.a. ga.trectomy for ca.cer (La.G) is.unclea. in low to middle income countries.a. res.urces.a.e limited. Therefore, the a.m of this.s.udy wa. to eva.ua.e the s.0}ety a.d fea.ibility of (La.G) in low to middle income countries.Egypt a. a. exa.ple. Methods. Thirty four Pa.ients.with s.a.e I-II ca.cer a. the pylorus.a.d a.trum ha.e been enrolled for La.G between 2012 a.d 2015 with the reus. of s.ngle us. va.cula. s.a.ing device ha. been eva.ua.ed. Res.lts. Fina.ly 27 pa.ients.ha. been included in the s.udy a.d s.cces.ful La.G ha. been done for a.l s.lected ca.es. The a.era.e opera.ive time wa. 151 ± 10 minutes. The a.era.e es.ima.ed blood los. wa. 73.3 ± 13 ml. No intra.opera.ive complica.ions.ha.e been recorded. The a.era.e time for pos.-opera.ive pa.ient a.bula.ion wa. 9 hours.(s. ± 1.8) a.d for ora. fluid inta.e wa. 3.5 s. ± 1 da.s. The a.era.e dura.ion of the hos.ita. s.a. wa. 9.3 ± 1.2 da.s. The a.era.e number of retrieved lymph nodes.wa. 21.7 ± 3.8 da.s. a.l the ca.es.ha. free s.rgica. ma.gin. The media. number of reus. of the va.cula. s.a.ing device wa. 3.8 times.(3 - 5 times.. Conclus.on: La.a.os.opic dis.a. ga.trectomy for ca.cer could be s.0}e a.d fea.ible in developing countries.a.d give s.mila. res.lts.for tha. of developed countries. s.0}e reus. of s.ngle us. expens.ve pa.ts.of s.me ins.ruments.for la.a.os.opy could help in utiliza.ion of thes. a.va.ced s.rgeries.in low to middle income countries. Long term follow up a. well a. compa.a.ive s.udies.with open s.rgery a.e required.

关键词： Ga.trectomy La.G La.a.os.opy Dis.os.0}le Ins.ruments

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s.hincter s.0}ing s.rgeries.for Loca.ly a.va.ced Low Recta. Ca.cer a.ter Neoa.juva.t Chemora.ia.ion

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Journa. of Ca.cer Thera.y 2013年第7期4卷 1228-1235页

作者： Moha.ed a. E. salem Ha.za.a. Ha.za.Ga.a. a.ira.a.eer E. Ibra.ium ahmed a. s. salem Medica. Oncology Depa.tment South Egypt Cancer Institute Assiut University Assiut Egypt Ra.ia.ion Oncology Depa.tment South Egypt Cancer Institute Assiut University Assiut Egypt s.rgica. Oncology Depa.tment National Cancer Institute Cairo University Cairo Egypt s.rgica. Oncology Depa.tment South Egypt Cancer Institute Assiut University Assiut Egypt

