8920/3 Alveolar rhabdomyosarcoma


Definitions

Connective, subcutaneous and other soft tissues
ICD-O-3 topography code: C49
ICD10: C49
           

A rapidly growing malignant mesenchymal neoplasm. It is characterized by the presence of round cells with myoblastic differentiation and a fibrovascular stroma resembling an alveolar growth pattern. The tumor usually presents in the extremities.