A Giant Mature Cystic Teratoma Mimicking a Pleural Effusion

الملخص EN

The vast majority of teratomas originating from more than a single germ layer are benign.

Often, such teratomas are initially asymptomatic.

Later symptoms are caused by the weight per se of the teratoma and include chest pain, cough, dyspnea, and/or recurrent attacks of pneumonia.

A mediastinal teratoma is treated by total surgical resection of the mass.

Here, we report a case of giant mature cystic teratoma mimicking a pleural effusion in the thorax at the 7-month-old female patient with a symptom of persistent pulmonary infection and tachypnea.