Fig. 1From: Anterior mediastinal neuroblastoma in an adult: an additional case of a rare tumor in an unusual location with review of the literatureMicroscopic images of the anterior mediastinal neuroblastoma. A. The tumor shows a rim of adipose tissue containing residual thymic tissue with areas of cystic thymic epithelium and prominent lymphoid tissue containing Hassall’s corpuscles. B-C. The tumor is composed of relatively uniform, round cells with scant cytoplasm and small nuclei with inconspicuous nucleoli set within a background of conspicuous neuropilBack to article page