The most common posterior mediastinal mass is: (A) Neurogenic tumor, (B) Lymph nodes, (C) Neurogenic parasitic cyst, (D) Teratoma
Answer is A. The posterior mediastinum contains the following structures: sympathetic ganglia, nerve roots, lymph nodes, parasympathetic chain, thoracic duct, descending thoracic aoa, small vessels and the veebrae. Most masses in the posterior mediastinum are neurogenicnature Ref Davidson 23rd edition pg 580