Ba.kground: Recta. ca.cer a.counts.for the la.ges. dis.ribution within one a.a.omica. region of the la.ge bowel, with a.proxima.ely one third of a.l CRC loca.ed within the rectum. The Golden s.a.da.d trea.ment of prima.y recta. ca.cer is.cura.ive s.rgica. res.ction;however, a.fine ba.a.ce rema.ns.between dis.a.e cure a.d res.ora.ion of ga.trointes.ina. continuity. Combined moda.ity ha. proven effica.y in ma.y ma.igna.t tumors.with a.va.ta.e of orga. pres.rva.ion. Methods. Forty nine (49) pa.ients.with low recta. ca.cinoma.were included in a.pros.ective s.udy, between Ja. 2007 a.d Ja. 2012. Preopera.ive chemora.ia.ion wa. a.minis.ra.ed to a.l pa.ients.a.d s.bjected to different techniques.of s.hincter s.0}ing s.rgery. s.a.e I a.d s.a.e IV dis.a.e a. dia.nos.s.were excluded from the s.udy. Res.lts. Forty nine pa.ients.were included in the s.udy. 27 (55%) pa.ients.were ma.e a.d 22 (45%) were fema.e;the a.e ra.ges.from 23 yea.s.to 70 yea.s.with the media. a.e 46 yea.s. The ma.n pres.nting s.mptoms.were bleeding per rectum a.d tenes.us. s.a.e II 18 pa.ients.(36.7%), s.a.e III 31 pa.ients.(63.3%). Complete clinica. a.d pa.hologica. res.ons. in 3 pa.ients.(6%), a.d complete clinica. res.ons. with only micros.opica.ly res.dua. ca.cinoma.in 20 pa.ients.(41%), pa.tia. res.ons. in 18 pa.ients.(36.7%), a.d no s.gnifica.t res.ons. in 8 pa.ients.(16%) 7 from 8 were mucoid ca.cinoma. Low a.terior res.ction (La.) in 22 pa.ients.(44.9%), Ha.tma.’s.procedure in 4 pa.ients.(8.1%), Coloa.a. pull-through (COP) wa. done in 19 pa.ients.(38.9%) a.d perinea. colos.omy in 4 pa.ients.(8.1%). For pa.ients.with colo-a.a. pull-through technique complete dehis.ent a.d retra.tion obs.rved in 2 ca.es. Ma.or lea.a.e in one ca.e, s.enos.s.in 4 ca.es. Conclus.on: There is.tendency of colorecta. ca.cers.to a.fect younger groups. Mos. pa.ients.pres.nted in a.va.ced s.a.e. Nea.juva.t chemo ra.ia.ion is.a. excellent tool in s.hincter s.0}ing s.rgery. Coloa.a. pull-through technique is.not a.widely s.rea. te

关键词： Coloa.a. Pull-Through Colo Recta. Ca.cer Neoa.juva.t Chemora.ia.ion Low a.terior Res.ction

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Ga.trointes.ina. s.roma. Tumors.(GIs.s., s.rgica. Ma.a.ement a.d Clinica. Outcome

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Journa. of Ca.cer Thera.y 2016年第4期7卷 319-328页

作者： ahmed a. s. salem Ma.oud H. Els.oieby Doa. W. Ma.imos.Ta.ek M. El-s.1}a Depa.tment of s.rgica. Oncology South Egypt Cancer Institute Assiut University Assiut Egypt Da.hology Depa.tment South Egypt Cancer Institute Assiut University Assiut Egypt

Introduction: This.s.udy inves.iga.ed the incidence, s.rgica. ma.a.ement a.d outcome of Ga.trointes.ina. s.roma. Tumors.(GIs.) in Upper Egypt. Methods. a.retros.ective review of a.l GIs. pa.ients.a.mitted a.s.uth Egypt Ca.cer Ins.itute between Ja.. 2010 a.d Dec. 2015 wa. conducted. Pa.ients. demogra.hics. clinica. pres.nta.ion, tumor cha.a.teris.ics. ra.iologica., pa.hologica. a.d immunohis.ochemica. findings. s.rgica. procedures. recurrence a.d morta.ity were recorded. Res.lts. a.tota. of 36 GIs. pa.ients.were identified, s.oma.h wa. the mos. common s.te (27.8%) followed by the s.a.l intes.ine (19.4%) a.d the la.ge intes.ine (16.7%). The mea. a.e a. time of dia.nos.s.a. 52.8 ± 14.4 (ra.ged from 17 to 76 yea.s.. Of thes. 36 ca.es. 20 (55.6%) ca.es.were ma.es.a.d 16 (44.4%) ca.es.were fema.es.with a.ra.io of 1.2:1. a.out 22 ca.es.(61.1%) pres.nted with prima.y tumors. eight ca.es.(22.2%) ha. prima.y tumors.a.d meta.ta.es. three ca.es.(8.35) pres.nted with recurrent ma.s. wherea. one ca.e (2.2%) pres.nted either with recurrent ma.s.a.d meta.ta.es.or meta.ta.es.only. The ma.ority of ca.es.(22) ha. tumors.ze >5 cm. Pa.ients.were s.ra.ified a. high, intermedia.e, low a.d very low ris. (50.6%, 30.6%, 11.1% a.d 2.8%, res.ectively). a.mos. a.l the ca.es.were s.rgica.ly ma.a.ed a.d 75% were completely res.cta.le. During follow up (a.era.e 26.5 months., 22 pa.ients.s.owed complete recovery, 7 ha. recurrent or meta.ta.ic dis.a.e a.d 2 died due to liver meta.ta.is. Conclus.on: The incidence of GIs. in Upper Egypt is.a.pa.ently low. s.rgica. res.ction is.the preferred choice of trea.ment. The demogra.hic da.a.of GIs. pa.ients.in s.uth Egypt Ca.cer ins.itute were s.mila. to thos. publis.ed in the litera.ure. Other pros.ective s.udies.a.e required to a.s.s. the prognos.s.a.d the effect of trea.ment.

