Page views in 2021 to date: 62
Top Stains and CD Markers:  January 1 - December 5, 2020
Topic Title Pageviews
Cytokeratin 7 (CK7, K7)  61,006
GATA3  51,689
PAX8  51,180
CD10  37,384
S100  34,543
PAS (Periodic Acid-Schiff)  31,559
CD117  29,077
Cytokeratin AE1 / AE3  28,573
BCL2  28,353
p63  28,173
Cytokeratin 5/6 and CK5  27,696
Epithelial membrane antigen (EMA)  27,396
CD34  27,244
TTF1  26,950
BerEP4 / EpCAM  26,530
CD56  26,373
CD45  23,587
CD30  19,992
AMACR  19,137
CD68  18,831
Cytokeratins (CK) - general  17,612
MUM1 / IRF4  17,180
HER2 (c-erbB2) breast  16,802
Calretinin  16,544
p53  16,389
Cytokeratin CAM 5.2  15,957
Beta catenin  15,777
Desmin  15,236
Napsin A  15,089
Cyclin D1  14,555
HMB45  14,414
CEA / CD66e  14,273
CD15  14,029
D2-40 (Podoplanin)  13,430
Special AT-rich sequence-binding protein 12,948
CD43  12,853
Cytokeratin 34 beta E12  12,827
CD23  12,778
CD138  12,520
Synaptophysin  12,318
INI1 / SMARCB1  12,311
CD31  12,083
BCL6  11,990
MelanA / MART1  11,841
PAX5  11,645
Actin, alpha smooth muscle type  11,222
NKX3.1  11,218
Glypican 3  11,092
deltaNp63  10,882
Mucins  10,583
TdT  10,103
CD20  9,759
CD3  9,715
Estrogen receptor  9,687
ALK  9,615
ERG  9,434
FLI1  9,427
HepPar1  9,140
CD1a  8,905
CD5  8,889
Chromogranin  8,795
STAT6  8,759
Congo red  8,496
SALL4  8,225
Caldesmon  8,151
Alcian blue  7,995
OCT 3/4  7,916
Gross cystic disease fluid protein 15 7,855
CD79a  7,522
Cytokeratin 18 (CK18, K18)  7,359
Inhibin A  7,342
PLAP  7,159
Reticulin  7,093
TFE3  6,816
Transducin-like enhancer of split 1 6,461
CD21  6,438
CD163  6,322
BAP1  5,977
Calponin  5,970
Glial fibrillary acidic protein (GFAP)  5,890
CA 19-9  5,881
Factor XIIIa  5,717
CD38  5,631
CD61  5,454
Myeloperoxidase  5,374
MLH1  5,227
HBME  5,151
Myogenin  5,134
Cytokeratin MNF 116  5,121
p120 catenin  5,075
Alpha fetoprotein (AFP)  4,919
Mammaglobin  4,905
Androgen receptor (AR)  4,823
RCC  4,797
Actin - muscle specific  4,679
MYC  4,660
MUC5AC  4,555
CD25  4,486
SOX11  4,471
Arginase1  4,393
Acid fast / Auramine-rhodamine  4,379
INSM1  4,349
CD57  4,267
EBER1 and EBER2  4,263
MyoD1  4,182
Jones methenamine silver  4,099
ATDX (ATRX)  4,087
HLA-DR  3,925
CA125  3,897
Neuron specific enolase (NSE)  3,866
Progesterone receptor  3,807
H3K27me3  3,792
GLUT1  3,761
Fontana-Masson  3,672
MUC2  3,636
Trichrome  3,616
Iron  3,566
CDK4  3,548
Cytokeratin 8 (CK8, K8)  3,530
MUC4 (pending)  3,524
Programmed death-1 (PD-1)  3,519
SMARCA4/BRG1  3,504
CD4  3,485
IgG4  3,393
Cytokeratin 14 (CK14, K14)  3,319
PAX2  3,274
HHV8 / KSHV  3,253
SF1  3,237
EGFR  3,158
CD44  3,129
CD45RA  3,085
SDHB (succinate dehydrogenase) 3,015
CD8  3,014
BOB1  2,984
Amyloid beta and amyloid beta  2,929
Giemsa stain  2,897
PTEN  2,897
CD71  2,896
S100P  2,890
Smooth muscle myosin heavy ch  2,873
Thyroglobulin  2,804
