Table 2.

Results of the Immunohistochemical Analysis

Antibody	Positive (%)
AE1:AE3 & CK 18	8/8 (100)
CD99	8/8 (100)
Vimentin	8/8 (100)
Chromogranin	0/8 (0)
Synaptophysin	1/8 (13), patchy and weak
PR	0/8 (0)
CD10	0/8 (0)
β-Catenin (nuclear)	0/8 (0)
Trypsin & Chymotrypsin	0/8 (0)
TTF1	0/8 (0)
HepPar-1	0/8 (0)
MUC4	0/8 (0)
Desmin & Myogenin	0/8 (0)
INI1 (BAF-47)	3/3 (100), retained
CD117 & DOG1	0/8 (0)
S100	1/8 (13), very focal
HMB45 & Melan-A	0/8 (0)
CD31 & ERG	0/8 (0)
CD21 & CD35	0/8 (0)
CD45	0/8 (0)
BCL2	0/8 (0)
ALK	0/8 (0)
CD34	0/8 (0)
STAT6	0/3 (0)