Mediastinal bronchogenic cyst with aspiration pneumonia

Case contributed by Mohammad A. ElBeialy
Diagnosis almost certain

Presentation

Chest pain and cough with mild fever.

Patient Data

Age: 5 years

A multi-locular subcarinal posterior mediastinal cystic lesion is seen. It shows low T1 and high T2 signal intensity. The lesion measures 7 X 3.5 X 2.7 cm in its maximal cranio-caudal and axial dimensions. The lesion is seen splaying the carina and abutting the aortic arch and its main vessels. The lesion is splaying and indenting the esophagus right postero-laterally.

Bilateral lower lung lobes’ apical segments as well as left lung upper lobe apico-posterior segment and right lung lower lobe posterior segment subsegmental consolidation with air bronchogram are seen.

Normal heart and great vessels.

No hilar masses or lymph nodal enlargement.

Case Discussion

Subcarinal posterior mediastinal cystic lesion; consistent with bronchogenic cyst with bilateral pulmonary consolidations, suggestive of aspiration pneumonia.

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