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Summary of histologic and immunohistochemical findings in seventeen CEPs.
| Gangliocytic differentiation | 6/17 (35%) |
| Ganglioneuromatous differentiation | 3/17 (17%) |
| Chromogranin expression | 17/17 (100%) |
| SDHB loss of expression | 0/17 (0%) |
| GATA3 expression | 0/17 (0%) |
| Keratin cocktail positivity | 17/17 (100%) |
| S100 positivity in sustentacular cells | 16/17 (94%) |
