Table 1

Results of immunohistochemical stains

Stain (clone)SourceDilutionEpithelial componentMesenchymal component
+++ strong, diffuse positive; ± (wf) weak, focal positive; − negative.
CK, cytokeratin; MSA, muscle specific actin; NSE, neurone specific enolase; PSA, prostate specific antigen; SMA, smooth muscle actin.
CK (AE1/AE3)CellMarque (Hot Springs, Arkansas, USA)1/150+++
CK (Cam 5.2)Zymed (South San Francisco, California, USA)1/100+++
NSE (BBS/NC/VI-H14)CellMarque1/50+++
Synaptophysin (SY38)BiogenexPrediluted+++
Chromogranin (LK2H10)CellMarque1/100+++
PSA (ER-PR8)CellMarque1/100
Vimentin (V9)CellMarque1/80+++
SMA (1A4)CellMarque1/100± (wf)
MSA (HHF35)DAKOPrediluted
Desmin (D33)CellMarquePrediluted
S-100 (4C4.9)CellMarque1/200± (wf)
CD34 (QBEnd/10)BioGenex1/30