Serum tumor markers Flashcards
Alkaline phosphatase
Mets. to bone or liver, Paget disease of bone, seminoma (placental ALP)
R/O hepatic by checking LFTs and GGT
alpha-fetoprotein
HCC, hepatoblastoma, yolk sac tumor, mixed germ cell tumor
Transiently elevated in normal pregnancy
High level- neural tube/abd. wall defects
Low level- Down syndrome
beta-hCG
Hydatidiform moles and choriocarcinomas (gestational trophoblastic disease), testicular cancer, mixed germ cell tumor
Made by syncitiotrophoblasts of placenta
CA 15-3/CA 27-29
Breast cancer
CA 19-9
Pancreatic andenocarcinoma
CA 125
Ovarian cancer
Calcitonin
Medullary thyroid carcinoma (including MEN2A/B)
CEA
CRC and pancreatic Carcinoembryonic antigen (non-specific)
Chromogranin
Neuroendocrine tumors
PSA
Prostate ca.
Also up in BPH and prostatitis\
Surveillance post-prostatectomy