| ORIGINAL HISTOLOGICAL DIAGNOSIS | FINAL DIAGNOSIS AFTER IMMUNOHISTOCHEMISTRY | AGE GROUP (years) | GENDER | TOPOGRAPHY |
|---|---|---|---|---|
| Carcinoma | Neuroendocrine carcinoma | 25-44 | Male | Lymph node |
| Carcinoma | Neuroendocrine carcinoma | 45-64 | Female | Nose |
| Carcinoma | Neuroendocrine carcinoma | 45-64 | Male | Nasopharynx |
| Carcinoma | Neuroendocrine carcinoma | 25-44 | Female | Nose |
| Carcinoma | Neuroendocrine carcinoma | 15-24 | Male | Palate |
| Carcinoma | Neuroendocrine carcinoma | ≥65 | Male | Nasopharynx |
| Carcinoma | Sarcoma | 25-44 | Male | Face/scalp |
| Carcinoma | Sarcoma | 15-24 | Male | Nasopharynx |
| Carcinoma | Sarcoma | 45-64 | Male | Lymph node |
| Carcinoma | Sarcoma | 25-44 | Male | Nasopharynx |
| Carcinoma | Sarcoma | 25-44 | Male | Nose |
| Carcinoma | Sarcoma | 15-24 | Male | Nose |
| Carcinoma | Sarcoma | 45-64 | Male | Nasopharynx |
| Carcinoma | Sarcoma | 45-64 | Female | Maxillofacial bone |
| Carcinoma | Lymphoma | ≥65 | Male | Nasopharynx |
| Carcinoma | Lymphoma | 45-64 | Male | Nasopharynx |
| Carcinoma | Lymphoma | 25-44 | Male | Oropharynx |
| Carcinoma | Lymphoma | ---- | Male | Oropharynx |
| Carcinoma | Lymphoma | 15-24 | Male | Maxillofacial bone |
| Carcinoma | Lymphoma | 45-64 | Male | Nose |
| Carcinoma | Lymphoma | 25-44 | Female | Nasopharynx |
| Carcinoma | Lymphoma | 45-64 | Female | Nasopharynx |
| Carcinoma | Carcinosarcoma | 45-64 | Male | Nasopharynx |
| Sarcoma | Carcinoma | 45-64 | Female | Face/scalp |
| Sarcoma | Lymphoma | 15-24 | Male | Maxillofacial bone |
| Sarcoma | Lymphoma | 25-44 | Male | Maxillofacial bone |
| Lymphoma | Sarcoma | 25-44 | Male | Nose |
| Neuroendocrine carcinoma | Sarcoma | 45-64 | Male | Nasopharynx |