Plexus ye-choroid inzvimbo yeuropi iyo inoita cerebrospinal fluid. Mvura yakasvibhenesa ndiyo inenge yakapoteredza uropi uye musipinha. Plexus ye-choroid haisi nzvimbo yeuropi inobatanidzwa mukufunga. Choroid plexus cysts inzvimbo dzakanyorova mumvura inenge yakashata yeplexus yakadai semablister kana mabhuru. Choroid plexus cysts haisi mapundu kana kenza, uye dzichanyangarika pachavo kazhinji pakati pemasvondo makumi maviri namasere nemasere ekuberekwa.
Choroid plexus cysts, mukati uye pachavo, HAI idambudziko uye haipindirani neuropi basa.
Zvinowanikwa munenge 1% (1/100) yevose yechipiri-trimester ultrasound. Choroid plexus cysts inogona kuonekwa pane imwe kana mativi maviri europi uye nhamba, ukuru, uye chimiro checsts zvingasiyana. Choroid plexus cysts inowanikwawo muvana vane utano nevakuru. Kunyange zvazvo zvichitinhira zvinotyisa, hazvibatanidzi nekusaremera chero kupi zvako muuropi kushanda. Kunyanya kunetseka nechoroid plexus cysts ndechokuti vanogona kunge vari "nyanzvi yepamusoro" yeA Down syndrome . A "soft marker" chimwe chinhu chiri mukati uye chairo, hachizoiti kuti mwana wako ave nechinetso, asi zvinogona kuratidza kuti mwana ane chinetso chakakomba. Zvimwe zvidimbu zvakanyanyisa zveArt syndrome zvinosanganisira kuvharwa kwevakadzikadzi, kuchema kwekudzivirira kwepilvic, chikwata chemaoko, echogenic foci mumoyo, kuwedzerwa fetal nuchal translucency (nzvimbo iri kumashure kwemutsipa), uye pfupa risipo riri mumakumbo ekutanga .
Ultrasound Panguva Yokudzivirira uye Choroid Plexus Cysts
An ultrasound chirwere chakaitwa panguva yekuzvitakura. Inoshandisa mazaya akajeka kuti aone kana kufungidzira mwana mucheche paanenge aberekwa. Hapana njodzi kumwana inobatanidzwa ne ultrasound panguva yekudzivirira uye vazhinji vakadzi vachabata imwe kana maviri ultrasound, nokuda kwezvikonzero zvakasiyana-siyana, pamusoro pemutambo wavo.
Zvinonyanya kuitika kuti chirwere chechiroid plexus cysts chinowanzoitirwa iwe mwana uye iwe uchava nemwana wakakwana, ane utano. Zvisinei, vamwe vatsvakurudzi vakaona kusangana pakati pee-cysts uye chromosome dzisina kunaka sezvakaita Down syndrome uye trisomy 18 . Apo choroid plexus cysts uye / kana zvimwe zviratidzo zvinowanikwa pane ultrasound, unogona kupiwa huri kuedza zvakadai sezinga 2 kana zvakadzama ultrasound, kana amniocentesis.
Chii Chine Mukana Wokuti Mwana Ane Chirwere Chetachiona Kana Trisomy 18?
Mukana wokuti mwana akaberekwa ane kerosi yeproidus yakasara inokonzerwa nekromosome inofanirwa kunge inenge 1% kana iri pasi kana imwe yega yekuongorora ultrasound yaive yakasikwa. Izvi zvinoreva kuti pane 99% kana kuti mikana yakawanda yokuti mwana haana kromosome isina kufanana. Vamwe vanotsvakurudza vakaona njodzi dzinopfuura 1% asi vamwe havana kuona kusangana pakati pee-cysts uye chromosome dzisina kunaka. Zvakanakisisa kukurukurirana nekutsvaira kwechirwere ichi uye chiitiko chako nechiremba wako.
Kunogona Kuchinja Syndrome uye Mimwe Miviri Inogona Kuongororwa pa Ultrasound?