Martius scarlet blue trichrome  2,721
Olig2  2,720
Nonspecific esterase  2,684
Lambda  2,647
Cytokeratin 17 (CK17, K17)  2,645
Uroplakin III  2,636
CD13  2,634
CD7  2,632
Villin  2,607
CD19  2,587
Gram stain  2,561
Elastic fibers  2,560
FMC7  2,543
Neurofilament  2,477
B72.3  2,475
hCG  2,458
Calcitonin  2,420
Epstein-Barr virus  2,403
CD45RO  2,389
CD11c  2,381
CD33  2,351
Tissue of origin / unknown prim  2,322
Warthin-Starry silver stain  2,319
Oil red O  2,270
LEF1  2,264
Kappa  2,255
Melanin  2,202
Lysozyme  2,156
DBA-44  2,155
OSCAR cytokeratin  2,138
TRAP (Tartrate resistant acid ph  2,118
Alpha-1 antitrypsin  2,116
CD235  2,099
Prostatic acid phosphatase (PAP)  2,096
Brachyury  2,088
Factor VIII related antigen  2,057
MSI testing Lynch syndrome / co  2,057
Calcium  2,047
CD2  2,041
MUC6  1,971
Fascin  1,870
SSTR2A  1,859
CD63  1,786
HER2 stomach/GE junction  1,740
T cell leukemia / lymphoma pro  1,724
CD14  1,711
Thrombomodulin  1,708
PDL1 SP142  1,701
TIA1  1,673
von Hippel Lindau (VHL)  1,605
CD103  1,598
SOX2  1,561
Granzyme B  1,509
FOXL2  1,506
CD207  1,471
Chloroacetate esterase  1,452
NUTM1  1,426
Rb  1,411
PMS2  1,410
ROS1  1,393
CD41  1,382
NeuN  1,377
CD200  1,358
MSH2  1,356
CD35  1,349
LMP  1,341
Claudins -general  1,319
CD Markers -General  1,315
Cathepsin K  1,303
Prostate specific membrane anti  1,299
CD64  1,280
Phosphohistone H3  1,271
Acid phosphatase  1,241
CD11b  1,236
Prostein / P501S  1,231
IMP3  1,198
CD42b  1,197
CD66  1,196
MSH6  1,178
CD16/CD16a  1,173
LMO2  1,145
EWSR1  1,136
Cytomegalovirus (CMV)  1,121
Phosphotungstic acid-hematoxy  1,121
CAMTA1  1,113
Dicer  1,080
SOX9  1,065
CD22  1,062
Alpha-synuclein  1,032
FOXP3  1,024
Collagen  1,015
Serum amyloid A (SAA)  967
Leder stain  966
Lipochrome (lipofuscin) pigments  949
Alpha-1-antichymotrypsin  932
BRCA1  918
CD18  908
Inhibin B  907
Mesothelin  881
CD36  875
CD1  872
CD45RB  870
Hansel stain  846
Tyrosinase  838
Claudin1  825
CD168  788
CD95  786
Human placental lactogen  784
Sudan Black B  784
Tryptase  775
Maspin  773
Myoglobin  768
CD58  749
HGAL  746
Other (uncommon markers)  746
Smoothelin  744
Alkaline phosphatase  741
MYB  730
ARID1A  721
KRAS  708
Grimelius  702
CD79b  686
MGMT  665
LIN28  655
Actin -general  652
CD27  640
BRAF-melanoma  635
PLAG1  618
Cyclooxygenase 2 (COX2)  616
YAP1  587
CD26  581
CD65  577
BRCA2  575
PU.1  567
KIT  551
CD52  543
Collagen type IV  530
Cytokeratin 10 (CK10, K10)  529
Treponema pallidum IHC  525
CD146  520
Clusterin  518
Argentaffin  516
Cadherins  512
Microsatellite instability  506
CD105  498
CD81  498
ISL1  483
Cell cycle  468
Adenovirus  464
von Willebrand factor (vWF)  463
Myosin  452
Cytokeratin 35 beta H11  450
Laminin  450
Cytokeratin AE3  448
Albumin  443
Cytokeratin AE1  442
Asbestos  438
CD24  433
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