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Patient ID
287954
Open Patient
Specimen ID
098-R
Open Specimen
Sample ID
H57
Open Sample
Tumor Grade
High grade or poorly differentiated
Tumor Content
70
%
Necrosis
20
%
Stromal
10
%
Inflammatory Cell
1+ (Low)
Pathology
Notes
Small round cell tumor, morphology consistent with PNET/ Ewings Sarcoma. It is composed of sheets of small cells with high nuclear to cytoplasmic ratio. The cytoplasm is scant, eosinophilic. The nuclei are round, with finely dispersed chromatin, and one or more tiny nucleoli. This tumor shows a large area of necrosis and the residual viable cells show a “peritheliomatous” or a perivascular distribution. Rarely, Occasional tumor cells are large with irregular nuclear membrane and prominent nucleoli.
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