(1) Department of Pathology, Medical College of Wisconsin, Milwaukee, Wisconsin, USA   KeywordsThymomaThymic epithelial neoplasmsAtypical thymomaThymic carcinoma Thymic epithelial neoplasms are the most common primary tumors of the anterior mediastinum….

(1) Department of Pathology, Medical College of Wisconsin, Milwaukee, Wisconsin, USA   KeywordsTeratomaMature teratomaImmature teratomaSeminomaYolk sac tumorChoriocarcinomaEmbryonal carcinomaGerm cell tumor with additional malignant component Germ cell tumors are rare mediastinal…

(1) Department of Pathology, Medical College of Wisconsin, Milwaukee, Wisconsin, USA   KeywordsThymic carcinoidAtypical carcinoidNeuroendocrine carcinomaSmall cell carcinomaLarge cell neuroendocrine carcinomaParaganglioma Neoplastic neuroendocrine proliferations of the mediastinum can originate from…

(1) Department of Pathology, Medical College of Wisconsin, Milwaukee, Wisconsin, USA   KeywordsGanglioneuromaGanglioneuroblastomaNeuroblastomaPeripheral nerve sheath tumorsSchwannomaNeurofibromaMalignant peripheral nerve sheath tumorMalignant schwannomaPrimitive neuroectodermal tumor Neurogenic tumors of the mediastinum are relatively…

(1) Department of Pathology, Medical College of Wisconsin, Milwaukee, Wisconsin, USA   KeywordsCongenital and acquired thymic cystsDevelopmental cystsThymic hyperplasiaMediastinitisEctopic thyroid and parathyroidThymolipomaCastleman’s disease A variety of reactive, developmental, inflammatory, and…