PMC2941597_01
Axial CT image showing a lobulated, soft tissue density mass with calcification and sclerosis, and is seen destroying the rib
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A computed tomography (CT) scan showed a lobulated, extra pleural, soft tissue density, with calcification involving the fifth and sixth ribs, which showed sclerosis and destruction [Figure 1].
Cut surface of the tumor with attached rib
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The tumor was seen involving and encasing all the ribs [Figure 2].
Neoplastic cells rimming haphazardly laid osteoid (H and E, x200)
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Microscopic examination showed a malignant neoplasm composed of pleomorphic, round-to-spindle shaped cells, which were rimming haphazardly - laid tumor osteoid [Figure 3].