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Fig. 2 | Diagnostic Pathology

Fig. 2

From: Alveolar soft part sarcoma of lung: report of a unique case with emphasis on diagnostic utility of molecular genetic analysis for TFE3 gene rearrangement and immunohistochemistry for TFE3 antigen expression

Fig. 2

Microscopical features of ASPS of the lung. a and b The tumor overall demonstrated an expansile growth pattern with focally infiltrating into the alveolar spaces. c The tumor was composed of nests and alveolus and separated by thin-walled fibrous septa that contained abundant vascular networks and lymhoplasmacytic infiltrations. d-f The tumor cells were large, polygonal to round, and discohesive with voluminous eosinophilic, to pale, to clear cytoplasm. g Pleomorphic nuclei with prominent eosinophilic nucleoli. H: Multinucleation

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Diagnostic Pathology

ISSN: 1746-1596

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