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Insights into Imaging
Fig. 4 | Insights into Imaging

Fig. 4

From: Characteristics and outcomes of anterior mediastinal cystic lesions diagnosed on chest MRI: implications for management of cystic lesions

Fig. 4

Follow-up outcome of 47-year-old female with incidentally detected anterior mediastinal lesion who underwent chest MRI. On chest MRI, a 19 mm unilocular and ovoid anterior mediastinal lesion shows both high signal intensity on coronal T2 (arrowhead, a) and pre-contrast T1-weighted images (arrowhead, b) and no remarkable enhancement on post-contrast T1-weighted image (arrowhead, c). Patient underwent annual follow-up for the anterior mediastinal lesion. Compared to the baseline non-contrast coronal chest CT image (arrowhead, d), the lesion size increase from 15 to 25 mm on follow-up coronal contrast-enhanced chest CT image after 3 years (arrowhead, e). Patient underwent thymectomy, and the gross pathology shows a 25-mm well-defined ovoid cyst with cystic content of mucinous material (f). The pathologic diagnosis was a thymic cyst

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