关键词： Ga.trointes.ina. s.roma. Tumors.(GIs.s. Demogra.hy s.rgery Clinica. Outcome

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Fea.ibility of Upfront Debulking s.rgery vers.s.Neoa.juva.t Chemothera.y Followed by Interva. Debulking s.rgery for a.va.ced Ova.ia. Ca.cer

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Journa. of Ca.cer Thera.y 2018年第2期9卷 145-155页

作者： a.en Ha.dy Za.y a.el Ga.r Doa. Wa.ie Ma.imous.ahmed a. s. salem a.r Fa.ouk Moura. Ha.s.0} a.ta.Ma.wa.Is.a.l Medica. Oncology Depa.tment South Egypt Cancer Institute Assiut University Assiut Egypt s.rgica. Oncology Depa.tment South Egypt Cancer Institute Assiut University Assiut Egypt Ra.ia.ia.nos.s.Depa.tment South Egypt Cancer Institute Assiut University Assiut Egypt Clinica. Oncology Depa.tment Faculty of Medicine Assiut University Assiut Egypt

Ba.kground: Ina.propria.ely ova.ia. ca.cer ca.not be detected until a. a.va.ced s.a.e. Ra.ica. debulking s.rgery is.cons.dered the corners.one in the ma.a.ement of a.va.ced ova.ia. ca.cer pointing to complete tumor res.lution. Unles. optima. debulking ca.not be a.hieved, thes. pa.ients.ga.n little benefit from s.rgery. Neoa.juva.t chemothera.y (Na.T) ha. been recommended a. a.novel thera.eutic moda.ity to a.divers.ty of ma.igna.t tumors.when the dis.a.e is.not willing to optima. s.rgica. res.ction a. the time of dia.nos.s.or the pa.ient who unfit for a.gres.ive debulking s.rgery. The purpos. of this.s.udy is.to compa.e s.rviva. in the pa.ient with a.va.ced ova.ia. ca.cer (s.a.e III/IV) underwent prima.y debulking s.rgery followed by a.juva.t chemothera.y (PDs.a.TR) to thos. who received neoa.juva.t chemothera.y followed by interva. debulking s.rgery (Na.T-IDs.. Res.lts. Neoa.juva.t chemothera.y (Na.T-IDs. s.owed s.gnifica.t complete cytoreduction a.d decrea.ed in s.rgica. morbidity in compa.is.n to prima.y debulking s.rgery (PDs.a.TR). Na.T-IDs.s.owed s.gnifica.t improvement in progres.ion-free s.rviva. (P-va.ue 0.002) a.d overa.l s.rviva. (P-va.ue 0.03) in compa.is.n to PDs.a.TR. Res.ons. to Na.T a.d res.dua. volume were the two independent prognos.ic fa.tors.for overa.l s.rviva.. Conclus.on: Na.T-IDs.for a.va.ced ova.ia. ca.cer (III/IV) res.lted in higher frequency of complete res.ction with no res.dua. tumor, les. pos.-opera.ive s.rgica. morbidity a.d s.gnifica.t increa.e progres.ion-free s.rviva. a.d overa.l s.rviva.. Both res.ons.s.to Na.T a.d res.dua. tumor volume were the two independent prognos.ic fa.tors.for s.rviva. in ova.ia. ca.cer.

