Case Report of Undifferentiated Endometrial Sarcoma in Association with Osteoclast-Like Giant Cells

Table 1

Immunohistochemical stains used in this study and tumor staining results.

Antibody	Clone	Source	Dilution	Company	Staining results
Caldesmon	h-CD	Mouse	1 : 400	Dako	Negative
Calretinin	5A5	Mouse	RTU^1	Novocastra	Negative
CD10	56C6	Mouse	RTU	Leica	Positive, 3+ in >95% cells
CD56	CD564	Mouse	RTU	Leica	Negative
CD68	514H12	Mouse	RTU	Leica	Positive in osteoclast-like giant cells
AE1-3	AE1/AE3	Mouse	1 : 200	Covance	Negative
DES	D33	Mouse	1 : 1 K	Dako	Negative
HCG	Polyclonal	Rabbit	1 : 2 K	Dako	Rare giant cells were positive
INHIBIN-a	R1	Mouse	1 : 5	Serotec	Positive
Myf-4	LO26	Mouse	1 : 50	Novocastra	Negaive
MYO	Polyclonal	Rabbit	1 : 2 K	Dako	Negative
S-100	Polyclonal	Rabbit	RTU	Leica	Negative
WT-1	WT49	Mouse	RTU	Leica	Positive, 40%–50% tumor cells
ER	1D5	Mouse	1 : 50	Dako	Negative
PR	Pgt636	Mouse	1 : 500	Dako	Negative
CD117	Polyclonal	Rabbit	1 : 400	Dako	Negative

¹RTU:  Ready to use.