IHC General Markers Flashcards
PSA
prostatic epithelium
(prostate-specific antigen)
used to follow prostate carcinoma
can also be elevated in BPH and prostatitis
Prostatic acid phosphatase
prostate carcinoma
CEA
Carcinoembryonic antigen
very nonspecific but produced by ~70% of colorectal and pancreatic cancers
also produced by gastric, breast, and medullary thyroid carcinomas
a-fetoprotein
normally made by fetus
hepatocellular carcinomas
nonseminomatous germ cell tumor (ie: testis, ovary)
B-hCG
Gydatidiform moles
choriocarcinomas
gestational trophoblastic disease
CA-125
ovarian cancer
S-100
melanoma, neural tumors, schwannomas
pathoma + langerhans cell histiocytosis
alkaline phosphatase
metastases to bone, liver
paget’s disease of bone
TRAP
tartrate-resistant acid phosphatase (TRAP)
hairy cell leukemia (B-cell neoplasm)
“TRAP the hairy animal”
CA-19-9
pancreatic adenocarcinoma
calcitonin
medullary thyroid carcinoma
keratin
epithelium
vimentin
mesenchyme
desmin
muscle
GFAP
neuroglia