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KMID : 0357919820160010086
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Korean Journal of Pathology
1982 Volume.16 No. 1 p.86 ~ p.89
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Extraskeletal Ewing's Sarcoma
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Abstract
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Thirsty nine cases of rhabdomyosarcoma and unclassified sarcoma as of January, 1971
to December, 1980 were reviewed. On critical analysis three cartes of soft tissue tumor
resembling Ewing's sarcoma of bone were noted. Primary sites were right orbit, right
popliteal fossa and right buttock. The patients ranged from 5 months to 36 years of age.
These tumors consisted of monotonous tumor cells with round-to-oval nuclei and scant
pale-staining indistinct cytoplasm. The nuclei tad fine dispersed powdery chromatin with
indistinct nucleoli. Glycogen was demonstrated in all cases. According to this analysis
extraskeletal Ewing's sarcoma seemed to be a distinct clinicopathological entity.
Differential diagnoses and histogenesis of extraskeletal Ewing's sarcoma were presented.
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