Table 1.
Final histological diagnoses of the CD56+/CD45− malignancies
| Case | Specimen | Final diagnosis |
| 1 | Lymph node | Merkel cell carcinoma |
| 2 | Parotid gland | Metastatic small cell carcinoma (unknown primary) |
| 3 | Lymph node | Metastatic small cell carcinoma (unknown primary) |
| 4 | Lymph node | Metastatic undifferentiated neuroendocrine carcinoma |
| 5 | Lymph node | Metastatic pancreatic neuroendocrine carcinoma |
| 6 | Lymph node | Merkel cell carcinoma |
| 7 | Lymph node | Metastatic undifferentiated neuroendocrine carcinoma |
| 8 | Lymph node | Merkel cell carcinoma |
| 9 | Lymph node | Metastatic small cell carcinoma (lung primary) |
| 10 | Lymph node | Metastatic small cell carcinoma (unknown primary) |
| 11 | Chest wall mass | Metastatic small cell carcinoma (unknown primary) |
| 12 | Temple mass | Neuroblastoma |