3. Tumor Markers Flashcards
Prostate tumor marker(s)
PSA
Non-cancerous reasons for AFP >1000 ug/L
Pregnancy
ALP is a tumor marker for these 3 types of cancer
Lung
Liver
Ovarian
Testicular tumor marker(s)
Beta-HCG
AFP
Which germ cell tumor?
High AFP
Yolk sac tumor
Ovarian tumor marker(s)
CEA CA 125 beta-HCG ALP AFP
AFP and HCG in teratoma
Both normal
Which germ cell tumor?
High HCG
Choriocarcinoma
Lymphoproliferative disorders (MM, Waldenstrom’s lymphoma) is monitored by this tumor marker
B2-microglobulin
AFP and HCG in choriocarcinoma
AFP norm
HCG increased
CA 15-3 is most useful for staging this type of cancer
Breast
Protease enzyme tumor marker
PSA
AFP and HCG in yolk sac tumor
AFP increased
HCG norm
4 non-seminomas (type of germ cell tumor)
- Yolk sac tumor
- Choriocarcinoma
- Embryonal carcinoma
- Teratoma
AFP is a tumor marker for these 2 types of cancer
Liver
Ovarian
Stomach tumor marker(s)
CEA
CA 19-9
Biomarker mainly used for colorectal cancer
CEA
AFP can be increased in those with what 3 conditions?
- Hepatocellular carcinoma
- Germ cell carcinoma
- Pregnancy
Breast tumor marker(s)
CEA
CA 15-3
Lung tumor marker(s)
CEA
ALP
CA 19-9
Tumor made up of several different types of tissue
Teratoma
Useful for colorectal and pancreatic carcinomas
CA 19-9
Thyroid tumor marker(s)
Thyroglobulin
CA 19-9 can be used to diagnose which cancers?
- Lung
- Liver
- Stomach
- Pancreatic
- Colorectal
Follow-up for positive FOBT/FIT test
Colonscopy
Most common type of cancer - formed by epithelial cells
Carcinomas
Colorectal tumor marker(s)
CEA
CA 19-9
FOBT
FIT
AFP and HCG in embryonal carcinoma
Both increased
Which germ cell tumor?
High AFP and high HCG
Embryonal
Cancer formed in bone and soft tissues (muscle, fat, blood vessels, lymph vessls, fibrous tissue)
Sarcomas
Useful for monitoring ovarian carcinomas
CA 125
What does ‘TNM’ in TNM staging system stand for?
Tumor, Node, Metastasis
3 PROTEIN tumor markers
B2-microglobulin
Immunoglobulins
Thyroglobulin (TG)
Pancreatic tumor marker(s)
CEA
CA 19-9
Liver tumor marker(s)
AFP
ALP
CA 19-9
Aggressive type of testicular cancer w/ spread to lungs, bones, brain
Choriocarcinoma
Useful for staging breast cancer
CA 15-3
3 ‘screening’ tumor markers
PSA
FOBT
FIT