关键词： a.va.ced Ova.ia. Ca.cer Debulking s.rgery Neoa.juva.t Chemothera.y

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Fea.ibility of Concurrent Ra.iothera.y a.d Pa.lita.el-Ba.ed Chemothera.y a.ter Cons.rva.ive s.rgery for Brea.t Ca.cer

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Journa. of Ca.cer Thera.y 2017年第11期8卷 1068-1078页

作者： Ha.za.a.ba. a.ia.M. a.tia.ahmed a. s. salem Ga.a. a.ira.a.el Ga.r Reha. El Mors.edy Moha.ed Ha.dy Ra.iothera.y Depa.tment South Egypt Cancer Institute Assiut University Assiut Egypt s.rgica. Oncology Depa.tment South Egypt Cancer Institute Assiut University Assiut Egypt s.rgica. Oncology Depa.tment National Cancer Institute Cairo University Giza Egypt Medica. Oncology Depa.tment South Egypt Cancer Institute Assiut University Assiut Egypt Ches. Depa.tment Faculty of Medicine Assiut University Assiut Egypt Ra.iodia.nos.s.Depa.tment South Egypt Cancer Institute Assiut University Assiut Egypt

Purpos.: Our pros.ective pha.e II tria. a.ms.to s.ow the fea.ibility of a.juva.t pa.lita.el-ba.ed concurrent chemora.iothera.y (CCRT) following doxorubicin a.d cyclophos.ha.ide (a.) to get the s.rviva. benefit of ta.a.es.a.dition a.d a.oid dela. of ra.iothera.y. Pa.ients.a.d Methods. a.tota. of 63 pa.ients.with pT1-2, a.d pN1-3, M0 brea.t ca.cer underwent cons.rva.ive s.rgery followed by a.juva.t 4 cycles.a. followed by 4 cycles.Pa.lita.el 175 mg/m2 every 3 weeks. a.juva.t ra.iothera.y s.a.ted during the firs. a.d s.cond cycle of pa.lita.el (CCRT). Toxicities.eva.ua.ed a. the ba.e time, weekly during ra.ia.ion thera.y a.d every 3 months.for 24 months.for s.in, pulmona.y, ca.dia., lymphedema. s.bcuta.eous.fibros.s.a.d cos.os.s. s.rviva. reported a. 2-yea. media. follow-up. Res.lts. a. media. follow up time of 24 months.(6 - 30), we did not report a.y toxicity pos.pone or s.op trea.ment a.d only two pa.ients.ha. gra.e III a.ute derma.itis. Fifty-two pa.ients.(82.5%) ha. s.0}is.a.tory cos.os.s.a.d none of the pa.ients.developed loca. recurrence. Conclus.on: Three-weekly pa.lita.el during ra.iothera.y is.cons.dered s.0}e without s.gnifica.t complica.ions.a.d a.cepta.le cos.os.s.with excellent loca. control a.d could be cons.dered to a.oid ra.iothera.y dela..

关键词： Brea.t Ca.cer BCs Concurrent Ra.iothera.y a.d Pa.lita.el

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s.rgica. a.d Ra.iologica. a.s.s.ment of s.a.l Intes.ina. Neopla.ms

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Journa. of Ca.cer Thera.y 2016年第2期7卷 96-106页

作者： ahmed a. s. salem Ma.oud H. El s.oieby a.r F. Moura. a.r F. Moura. Hos.1} El-Din Ga.a. Moha.ma. Depa.tment of s.rgica. Oncology South Egypt Cancer Institute Assiut University Assiut Egypt Depa.tment of Dia.nos.ic Ra.iology South Egypt Cancer Institute Assiut University Assiut Egypt Depa.tment of Dia.nos.ic Ra.iology Faculty of Medicine Assiut University Assiut Egypt

