Table 2.

Comparison of HMW-MAA, S-100p, and HMB-45IHC of SLN

Patient no	Detection of melanoma cells
	S-100p	HMB45	HMW-MAA
1	+	+	+
2	+	+	+
3	+	+	+
4	+	+	+
5	+	+/−	+
6	+	+	+
7	+	+	+
Total	7/7 (100%)	7/7 (100%)	7/7 (100%)
1	−	+/−	+
2	+	+	+
3	−	+	+
4	+	−	+
5	+	+	+
6	+	−	+
7	+	−	+
8	+	+/−	+
9	+	+	+
10	+	+	+
11	+	−	+
12	+	+	+
13	+	+	+
14	+	+	+
15	+	+/−	+
16	+	+/−	+
17	+	+	+
18	+	+/−	+
19	+	+	+
20	+	+	+
21	+	+	+
22	+	+	+
23	+	−	+
Total	21/23 (91%)	18/23 (78%)	23/23 (100%)

NOTE: Nodes were analyzed by IHC.