Undifferentiated Embryonal Sarcoma



Undifferentiated Embryonal Sarcoma


Hanlin L. Wang, MD, PhD









Gross photograph shows a well-demarcated liver mass with a compressed pseudocapsule. The cut surface is variegated with admixed solid areas and a large area of yellow necrosis image.






UES contains scattered pleomorphic and multinucleated tumor cells loosely distributed in a myxoid matrix. Note the presence of entrapped hepatocytes image and a bile duct image.


TERMINOLOGY


Abbreviations



  • Undifferentiated embryonal sarcoma (UES)


Synonyms



  • Embryonal sarcoma


  • Undifferentiated sarcoma


  • Malignant mesenchymoma


Definitions



  • Malignant tumor of liver composed of primitive mesenchymal cells with partial, divergent differentiation

Jul 7, 2016 | Posted by in PATHOLOGY & LABORATORY MEDICINE | Comments Off on Undifferentiated Embryonal Sarcoma
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