Mediastinal Mass - Differential Diagnosis Anterior Mediastinal Mass: • Thymus (Thymoma, carcinoma, hyperplasia, cyst) • Lymphoma • Germ Cell tumors: Teratoma, Seminoma, Nonseminoma (GCT, choriocarcinoma, embryonal carcinoma) • Intrathoracic thyroid, Parathyroid adenoma • Vascular (hemangioma), Fat (lipoma/sarcoma), Tissue (fibroma/sarcoma) Middle Mediastinal Mass: • Bronchogenic cysts, Pericardial Cysts • Lymphoma, Sarcoma, Metastatic Lung Cancer • Esophageal Tumors • Vascular Mases Posterior Mediastinal Mass: • Neurogenic Tumors: Neurofibroma, Neurosarcoma, Neuroblastoma, Pheochromocystoma • Thoracic spine lesions (Potts disease) UCSD Internal Medicine @ucsdim #Mediastinal #Mass #Differential #Diagnosis #pulmonary #anterior #middle #posterior
