Plexus yokhala ndi chiwalo cha ubongo chomwe chimapanga cerebrospinal fluid. Madzi amadzimadzi amadzimadzi ndi chinthu chomwe chimazungulira ubongo ndi msana. Plexus sio mbali ya ubongo yomwe ikukhudzidwa kuganiza. Maselo otsekemera a plexus cysts ndi malo odzaza madzi mumatenda otsekemera ngati mabelters kapena mavuvu. Mafinya a plexus cysts sali zotupa kapena khansara, ndipo zidzatha pokhapokha pakati pa masabata 24 mpaka 26 a mimba.
Choroid plexus cysts, mkati mwa iwoeni, sizowona ndipo sizimasokoneza ubongo kugwira ntchito.
Amawoneka pafupifupi 1% (1/100) ya maulendo onse awiri a trimester. Mphuno ya khungu yotchedwa coroid plexus cysts imawonekera pambali imodzi kapena mbali zonse za ubongo ndipo chiwerengero, kukula kwake, ndi mawonekedwe ake zimakhala zosiyana. Maselo otsekemera a proidus amapezekanso mwa ana abwino ndi akuluakulu. Ngakhale kuti zikumveka zoopsa, sizigwirizana ndi kuwonongeka kulikonse mu ubongo. Chodetsa nkhaŵa chachikulu ndi choroid plexus cysts ndikuti akhoza kukhala "zolemba zofewa" za Down syndrome . "Cholembera chofewa" ndi chinthu chomwe sichidzachititsa mwana wanu kukhala ndi vuto, koma zingasonyeze kuti mwanayo ali ndi vuto lalikulu kwambiri. Zolemba zina zofewa za matenda a Down syndrome zimaphatikizapo kuchepa kwa femur, kuchepetsa kupweteka kwapakhosi, chifuwa cha echogenic, mtima wochuluka, fetal nuchal translucency (dera kumbuyo kwa khosi), ndi fupa lakumtunda lomwe silikupezeka m'miyezi itatu yoyamba .
Ultrasound Pa Mimba ndi Plexus Cysts
An ultrasound ndiyeso yomwe imachitidwa panthawi yoyembekezera. Amagwiritsa ntchito mafunde omveka kuti aone mwanayo ali ndi mimba. Palibe chiopsezo kwa mwanayo chokhudzana ndi ultrasound panthawi yomwe ali ndi mimba ndipo amayi ambiri amakhala ndi amodzi kapena awiri omwe amawombera, pa zifukwa zosiyanasiyana, panthawi yomwe ali ndi mimba.
Zingakhale zovuta kuti tizilombo toyambitsa matenda tizilombo toyambitsa matenda ndi zachilendo kwa inu ndipo mukhala ndi mwana wathanzi, wathanzi. Komabe, ofufuza ena awona mgwirizano pakati pa ziphuphuzi ndi chromosome zolakwika monga Down syndrome ndi trisomy 18 . Pamene choroid plexus cysts ndi / kapena zina zizindikiro zimapezeka pa ultrasound, mukhoza kupatsidwa mayeso monga mlingo 2 kapena zambiri ultrasound, kapena amniocentesis.
Kodi Chingatheke Bwanji Kuti Mwana Ali ndi Matenda Ovutika Kwambiri Kapena Trisomy 18?
Mpata kuti mwana wakhanda ali ndi kadosi ya plexus (kstrosi) yomwe ili ndi vuto la chromosome imakhala ngati pafupifupi 1% kapena kupatula ngati mayeso onse a ultrasound anali achilendo. Izi zikutanthauza kuti pali mwayi wa 99% kapena wamkulu kuti mwanayo alibe vuto la chromosome. Ofufuza ena awonetsa kuti ndi oposa 1% koma ena sanaone kuti palibenso mgwirizano pakati pa ziphuphu ndi chromosome. Ndi bwino kukambirana za ultrasound kupeza ndi danga lanu ndi dokotala wanu.
Kodi Syndrome ndi Matenda Ena Angathe Kupezeka pa Ultrasound?
