Fig. 3

Histopathologic photomicrographs of the specimen demonstrating a predominant mature component (a) with a differentiated mature tissue component, including cystic respiratory and enteric epithelium and cartilage (b). The immature part consisted of primitive neuroblast-like cells forming a neuroepithelial rosette embedded in a hypercellular stroma (c). (Original magnification, × 100; hematoxylin-eosin stain)