Ma'anar: Masu alama na tumo
Takaddun alaƙa sune abubuwa waɗanda kwayoyin cutar ciwon daji ke fitowa ko samar da su a jiki don maganin ƙwayar da ke ciki. Kwayoyin al'ada suna yin waɗannan abubuwa, amma an samar da su a mafi yawa daga kwayoyin cutar kanjamau.
Ana auna yawan alamun tumor a cikin jini ko fitsari.
Mafi amfani da waɗannan alamomi shine ya bi ciwon daji da aka sani.
A cikin wannan saitin ƙwanƙasa a matakin alamar ƙwayar ƙwayar cuta na iya zama alamar cewa ƙwayar yana ci gaba da girman (a wasu kalmomi, cewa magani yana aiki,) yayin da karuwa a matakin zai iya nufin ci gaba yana ci gaba. Ana yin amfani da alamar takalma kawai ba kadai, amma a hade tare da gwajin jiki ta likitanka da sauran nazarin kamar CT.
Wasu lokuta ana amfani da alamomin ƙwayoyin ƙwayoyin cutar don maganin ciwon daji. Misali na wannan shine duba kwayoyin PSA a matsayin allon don ciwon kwari .
Misalan alamun tumatir da aka yi amfani da su a cikin ciwon huhu a cikin huhu sun hada da carcinoembryonic antigen ( CEA ) a cikin marasa ciwon huhu na kwayar cutar , da kuma enolase na musamman (NSE), da ake amfani da su don ciwon ciwon daji .
Misalai: An hana Gloria cewa alamar ƙwayar cutar ta yi amfani da shi wajen saka idanu da cutar kanjamau ta karu, amma an yantar da shi cewa ƙwayarta ta ragu sosai a kan CT scan.