PMC3619045_01
Chest radiopgraphy on admission.
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Chest radiography showed right pulmonary atelectasis (Figure 1).
Chest CT showing tumor of the right main bronchus (white arrow).
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Chest computed tomography (CT) demonstrated tumor in the right main bronchus (Figure 2).
Endobronchial tumor obstructing the right main bronchus.
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Bronchoscopic examination revealed a pedunculated mass (20x15x8 mm) in the right main bronchus, which was obstructed by the tumor (Figure 3A, 3B).
(A) Micrograph of the endobronchial tumor shows small, round tumor cells. Hematoxylin and eosin (HE) stein. (B) Immunohistochemical staining shows positive results for CD99.
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ESFT (Figure 4A, 4B). EWSFLI1 chimeric transcripts were not identified in the tumor by reverse-transcriptase polymerase chain reaction.