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Tumor marker
Tumor markers
| Question | Answer |
|---|---|
| PSA | Prostate specific antigen. Used to screen for prostate carcinoma. Can also be elevated in BPH and prostatis |
| Prostatic Acid phosphatase | prostate carcinoma |
| CEA | Carcinoembryonic antigen. Colorectal, pancreatic, gastric, breast |
| AFP | Hepatocellular cancers, nonseminomatous germ cell tumors of testis (yolk sac) |
| B-HcG | Hydatidiform moles, choriocarcinoma, gestational trophoblast tumors |
| CA-125 | Ovarian and malignant epithelial tumors |
| S-100 | Neural tumors, astrocytomas, melonoma |
| Alkaline phosphatase | Mets to bone, obstructive biliary disease, Paget's disease of bone |
| Bombesin | Lung, neuroblastoma, gastric |
| TRAP (Tartrate-resistant acid phosphatase) | Hairy cell leukemia (B cell) |
| CA-19-9 | Pancreatic adenocarcinoma |