I-squamous cell carcinoma endaweni yesikhumba

nguJason Wasserman MD PhD FRCPC kanye noZuzanna Gorski MD
December 21, 2023


I-squamous cell carcinoma in situ noma Isifo sikaBowen kusesekuseni okungenasidingo uhlobo lomdlavuza wesikhumba. Iqala kusuka ama-squamous cell ngokuvamile itholakala engxenyeni yesikhumba ebizwa ngokuthi i-epidermis. Uma ingelashwa, i-squamous cell carcinoma in situ ingaguqukela kuhlobo lomdlavuza wesikhumba olunamandla kakhulu olubizwa ngokuthi. i-squamous cell carcinoma engavamile.

I-Histology yesikhumba evamile

Yiziphi izimpawu ze-squamous cell carcinoma in situ?

I-squamous cell carcinoma in situ ivamise ukuvela njengendawo ekhula kancane, ebomvu, nenesikhumba esikhumbeni. Lesi simo ngokuvamile sibandakanya izindawo zomzimba ezichayeke elangeni, ikakhulukazi ubuso, intamo, imilenze engezansi, nezandla.

Yini ebangela i-squamous cell carcinoma in situ?

Isizathu esivame kakhulu se-squamous cell carcinoma in situ ukuchayeka isikhathi eside nokudlulele emisebeni ye-UV, ngokuvamile evela elangeni kodwa eminye imithombo efana nemibhede yokushuka nayo iyathinteka. Ukucindezelwa kwamasosha omzimba ngenxa yemithi noma ukungasebenzi kahle kwamasosha omzimba kwandisa ingozi yokuba nalesi simo.

Ingabe i-squamous cell carcinoma in situ iyingozi noma iyingozi?

I-squamous cell carcinoma in situ yenziwe okubi amaseli, nokho, ngoba ukukhula kuyinto okungenasidingo, amaseli awakwazi ukusabalala kwezinye izingxenye zomzimba ezifana ama-lymph node. Ngenxa yalesi sizathu, ukwelashwa kusenesikhathi, lesi simo siziphatha njenge-a benign izifo.

Ukuhlolwa kwe-microscopic kubonisani?

Ku-squamous cell carcinoma in situ, evamile ama-squamous cell ku-epidermis zithathelwa indawo yizinkulu, hyperchromatic (kumnyama), futhi i-pleomorphic (ebonisa umumo nosayizi oguquguqukayo) amaseli ane-squamous. Lezi zinguquko ziyisibonelo se umabhebhana. Amaseli e-Dyskeratotic (amaseli e-squamous afayo) nawo angabonakala. Ngaphezu kwalokho, inani elikhulu izibalo ze-mitotic (amaseli ahlukana ukuze akhe amaseli amasha) angase abonakale kulo lonke i-epidermis. Ku-squamous cell carcinoma in situ, i okuhlekisayo amaseli e-squamous kufanele avalelwe ku-epidermis. Ngokuphambene, ku i-squamous cell carcinoma engavamile, amangqamuzana e-squamous atypical asabalele ku-dermis engaphansi.

I-squamous cell carcinoma in situ

Kusho ukuthini ukukhipha ngokuphelele?

Ukukhishwa ngokuphelele kusho ukuthi sonke isimila sikhishwe ngempumelelo ngokuhlinzwa okwenziwa. Izazi ze-pathologists zinquma ukuthi isimila sikhishwe ngokuphelele ngokuhlola i-tumor imishado kwezicubu (bheka ngezansi ukuze uthole ulwazi olwengeziwe mayelana namamajini).

Kusho ukuthini ukunqunyulwa ngokuphelele?

Ukukhishwa ngokungaphelele kusho ukuthi ingxenye kuphela yesimila yasuswa ngokuhlinzwa okwenziwa. Izazi ze-pathologists zichaza isimila njengesikhishwe ngokungaphelele lapho amaseli e-tumor ebonakala wekhasi noma usike unqenqema lwethishu (bheka ngezansi ukuze uthole ulwazi olwengeziwe mayelana namamajini).

Kuvamile ukuthi isimila sikhishwe ngokungaphelele ngemva kwenqubo encane efana ne- i-biopsy ngoba lezi zinqubo ngokuvamile ayenziwa ukuze kususwe sonke isimila. Nokho, izinqubo ezinkulu ezifana izinqumo futhi ukuhlinzwa ngokuvamile kwenziwa ukuze kususwe sonke isimila. Uma isimila sikhishwe ngokungaphelele, udokotela wakho angase atuse enye inqubo ukuze kususwe sonke isimila.

Amanqamu

Ku-pathology, i-margin isho unqenqema lwezicubu ezikhishwe ngesikhathi sokuhlinzwa kwesimila. Isimo semajini embikweni we-pathology sibalulekile njengoba sibonisa ukuthi isimila sisusiwe sonke noma uma ezinye zishiywe ngemuva. Lolu lwazi lusiza ekunqumeni isidingo sokwelashwa okwengeziwe.

Ama-pathologists ngokuvamile ahlola ama-margins ngokulandela inqubo yokuhlinzwa njenge- ukuziqhenya or ukukhishwa kabusha, okuhloswe ngayo ukususa sonke isimila. Amajikijolo awavami ukucutshungulwa ngemva kwe-a i-biopsy, esusa ingxenye kuphela yesimila. Inani lamamajini abikiwe kanye nosayizi wawo—ukuthi singakanani izicubu ezivamile phakathi kwesimila nonqenqema olusikiwe—ziyahlukahluka ngokuya ngohlobo lwethishu nendawo yesimila.

Izazi ze-pathologists zihlola ama-margins ukuze zihlole ukuthi ama-tumor cells akhona yini emaphethelweni ezicubu. Umkhawulo omuhle, lapho kutholakala khona ama-tumor cells, uphakamisa ukuthi omunye umdlavuza ungase uhlale emzimbeni. Ngokuphambene, imajini engalungile, engenawo amaseli e-tumor emaphethelweni, iphakamisa ukuthi isimila sisuswe ngokuphelele. Eminye imibiko iphinda ilinganise ibanga phakathi kwamaseli wesimila aseduze kanye nemajini, noma ngabe wonke amamajini anegethivu.

margin

Mayelana nalesi sihloko

Lesi sihloko sibhalelwe ukukusiza ukuthi uqonde lesi simo kanye nombiko wakho we-pathology. Xhumana nathi uma unemibuzo mayelana nalesi sihloko noma umbiko wakho we-pathology.

Ezinye izinsiza eziwusizo

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