Mediastinal teratoma with pericardial effusion
Dyspnoea, occasional dry cough, chest discomfort for six months. No history of expectoration of sputum, hemoptysis ,fever . No past history of tuberculosis or any other significant medical or surgical history.
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A large well-marginated heterogenous mass lesion of approximate size 11.5*9.5*7.5 cm containing fat, fluid and soft tissue components noted in antero-superior mediastinum. No calcific foci noted within. The lesion abuts arch of aorta, great vessels arising from arch of aorta, left pulmonary artery and anterolateral chest wall without any definite invasion. Also note the pericardial effusion. There is mild enhancement of soft tissue components.
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CT imaging in this patient is consistent with a mediastinal teratoma. Possible rupture should be suspected if there is associated pericardial effusion. The patient underwent FNAC of the lesion which came out to be immature teratoma.