NCIt definition : A morphologic variant of dermatofibrosarcoma protuberans that is most often seen in
childhood and is characterized by the presence of spindle-shaped fibroblastic cells,
a storiform growth pattern, numerous multinucleated giant cells, wide vessel-like
spaces, and extensive myxoid change.;
Alternative definition : NCI-GLOSS: A rare type of soft tissue tumor marked by painless nodules in the dermis
(the inner layer of the two main layers of tissue that make up the skin) and subcutaneous
(beneath the skin) tissue. These tumors may come back after surgery, but they do not
spread to other parts of the body. They occur mostly in boys and are related to dermatofibrosarcoma
protuberans.;