PMC3658210_01
A chest X-ray demostrates a large peripheral mass arising from the lateral parts of the left fourth to sixth ribs.
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A chest X-ray (Figure 1) and computed tomography (CT) scan of the chest (Figure 2) showed a large thoracic mass arising from the lateral parts of the left fourth to sixth ribs.
Axial computed tomography (CT) scan at the level of the aortic arch shows an expansile mass with areas of ground-glass attenuation and irregular calcification in left fourth to sixth ribs.
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A chest X-ray (Figure 1) and computed tomography (CT) scan of the chest (Figure 2) showed a large thoracic mass arising from the lateral parts of the left fourth to sixth ribs.
The surgical specimen was a hard, lobulated and partially calcified tumour arising from lateral part of the left fourth to sixth ribs which measured 16 x 11 x 6 cm. The tumor had two components: multiple cysts containing yellowish-serous fluid and solid areas.
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The surgical specimen was a hard, lobulated and partially calcified tumor arising from the lateral part of the left fourth to sixth ribs which measured 16 x 11 x 6 cm (Figure 3).
Histological appearance diagnostic of fibrous dysplasia. The mesenchymal stroma surrounding the dysplastic trabeculae is relatively hypocellular. There is a lack of osteoblastic rimming surrounding the dysplastic trabeculae (hematoxylin and eosin stain, x 200).
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Neither cellular atypia, mitotic figures, nor necrosis were observed (Figure 4).