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Patient ID
647726
Open Patient
Specimen ID
015-R
Open Specimen
Sample ID
N59
Open Sample
Tumor Grade
High grade or poorly differentiated
Tumor Content
90
%
Necrosis
0
%
Stromal
10
%
Inflammatory Cell
1+ (Low)
Pathology
Notes
Spindle cell sarcoma. No lipoblast identified for definitive diagnosis of liposarcoma (Pt Dx).
The tumor is composed of dense proliferation of elongated oval or spindle shaped cells that are arranged in interlacing bundles and occasional palisades, intercepted by thin capillary septae. The cells have plump pleomorphic hyperchromatic nuclei and amphophilic cytoplasm, associated with many mitosis. No definite lipomatous area or lipoblast is identified. The tumor is positive for Ku80 and moderately positive for S100. A malignant peripheral nerve sheath tumor cannot be ruled out.
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