What are the most common mediastinal lesions?

Intrathoracic hernia, goiter, thymic lesions, neurogenic neoplasms, lymphomas, cysts and germ cell neoplasms, lymphangioma, pancreatic pseudocyst, meningocele and extramedullary hematopoiesis (last 4 are less common) Most frequent in adults: thymic, neurogenic neoplasms and foregut cysts Most frequent in children: neurogenic neoplasms, foregut cysts and lymphoma. Lung cancer and mediastinal lymph node metastasis may present as mediastinal lymphadenopathy Sarcoidosis , silicosis and infectious lymphadenopathy are also possible.