Differential Diagnosis, Congenital Nasopharyngeal Mass (CNM).
Differential Diagnosis, Congenital Nasopharyngeal Mass (CNM).
| Type of Neoplasm | Differential Diagnosis |
|---|---|
| Benign Neoplasm | Adenoid tissue or retention cyst* |
| Aneurysmal bone cyst | |
| Angiofibroma | |
| Antrochoanal polyp* | |
| Ectopic pituitary | |
| Fibrous dysplasia | |
| First branchial pouch cyst* | |
| Giant cell tumor | |
| Hairy polyp* | |
| Hemangioma | |
| Heterotopic brain tissue (e.g. cephalocele, glioma) | |
| Mucocele* | |
| Pleomorphic adenoma | |
| Pyogenic granuloma* | |
| Salivary hamartoma | |
| Sinonasal polyp* | |
| Teratoma (can be malignant) | |
| Thornwaldt cyst* | |
| Malignant Neoplasm | Carcinoma |
| Esthesioneuroblastoma | |
| Hematological malignancies (e.g. lymphoma, leukemia) | |
| Metastases (e.g. neuroblastoma) | |
| Rhabdomyosarcoma |