Aiwa. Ultrasound inobvumira chiremba kufungidzira kuberekwa uye kuongorora zvimwe zviratidzo zvingaratidza ngozi yakawedzerwa, asi ultrasound ndoga haigone kuongorora chirwere chechiromosome chakadai seA Down syndrome kana trisomy 18.
Nzira chete yekuita kuti chirwere cheA Down syndrome kana chimwe chromosome chisingaoneki pakuberekwa chirwere chemamniocentesis.
Zvakakosha kuyeuka kuti kunyange zvazvo ultrasound isingagoni kuongorora Down syndrome kana mamwe ma chromosomes anorarama, chimiro chechirwere chechirwere chinokurudzira asi hachisi chivimbo chekuti mwana ane utano hwakakwana. Iko hakusi kuedzwa kwepabonde kunogona kutarisa zvisikwa zvose zvekuberekwa kana maitiro ekutadza mupfungwa.
Chromosome Inokonzerwa Sei Nenguva Yokuberekwa?
Nzira chete yekuudza ndeye fetus ine chromosome isina kufanana yakadai seA Down syndrome kana trisomy 18 yekuita amniocentesis iyo inowanzoitwa mumutatu wechipiri.
Munguva ye amniocentesis, neta ine tsvina inowanikwa kuburikidza nemadziro emadzimai emuviri mukati mechiberekero uye chiduku chemvura inopoteredza mwana inobviswa. Iyo fetus chromosomes inodzidziswa kushandiswa kana kuedza kweFISH uye / kana kuongorora karyotype . Migumisiro inobva kuFISH kuongororwa, kana zvishoma, inowanzowanika mumazuva matatu kusvika ku4 uye migumisiro yekuzara karyotype kuongorora kunowanzoita mavhiki maviri. Migumisiro iyi yekuedzwa inopfuura 99% yakarurama pakutsvaga Down syndrome nemamwe matrisomi.
Nemhaka yokuti choroid plexus cysts haisati yaonekwa kusvikira wechipiri chetatu yekudzivirira, CVS kuedza (kwakaitwa mumwedzi wekutanga wekuita pamuviri) hakusi kusarudzwa. Kana uine chirongwa cheCVS chaiye, saka hapana chikonzero chekufunganya nezvekuwana chirosi plexus cysts pane yako ultrasound. Ichoroid plexus cyst zvino inonzi inowanzosiyana nekusiyana kwevanhu isingazivikanwe kuti inokuvadza mwana.
Kana iwe ukasarudza kuva neamniocentesis uye zvigumisiro zvikaitika, hapana kuongorora kunodiwa. Ichoroid plexus cyst zvino inonzi inowanzosiyana nekusiyana kwevanhu isingazivikanwe kuti inokuvadza mwana.
The Bottom Line
Choroid plexus cysts, iyo ichitinhira inotyisa, inowanzowana ultrasound kuwana. Kazhinji kazhinji ivo vanowanzoona kuti hazvina kukosha pakuberekwa. Kazhinji (zvishoma pane 1% yenguva), vanogona kuva chiratidzo chokuti fetus ine chinyorwa chisingaoneki zvakadai seA Down syndrome kana trisomy 18. Kana choroid plexus cysts ichionekwa pane yako ultrasound, unofanira kutaura nezvekutsvaga kwachiremba wako kana gweta rezvemajini kuti uone kuti ingozi yako chii uye kuti ukurukure dzimwe nzira dzokuedza kana zvakakodzera.
Sources:
> Newberger, D., Down Syndrome: Kuongorora kweKuzvarwa Kwepabonde uye Kuongororwa. American Family Physician. 2001.
> ACOG Komiti ye Practice Bulletins. ACOG Practice Bulletin Nhamba 77: Kuchengetedza fetal chromosomal kusagadzikana. Obstet Gynecol. 2007 Jan; 109 (1): 217-27.