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. 2022 Apr 21;13:871210. doi: 10.3389/fendo.2022.871210

Table 3.

Immunohistochemical expression of tumor markers.

Immunohistochemical markers*
NSE 13/13 (100%)
ChromograninA 39/39 (100%)
Synaptophysin 31/31 (100%)
TTF1 22/25 (88%)
Thyroglobulin 41/45 (91%)
Calcitonin 12/23 (52%)
Cytokeratin20 6/7 (86%)
CD56 16/16 (100%)
Peptide YY 9/9 (100%)
CDX2 3/5 (60%)
Serotonin 4/7 (57%)
Glucagon 8/10 (80%)
Pancreatic polypeptide 6/6 (100%)

*The common denominator of the proportions refers to the number of patients for whom the data is available.