The biology of metastases in pediatric sarcomas

Kartik Krishnan, Chand Khanna, Lee J. Helman

Research output: Contribution to journalReview articlepeer-review

34 Scopus citations


In the treatment of pediatric solid tumors, the presence or development of metastatic disease carries a universally poor prognosis. In fact, most cancer deaths result from metastases rather than primary tumor growth. Although the poor outcome associated with metastatic disease has been known for some time, an understanding of the processes that allow a cancer to disseminate is only now beginning to be understood. In order for a cancer to spread beyond its local site, a complex series of events must be undertaken that must allow the cancer not only to travel into and through the circulation but also prevent elimination of these cells by the host, as well as promote growth at the metastatic site. This review presents a current model of these processes. Some of the key molecular factors influencing their development are outlined in the context of this model. We present recent advances in our understanding of metastases, especially as they relate to experimental therapies and possible molecular targets of future therapies. Finally, we discuss progress being made in our ability to study metastases and expectations for the future.

Original languageEnglish (US)
Pages (from-to)306-313
Number of pages8
JournalCancer Journal
Issue number4
StatePublished - Jul 1 2005


  • Metastasis
  • Models
  • Sarcoma

ASJC Scopus subject areas

  • Oncology
  • Cancer Research


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