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Neuroblastoma - Overview

Definition of Neuroblastoma:

Neuroblastoma is a malignant (cancerous) tumor that develops from nerve tissue. It occurs in infants and children.

Causes, incidence, and risk factors:

Neuroblastoma can occur in many areas of the body. It develops from the tissues that form the sympathetic nervous system (the part of the nervous system that controls body functions, such as heart rate and blood pressure, digestion, and levels of certain hormones).

Most neuroblastomas begin in the abdomen in the adrenal gland or next to the spinal cord, or in the chest. They may also start in other areas. Neuroblastomas can spread to the bones (face, skull, pelvis, shoulders, arms, and legs), bone marrow, liver, lymph nodes, skin, and around the eyes (orbits).

The cause of the tumor is unknown. Neuroblastoma is most commonly diagnosed in children before age 5. The disorder occurs in approximately 1 out of 100,000 children and is slightly more common in boys.

In most patients, the neuroblastoma has already spread when it is first diagnosed.

  • Reviewed last on: 12/28/2010
  • Yi-Bin Chen, MD, Leukemia/Bone Marrow Transplant Program, Massachusetts General Hospital. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

References

Dome JS, Rodriguez-Galindo C, Spunt SL, Santana VM. Pediatric Solid Tumors. In: Abeloff MD, Armitage JO, Niederhuber JE, Kastan MB, McKenna WG, eds. Clinical Oncology. 4th ed. Philadelphia, Pa; Churchill Livingstone Elsevier; 2008:chap 99.

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