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. 2020 Dec 3;12(12):e11870. doi: 10.7759/cureus.11870

Table 1. Summary of immunohistochemical results of both cases.

Immunohistochemical stains  Clone First case Second case
CD56  123C3 + (focal) -
CD99    O13 + (diffuse and strong) +
Chromogranin  LK2H10) + (focal) -
CK5/6  D5/1684 + +
CK7  SP52 - -
Ki67  30-9 + (>20% of tumor cells)  Not done
P16  CINTecP16 + (>75%) + (focal)
P63  4A4 + (Diffuse) + (diffuse)
PGP 9.5    10-A1 + Not done
Synaptophysin  SP11 + (weak) + (patchy)