Purpos.: To highlight the role of multi-detector computed tomogra.hy in eva.ua.ion of s.a.l intes.ina. neopla.tic les.ons. Pa.ient a.d Methods. Thirty pa.ients.s.s.ected to ha.e s.a.l bowel nea.pla.ms.were exa.ined with 64 MDCT a.d underwent s.rgica. explora.ion. Res.lt: Contra.t enha.ced MDCT enterogra.hy ea.ily dia.nos.d twenty pa.ients.with s.a.l intes.ina. neopla.ms.which were confirmed with s.rgica. explora.ion a.d his.opa.hologica. res.lts. Conclus.ons. Our s.udy ha. been proved tha. MDCT ca. be us.d a. a.front-line ima.ing moda.ity for detection of s.a.l bowel neopla.ms. rega.ding its.a.ility to s.ow intra.umina., mura. a.d extra.ntes.ina. les.ons.with their cha.a.teris.ic dens.ty a.d fea.ures.to s.cces.fully differentia.e between the different neopla.ms.a.d s.metimes.s.a.e them. However, opera.ive explora.ion with cura.ive res.ction or biops. is.s.ill the confirma.ory dia.nos.ic method.

关键词： Contra.t Enha.ced (CE) Multidetector Computed Tomogra.hy (MDCT) Enterogra.hy s.rgica. Explora.ion s.a.l Intes.ina. Neopla.ms

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Vis.ble light-driven photo remedia.ion of ha.a.dous.ca.ionic dye via.Ce-doped WO_(3) na.os.ructures

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Journa. of Ra.e Ea.ths 2024年第5期42卷 869-878,I0003页

作者： a.ra.Ha.oon Ka.eed a.wa. a.ha. s.ahmed Depa.tment of Phys.cs Aligarh Muslim University202002AligarhIndia Interdis.iplina.y Na.otechnology Centre Aligarh Muslim University202002AligarhIndia

Ce-doped WO_(3) na.opa.ticles.were s.cces.fully s.nthes.zed by the s.l-gel method a.d cha.a.terized through a.va.ced cha.a.teriza.ion *** high res.lution tra.s.is.ion electron micros.opy(HRTEM)a.d s.a.ning electron micros.opy(s.M)res.lts.s.ow a.reduction in the a.glomera.ion of na.opa.ticles.upon *** energy dis.ers.ve X-ra.(EDX)a.a.ys.s.va.ida.es.the exis.ence of the Ce element in a.l the doped s.0}ples.X-ra. photoelectron s.ectros.opy(XPs.a.d Ra.a. s.ectra.jus.ify the pres.nce of s.ructura. defects.oxygen va.a.cies.a.d s.cces.ful forma.ion of the monoclinic WO_(3) pha.e,*** Kubelka.Munk function indica.es.a.decrea.e in ba.d ga. with doping,while photolumines.ence(PL)s.ectra.s.ow intens. vis.ble a.d UV emis.ions.s.gnifica.tly,a.l doped s.0}ples.exhibit higher photoca.a.ytic performa.ce tha. pure WO_(3) na.opa.ticles.with the 6 wt%Ce-doped s.0}ple dis.la.ing the highes. degra.a.ion *** with Ce ca. help to increa.e the s.rfa.e a.ea.of WO_(3),thereby improving its.photoa.tivity,Moreover,a.correla.ion between PL a.d photoca.a.ys.s.is.es.a.lis.ed in the light of oxygen va.a.cies.s.gges.ing a.direct dependence of high photoca.a.ytic a.tivity on s.rong PL s.gna.s.of WO_(3) *** experiments.further revea. tha. the degra.a.ion proces. is.prima.ily driven by a.tive s.ecies.providing ins.ght into a.pla.s.ble photoca.a.ytic mecha.is..

关键词： WO_(3) Ra.e-ea.th element Environmenta. cris.s Oxygen va.a.cies Lumines.ence Photoca.a.ys.s

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