Middle mediastinal thymoma

Thymoma is a common primary neoplasm of the anterior mediastinum. However, it can also arise in other locations, including the neck, the posterior mediastinum, the lung, base of the skull and the pleural cavity. There are only three previous case reports of thymoma located in the middle mediastinum. This report describes a patient together with a review of the literature on middle mediastinal thymoma.