PMC5553134_01
Chest radiograph revealed lesion on the right seventh rib (arrow).
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November 2007 (Figure 1). No abnormality was found in the physical examination.
Chest computed tomography scan showed the localized expansive and heterogeneous growth of the tumor projecting toward the thoracic cavity (arrow).
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Computed tomography (CT) demonstrated a localized mass, measuring 65.0x45.0 mm, expansile with disrupted cortex and coarse trabeculae with a "honeycomb" appearance along the inner surface of the right seventh posterior rib (Figure 2).
Emission Computed Tomography showed radionuclide uptake on the right seventh posterior rib (arrow).
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Emission Computed Tomography (ECT) showed radionuclide uptake on the right seventh posterior rib (Figure 3).
A Microscopic examination revealed thin walled and dilated blood vessels containing red blood cells and bone trabeculae (HEx100).. B Microscopic examination revealed homogeneous conglomerate, irregular, thin walled and dilated blood vessels containing red blood cells, supported by fibrous stroma, and intermingled to regular bone trabeculae (HEx200).Green arrow: blood vessels containing red blood cells. Black arrow: bone trabeculae. Blue arrow: homogeneous conglomerate. Red arrow: fibrous stroma.
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Microscopic examination showed that the tumor was composed of a homogeneous conglomerate, irregular, thin walled and dilated blood vessels containing red blood cells, supported by fibrous stroma, and intermingled with regular bone trabeculae (Figure 4).