Immunohistochemistry Flashcards
Location
Clusters of Differentiation (CD)
Membranous
HER2/neu
Membranous
EGFR
Membranous
E-cadherin
Membranous
TTF-1
Nuclear
CDX2
Nuclear
Myogenin
Nuclear
WT1
Nuclear
p53
Nuclear
p63
Nuclear
Esterogen Receptor (ER)
Nuclear
Progesterone Receptor (PR)
Nuclear
Ki-67 / MIB1
Nuclear
Cytokeratins (CK)
Cytoplasmic
Desmin
Cytoplasmic
Vimentin
Cytoplasmic
Actin
Cytoplasmic
ACTH
Cytoplasmic
S100
Nuclear and Cytoplasmic
p16
Nuclear and Cytoplasmic
Calretinin
Nuclear and Cytoplasmic
AMACR / Racemase
Cytoplasmic granular (mitochondrial / peroxisomal)
Napsin A
Cytoplasmic granular (lysosomal)
HepPar1
Cytoplasmic granular (mitochondrial)
CD30 in classical Hodgkin Lymphoma
Cytoplasmic dot-like (golgi staining)
CD15 in classical Hodgkin Lymphoma
Cytoplasmic dot-like (golgi staining)
Cytokeratins (CKs) in Neuroendocrine carcinomas
Cytoplasmic dot-like (perinuclear)
Punctate
PAX8
Nuclear
p40
Nuclear
Ki-67 / MIB1 in Hyalinizing trabecular tumor/adenoma of thyroid
Membranous / Cytoplasmic
GFAP
Cytoplasmic
Neurofilament
Cytoplasmic
HMB45
Cytoplasmic
Melan-A
Cytoplasmic
Trypsin
Cytoplasmic
Beta-catenin (normal)
Membranous in Epithelial cells
Cytoplasmic in Stromal cells
Beta-catenin in Desmoid-type Fibromatosis and some Colon CAs
Nuclear
CD30 in Anaplastic Large cell Lymphoma
Cytoplasmic dot-like (golgi staining)
CK20 in Merkel cell CA
Perinuclear dot-like (punctate)
ATRX
Nuclear
BCL2
Membranous and Cytoplasmic
POSITIVE or NEGATIVE
BCL2 in Follicular lymphoma
Positive
BCL2 in reactive follicles
Negative
BCL10
Cytoplasmic
Ber-EP4
Membranous
Brachyury
Nuclear
CA 19-9
Cytoplasmic
h-Caldesmon
Cytoplasmic
h-Caldesmon in Leiomyosarcoma
Positive
POSITIVE or NEGATIVE
h-Caldesmon in myofibroblastic lesions such as fibromatosis
Negative
CD1a
Membranous
CD31
Membranous and Cytoplasmic
CD34
Membranous and Cytoplasmic
CD34 in DFSP vs. Dermatofibroma
- DFSP+
- Dermatofibroma-
CD56 / NCAM
Membranous
CD68
Membranous and Cytoplasmic
CD99 / MIC2 / O13
Membranous and Cytoplasmic
CD138
Membranous
CDK4
Nuclear
CEA
Cytoplasmic
Chromogranin A
Cytoplasmic (granular)
c-Kit / CD117
Membranous and Cytoplasmic
c-Kit/CD117 in Thymoma vs Thymic CA
- Thymoma-
- Thymic CA+