Table 1 Previous reports of SPC
Reference | Number of cases | % premenopausal (agea) | % of cases that showed distant metastasis |
|---|---|---|---|
Maluf and Koerner [3] | 20 | 0 | 5% |
Otsuki et al. [4] | 20 | 15% (31, 45, 48) | 0 |
Nassar et al. [6] | 58 | 1.7% (30) | 8.6% |
Nicolas et al. [11] | 11 | 9.1% (48) | 0 |
Foschini et al. [12] | 13 | 7.7% (48) | n.a. |
Eusebi et al. [13] | 5 | 0 | n.a. |
Tosi et al. [14] | 4 | 50% (45, 47) | n.a. |
Cameselle et al. [15] | 1 | 0 | n.a. |
Chang et al. [16] | 1 | 0 | n.a. |
Masood et al. [17] | 1 | 0 | n.a. |
Colella et al. [18] | 1 | 0 | n.a. |
Chiang et al. [19] | 13 | 0 | n.a. |
Leena et al. [20] | 2 | 50% (44) | n.a. |
Zhang et al. [21] | 4 | 0 | n.a. |
Senel et al. [22] | 1 | 0 | n.a. |
Domoto et al. [23] | 1 | 0 | n.a. |
Rakha et al. [ 8] | 30 | n.a. | 0 |
Tsang and Chan [24] | 34 | n.a. | 0 |
Wei et al. [25] | 21 | n.a. | 0 |
Zheng et al. [26] | 32 | n.a. | 3.2% |
Zhong et al. [27] | 22 | n.a. | 0 |
Total | 295 | 5.8%b(9/156) | 2.8%b(7/248) |