Ayi. Ultrasound imalola dokotala kulingalira mwana wakhanda ndi kupeza zizindikiro zina zomwe zingasonyeze kuti zingakhale zoopsa, koma ultrasound yokha silingapangitse munthu kudziwa kuti chromosome ndi yosaoneka ngati Down syndrome kapena trisomy 18.
Njira yokhayo yodziwira matenda a Down syndrome kapena chromosome yodabwitsa kwambiri pa mimba ndiyeso la amniocentesis.
Ndikofunika kukumbukira kuti ngakhale kuti ultrasound silingathe kudziwa matenda a Down syndrome kapena ma chromosomes osalongosoka, yachilendo ultrasound ndi yolimbikitsa koma sizitsimikizo kuti mwanayo ali ndi thanzi labwino. Palibe mayesero omwe angathenso kubereka omwe angatulutse zolakwika zonse za kubadwa kapena mitundu yolekerera.
Kodi Chromosome Zosaoneka Zilikudziwika Bwanji Pakati pa Mimba?
Njira yokhayo yomwe mungauzire ndi mwana wamwamuna ali ndi vuto la chromosome monga Down syndrome kapena trisomy 18 ndi kupanga amniocenteis yomwe nthawi zambiri imachitika mu trimester yachiwiri.
Pakati pa amniocenteis, singano yopyapyala imalowetsedwa kudzera mu khoma la mimba mwa mayi m'mimba ndipo chiwerengero cha madzi omwe amachizungulira mwanayo amachotsedwa. Mazira a fetus amawerengedwa pogwiritsa ntchito mayeso a FISH ndi / kapena mayeso a karyotype . Zotsatira za kuyesa kwa FISH, ngakhale zochepa, zimapezeka masiku 3 mpaka 4 ndipo zotsatira za kafukufuku wathunthu amatenga masabata awiri. Zotsatira za kuyesedwazi ndi zowonjezera 99% pozindikira matenda otsika ndi zina zotero.
Chifukwa chakuti proidus cysts sizimawoneke mpaka mchigawo chachiwiri cha mimba, kuyesedwa kwa CVS (kochitidwa m'miyezi itatu yoyamba ya mimba) sizomwe mungachite. Ngati muli ndi CVS yachibadwa, ndiye kuti palibe chifukwa chodera nkhawa za kupeza kwa choroid plexus cysts wanu ultrasound. Pulosi ya plexus cyst imaonedwa kuti ndi yachibadwa yosiyana pakati pa mwana yemwe sadziwika kuti ndi yovulaza kwa mwanayo.
Ngati mwasankha kukhala ndi amniocenteis ndipo zotsatira zake ndi zachilendo, palibe kuyesedwa kofunikira. Pulosi ya plexus cyst imaonedwa kuti ndi yachibadwa yosiyana pakati pa mwana yemwe sadziwika kuti ndi yovulaza kwa mwanayo.
Mfundo Yofunika Kwambiri
Choroid plexus cysts, pamene ikuwopsya, ndiwowonjezereka wamba wa ultrasound. Kawirikawiri zimakhala zachilendo kupeza kuti palibe chofunikira kwa mimba. Kawirikawiri (osachepera 1% nthawi), akhoza kukhala chizindikiro kuti mwanayo ali ndi vuto lopanda chromosome monga Down syndrome kapena trisomy 18. Ngati choroids plexus cysts ikuwonekera pa ultrasound, muyenera kukambirana izi ndi dokotala wanu kapena mlangizi wa majini kuti awone chomwe chiri chowopsya chanu ndi kukambirana njira zina zoyesera ngati kuli kotheka.
Zotsatira:
> Newberger, D., Down Syndrome: Kuyezetsa Kachilombo ka Msinkhu ndi Kusanthula. American Family Physician. 2001.
> Komiti ya ACOG ya Practice Bulletins. Kulemba kwa ACOG Bulletin No. 77: Kuwonetsa zovuta zowonongeka kwa fetus. Choletsa Gynecol. 2007 Jan; 109 (1): 217-27.