Isisu sikaBarrett

nguJason Wasserman MD PhD FRCPC
Mashi 1, 2023


Iyini i-esophagus ka-Barrett?

I-Barrett's esophagus yisimo lapho izicubu ezimboza indawo yangaphakathi ye- isophagus izinguquko ukuze zibukeke njengezicubu ezivame ukutholakala ngaphakathi emathunjini amancane. I-Barrett's esophagus ithathwa njengesimo esiyingozi ngoba ingashintsha isikhathi esengeziwe ibe uhlobo lomdlavuza womminzo olubizwa ngokuthi. i-adenocarcinoma.

Yini ebangela umphimbo kaBarrett?

I-Barrett's esophagus ibangelwa isifo se-acid reflux sesikhathi eside (esaziwa nangokuthi isifo se-reflux ye-gastroesophageal noma i-"GERD"). Lapho i-asidi esuka esiswini ingena emmizweni ilimaza ama-squamous cell ezivala ubuso obungaphakathi bomphimbo. Izazi zezifo zichaza lokhu ngokuthi i-reflux esophagitis. Ngokuhamba kwesikhathi, amaseli e-squamous alimele athathelwa indawo amaseli ngokuvamile atholakala engxenyeni yesistimu yokugaya ebizwa ngokuthi ithumbu elincane. Lawa maseli ohlobo lwamathumbu enzelwe ukuvikela izicubu kuma-asidi anamandla esiswini. Ushintsho ukusuka kumaseli e-squamous ukuya kumaseli ohlobo lwamathumbu kubizwa i-metaplasia yamathumbu.

Kwenziwa kanjani ukuxilongwa kwe-Barrett's esophagus?

I-Barrett's esophagus cishe njalo ixilongwa kuqala ku-a i-biopsy. I-biopsy ngokuvamile yenziwa ngenxa yokuthi umuntu unezimpawu ezihambisana nesifo se-acid reflux. Ukuxilongwa kungase futhi kwenziwe ngemva kokususwa kwesiqephu esikhulu sethishu ngenqubo ebizwa ngokuthi i-endoscopic mucosal resection.

Ingabe i-esophagus ka-Barrett ibukeka kanjani ngaphansi kwe-microscope?

Uma ihlolwa ngaphansi kwe-microscope, izicubu zibonisa amangqamuzana ohlobo lwamathumbu amboze ingaphakathi lomminzo. Ikakhulukazi, udokotela wakho wezifo uzobheka uhlobo olukhethekile lweseli olubizwa ngokuthi i-goblet cell ukuze kuxilongwe umminzo ka-Barrett. Ama-goblet cells angamaseli amakhulu ayindilinga abonakala eluhlaza okwesibhakabhaka uma ehlolwa ngesibonakhulu ngoba agcwele into ebizwa ngokuthi mucin. Lezi zinhlobo zamaseli zivame ukutholakala emathunjini amancane kodwa azitholakali ku-esophagus evamile, enempilo.

I-Barrett's esophagus
I-Barrett's esophagus. I-metaplasia yamathumbu ingabonakala phakathi nendawo yesithombe.
Iyini i-dysplasia futhi kungani ibalulekile?

I-Barrett's esophagus osekuyiminyaka eminingi ikhona yandisa ingozi yokukhula ngendlela engavamile ebizwa ngokuthi. umabhebhana. I-Dysplasia ibalulekile ngoba ingaholela ohlotsheni lomdlavuza womminzo okuthiwa i-adenocarcinoma. Izazi ze-pathologists zihlukanisa i-dysplasia ibe ngamazinga amabili - i-dysplasia yebanga eliphansi kanye ne-high grade dysplasia.

I-Barrett's esophagus ene-dysplasia yebanga eliphansi

Barrett's esophagus nge i-dysplasia yezinga eliphansi yisimo esiyingozi esihambisana nokwanda kwengozi yokuvela i-adenocarcinoma uma kuqhathaniswa neziguli ezine-Barrett's esophagus kodwa ezingenayo i-dysplasia. Ebangeni eliphansi le-dysplasia, amangqamuzana abonakala engavamile ngesimo noma umbala kodwa iphethini yokukhula ifana ne-Barrett's esophagus ngaphandle kwe-dysplasia.

I-Barrett's esophagus ene-high grade dysplasia

Barrett's esophagus nge i-dysplasia yezinga eliphezulu yisimo esiyingozi esihambisana nokwanda kwengozi yokuvela i-adenocarcinoma uma kuqhathaniswa neziguli ezine-Barrett's esophagus kodwa ezingenayo i-dysplasia noma i-dysplasia yebanga eliphansi. Ku-high grade dysplasia, kokubili amaseli kanye nephethini yokukhula ayijwayelekile. Ikakhulukazi, i- acorns zivele ziminyene noma zibuyela emuva kuphethini odokotela bezifo ezichaza ngokuthi cribriform. Izibalo ze-Mitotic (ukuhlukanisa amaseli) kanye i-necrosis (amaseli afile) nawo angabonakala.

I-Barrett's esophagus ene-dysplasia yebanga eliphansi
Lesi sithombe sibonisa i-Barrett's esophagus ene-dysplasia yebanga eliphansi.
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