8815/3 Solitary fibrous tumor, malignant


Definitions

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

A malignant neoplasm of probable fibroblastic derivation. It is characterized by the presence of atypical round to spindle-shaped cells, increased cellularity, necrotic change and high mitotic activity.



Retroperitoneum and peritoneum
ICD-O-3 topography code: C48
ICD10: C48
           

A malignant neoplasm of probable fibroblastic derivation. It is characterized by the presence of atypical round to spindle-shaped cells, increased cellularity, necrotic change and high mitotic activity.