Undifferentiated Type Nasopharyngeal Carcinoma With Rare Periportal Lymph Node Metastasis

Nasopharyngeal carcinoma (NPC) is an aggressive Epstein Barr virus (EBV) associated carcinoma accounting for 3.7% of upper aerodigestive tract malignancies. At presentation, most patients (60-72%) demonstrate cervical lymphadenopathy, and 5-11% will have clinically apparent distant metastases, with 78% developing distant metastatic disease within 18 months of presentation. The most common sites for distant metastases are …