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Pulmonary blastoma: presentation of two atypical cases and review of the literature

Departments of ¹ Radiology and ² Pathology, Northern General Hospital, Herries Road, Sheffield S5 7AU, UK

View larger version (127K): [in a new window]   Figure 1. Case 1: Chest radiograph at presentation shows complete opacification of the right hemithorax with contralateral mediastinal shift.

View larger version (119K): [in a new window]   Figure 2. Case 1: Enhanced CT of the thorax showing a large right pleural effusion with contralateral mediastinal shift, mediastinal lymphadenopathy and multiple ring enhancing cystic structures within the pleural cavity.

View larger version (160K): [in a new window]   Figure 3. Case 1: Histological specimen showing highly pleomorphic polygonal cells with pronounced nuclear atypia. (Haematoxylin and eosin stain, magnification x 400).

View larger version (84K): [in a new window]   Figure 4. Case 2: Serial chest radiographs demonstrating (a) the presenting chest radiograph and (b) enlargement of the left pleural effusion 1 month later.

View larger version (53K): [in a new window]   Figure 5. Case 2: Contrast enhanced CT of the thorax showing (a) a left pleural effusion with mediastinal shift and diffuse mediastinal pleural thickening and (b) multiple enhancing pleural cysts with peripheral pleural thickening.