Table 3

Pathologic characteristics
Characteristics Case tested Positive tests
n %
Immunohistochemistry
 CgA 149 103 69.1
 Syn 143 129 90.2
Tumor grading
 G1 169 87 51.5
 G2 169 31 18.3
 G3 169 51 30.2
Tumor type
 NET 169 118 69.8
 NEC 169 46 27.2
 MANEC 169 5 3.0
Infiltration/Metastasis
 Muscularis/Serosa infiltration 100 53 53.0
 Adjacent tissue/Capsule infiltration 178 41 23.0
 Lymphatic metastasis 178 48 27.0
 Distant metastasis
  At initial diagnosis 178 41 23.0
  During follow-up 178 55 28.1

CgA, Chromogranin A; Syn, Synaptophysin;NET, neuroendocrine tumor; NEC, neuroendocrine carcinoma; MANEC, mixed adenoendocrine carcinoma.

Wang et al.

Wang et al. BMC Endocrine Disorders 2012 12:30   doi:10.1186/1472-6823-12-30

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