Combined carcinoid tumor and ganglioneuroblastoma of the lung: A case report

Carcinoid tumor is a well-differentiated epithelial neuroendocrine neoplasm which is common in the lung. Ganglioneuroblastoma is a moderately differen tiated nonepithelial neuroendocrine neoplasm which is very rare in the lung . Neuroendocrine tumors with epithelial and nonepithelial elements are rare in any site and have not been reported in the lung. This case is an exampl e of a primary neuroendocrine lung tumor combining epithelial and non-epith elial components: carcinoid tumor and ganglioneuroblastoma.