Umdlavuza oyinhloko uchazwa ngokuthi indawo yokuqala (isitho noma izicubu) lapho umdlavuza waqala khona.
Isibonelo, umdlavuza oqala emaphashini ubizwa ngokuthi umdlavuza wamaphaphu oyinhloko. Uma umdlavuza wamaphaphu usakazeka ebuchosheni, wawuzobizwa ngokuthi umthamo we- metastatic oyinhloko yamaphaphu ebuchosheni. Ngakolunye uhlangothi, umdlavuza oqala emathunjini futhi usakazeka emaphashini uzobizwa ngokuthi imitha yesifo somdlavuza oyinhloko yamabele emaphashini.
I-Cancer yesibili noma yesibili
Amagama umdlavuza wesibili nowesibili ngezinye izikhathi asetshenziswa ngokungafani kodwa angasho izinto ezahlukene. Igama elithi umdlavuza wesibili lingabhekisela kumetastasis kusuka emdlalweni oyinhloko, noma umdlavuza wesibili ongahambisani nomdlavuza wokuqala. Uma igama lomdlavuza wesibili lisetshenzisiwe, ngokuvamile libhekisela kumdlavuza wesibili oyinhloko, ngamanye amazwi, umdlavuza ohlukile kunomdlavuza wokuqala, ovela engxenyeni ehlukene noma emathangeni.
Lokhu kungadideka uma uzwa ukuthi le kansela yesibili ingase ibe khona ngenxa yokwelashwa komdlavuza oyinhloko. Ezinye izidakamizwa zamakhemikhali, kanye nokwelashwa kwemisebe, kungandisa ingozi yokuba nomdlavuza ngokulimaza i-DNA njengoba ilwa namaseli omdlavuza. Uma lokhu kwenzeka lesi sifo esisha sibhekwa njengomdlavuza wesibili wesibili.
Umdlavuza Wesizinda Esingaziwa
Kwezinye izimo, isayithi lokuqala lapho umdlavuza uqala khona. Ezinye ze-khansela zitholakala kuphela ngemva kokuba zisakaze ezindaweni eziningi zomzimba, kuhlanganise namaphaphu.
Kulesi simo, lesi sifo siyobizwa ngokuthi umdlavuza we-metastatic of originally unknown. Ngokuhlolwa okuthuthukisiwe okuthuthukisiwe kanye nokuprofetha kwamangqamuzana, ukuxilongwa komdlavuza ongaziwa umsuka kungavamile kakhulu kunasekuqaleni, kodwa lokhu kusengenzeka. Isizathu sivame ukuthi isifo sikhulu kakhulu "esingenamsebenzi." Amaseli e-Cancer angahluka kakhulu kusuka kumaseli avamile , ngezinye izikhathi enza ukuba angafani nakancane ngaphansi kwe-microscope.
Ngisho noma isayithi eliyinhloko lingenakunqunywa ngomdlavuza, udokotela sisaqhubeka nokwelapha lowo mdlavuza. Kulinganiselwa ukuthi amaphesenti angu-2 kuya kwangu-5 azo zonke iziguli zomdlavuza anezibalo zokuthi isayithi eliyinhloko alikwazi ukutholakala.
I-Cancer ayinaso sonke isayithi eliyisisekelo. Isibonelo salokhu yi-lymphoma. Kodwa ngenkathi indawo eyinhloko lapho i-lymphoma iqala khona ingase ingaziwa, akubhekwa njengomdlavuza ongaziwa umsuka.
Imithombo:
I-American Cancer Society. "Uyini umdlavuza wezinhloko ezingaziwa?" umdlavuza.org. Kubuyekezwe 07/02/14.
I-American Society of Clinical Oncology. "Unknown Primary". umdlavuza.net.