Diagnóstico infrecuente de masa quística intratorácica / Ususual intrathoracic cystic mass diagnosis

A case of intrathoracic gossypiboma following a surgical technique of repair persistent arteriosus duct since 11 years before in 17-year-man; was still asymptomatic. The chest Rx was localized the cyst mass in the left costophrenic side. CT scan was seen as a heterogeneous cyts mass with calcified periphery. In the surgical session, purulent liquid intracavitary was seen. The cultures were negative. A gossypiboma ( retained surgical sponge of cotton) was removed. 15 postoperative day was seen without residual cavitation. This asymptomatic intrathoracic cyst mass do to thought in gossypiboma if exist the background of previous thoracic surgical operation though exist suspicion of hydatid disease