Abstract

Although intrathoracic neurogenic tumors are not uncommon, particularly in the posterior mediastinum, very few reports concerning the intrathoracic neurilemmoma arising from the vagus nerve have appeared in the past decades. We report on two cases of intrathoracic neurogenic tumors of the vagus nerve. The chest roentgenograms of these two patients demonstrated a mass in the superior mediastinum. The chest computed tomography scan showed well-defined masses in the right superior mediastinum, with homogeneously low attenuation. The post-contrast image demonstrated a relatively heterogeneous enhancement with smooth capsulation. Both patients received a complete excision, and the pathologic reports of neurilemmoma were identical. The tumors exerted a compressive effect on the surrounding mediastinal structures, resulting in Homer's syndrome and chest pain in the first patient, and chronic non-productive cough in the second. Horner's syndrome is not only associated with postoperative complications, but is also a sign of a recurrent neurogenic tumor.

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