Table 1 Immunohistochemical features of Merkel cell carcinoma
Study | CK20 | TTF-1 | NF | |||
|---|---|---|---|---|---|---|
Positive | Total | Positive | Total | Positive | Total | |
(13) | 94 | 103 | 10 | 95 | 73 | 97 |
(26) | 46 | 55 | 42 | 55 | ||
(5) | 13 | 13 | 0 | 13 | 12 | 13 |
(10) | 20 | 21 | 0 | 21 | ||
(25) | 35 | 40 | 1 | 40 | ||
(8) | 23 | 23 | 0 | 23 | ||
(19) | 15 | 15 | ||||
(22) | 43 | 56 | 25 | 40 | ||
(16) | 15 | 20 | 0 | 20 | ||
(27) | 14 | 15 | 0 | 15 | ||
(21) | 16 | 18 | 0 | 18 | ||
(15) | 10 | 11 | 0 | 11 | ||
(7) | 33 | 34 | ||||
(17) | 80 | 100 | 95 | 100 | ||
(12) | 17 | 25 | ||||
(24) | 9 | 9 | ||||
(18) | 6 | 6 | 4 | 6 | ||
(28) | 19 | 22 | 0 | 22 | ||
(11) | 23 | 26 | ||||
(14) | 6 | 6 | ||||
(9) | 7 | 9 | ||||
(4) | 9 | 10 | 8 | 8 | ||
(6) | 16 | 21 | 0 | 21 | ||
(20) | 18 | 27 | ||||
(23) | 9 | 10 | ||||
(29) | 87 | 95 | 13 | 95 | 71 | 97 |
(31) | 5 | 6 | ||||
(33) | 5 | 5 | ||||
(32) | 49 | 52 | 10 | 52 | 44 | 52 |
(47) | 1 | 30 | ||||
Totals | 716 | 819 | 35 | 476 | 400 | 502 |
Total Percentage | 87.4 | 7.4 | 79.7 | |||
