Table 2. Pathological types and immunostainings of 19 cases of localized tumors.
Pathological types of tumors | ACTH | NSE | CgA | Syn |
---|---|---|---|---|
Mediastinal carcinoid (n=12) | 11 | 9 | 7 | 6 |
Poorly-differentiated NET of mediastinum (n=4) | 3 | 3 | 2 | 2 |
Pulmonary carcinoid (n=1) | 1 | 1 | 0 | 1 |
Pulmonary & mediastinal carcinoid (n=1) | 1 | 0 | 1 | 0 |
Bronchus carcinoid (n=1) | 1 | 1 | 0 | 0 |
n, number of cases; NET, neuroendocrine tumor; NSE, neuron-specific enolase; CgA, chromogranin A; Syn, synaptophysin; ACTH, adrenocorticotropic hormone.