No. | Age/sex | Site | Smoking history | Histology | Cell size of NEC | IHC of NEC | IHC of SCC | Follow-up | Reference |
1 | 63/M | Retromolar | NA | NEC | Small | NA | - | DOD at 24 mths | Benning, et al. 1990 [11] |
2 | 76/M | Tongue | Yes | NEC | Small | +Keratin, EMA, CEA, NSE | - | DUC at 2 mths | Yoshida, et al. 1995 [12] |
3 | 46/F | Mandible | NA | TC | - | +CGA, NSE | - | NED at 24 mths | Coleman, et al. 1996 [13] |
4 | 49/M | Floor of mouth | Yes | NEC | Medium to large | +CGA, SYP, CT, LMW-CK | - | DOD at 10 days | Baker, et al. 1999 [14] |
5 | 59/M | Gingiva | NA | NEC and SCC | Large | +CGA, CD56 | +CAM5.2 | NA | Oku, et al, 2002 [8] |
6 | 68/M | Gingiva | NA | AC | - | +CGA,SYP, NSE, CAM5.2, AE1/AE3 | - | NA | Abiko, et al. 2004 [15] |
7 | 79/M | Tongue | NA | NEC | Large | +CD56, NSE, p16, p53, p63, 34βE12, CK5/6, CK19 | - | NED at 18 mths | Kusafuka, et al. 2009 [16] |
8 | 62/F | Gingiva | NA | NEC and SCC | Small | +CGA, SYP, CD56, NSE, K7, K19 | +K5, K14, K15, K17, p63 | NED at 23 mths | Mochizuki, et al. 2010 [7] |
9 | 34/F | Retromolar | NA | NEC | Large | +CGA, CD56, CD57, S100P, Keratin, EMA | - | AWD at 9 mths | Krishnamurthy, et al. 2011 [17] |
10 | 46/F | Retromolar | NA | TC | - | +CGA, SYP, NSE, AE1/AE3, CK7, p63, S100, Vimentin, CD57 | - | NED at 11 mths | Yang, et al., 2011 [18] |
11 | 57/M | Uvula | NA | AC | - | +SYP, EMA, AE1/AE2 | - | DOD at 9 mths | Goldman, et al., 2012 [19] |
12 | 25/F | Gingiva | NA | NEC | Medium to large | +SYP, NSE, S100 | - | NED at 13 mths | Wu, et al. 2014 [3] |
13 | 38/F | Buccal mucosa | NA | NEC | Small | +SYP, EMA, AE1/AE3 | - | NED at 8 mths | Wu, et al. 2014 [3] |
14 | 73/M | Gingiva | Yes | NEC | Small | +CGA, SYP, NSE, AE1/AE3 | - | NED at 14 mths | Zeng, et al. 2015 [4] |
15 | 65/M | Floor of mouth | NA | AC and SCC | - | +SYP, CD56 | +34βE12, p63 | AWRR at 6 mths | Yamagata, et al. 2016 [6] |
16 | 59/M | Soft palate | Yes | NEC and SCC | Small | +CGA, SYP, CD56, p16 | +34βE12, p63, p16 | NED at 30 mths | Our case |