Juvenile Pilocytic Astrocytoma
National Organization for Rare Disorders, Inc.
It is possible that the main title of the report Juvenile Pilocytic Astrocytoma is not the name you expected. Please check the synonyms listing to find the alternate name(s) and disorder subdivision(s) covered by this report.
Juvenile pilocytic astrocytoma (JPA) is a rare childhood brain tumor. In most cases, the tumor is a benign, slow growing tumor that usually does not spread to surrounding brain tissue. Symptoms of a JPA will vary depending upon the size and location of the tumor. Most symptoms result from increased pressure on the brain and include headaches, nausea, vomiting, balance problems and vision abnormalities.
A JPA develops from certain star-shaped brain cells called astrocytes. Astrocytes and similar cells form tissue that surrounds and protects other nerve cells found within the brain and spinal cord. Collectively, these cells are known as glial cells and the tissue they form is known as glial tissue. Tumors that arise from glial tissue, including astrocytomas, are collectively referred to as gliomas.
Astrocytomas are classified according to a grading system developed by the World Health Organization (WHO). Astrocytomas come in four grades based upon how fast the cells are reproducing and that likelihood that they will spread (infiltrate) nearby tissue. Grades I or II astrocytomas are nonmalignant and may be referred to as low-grade. JPA are Grade I tumors and, unlike the low grade astrocytomas of adults, rarely up-grade and become malignant. Grades III and IV astrocytomas are malignant and may be referred to as high-grade astrocytomas. Anaplastic astrocytomas are grade III astrocytomas. Grade IV astrocytomas are known as glioblastoma multiforme.
American Brain Tumor Association
8550 W. Bryn Mawr Avenue, Suite 550
Chicago, IL 60631
American Childhood Cancer Organization
10920 Connecticut Ave
Kensington, MD 20895
American Cancer Society, Inc.
250 Williams NW St
Atlanta, GA 30303
National Cancer Institute
6116 Executive Blvd Suite 300
Bethesda, MD 20892-8322
Children's Brain Tumor Foundation
274 Madison Avenue, Suite 1004
New York, NY 10016
Brain Tumor Foundation for Children, Inc.
6065 Roswell Road Suite 505
Atlanta, GA 30328-4015
Rare Cancer Alliance
1649 North Pacana Way
Green Valley, AZ 85614
Genetic and Rare Diseases (GARD) Information Center
PO Box 8126
Gaithersburg, MD 20898-8126
PO Box 241956
Los Angeles, CA 90024
Pediatric Brain Tumor Foundation
302 Ridgefield Court
Asheville, NC 28806
98 Random Farms Drive
Chappaqua, NY 10514
Cancer Support Community
1050 17th St NW Suite 500
Washington, DC 20036
Lance Armstrong Foundation
2201 E. Sixth Street
Austin, TX 78702
National Brain Tumor Society
55 Chapel Street
Newton, MA 02458
Tel: (800) 770-8287
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It is possible that the title of this topic is not the name you selected. Please check the Synonyms listing to find the alternate name(s) and Disorder Subdivision(s) covered by this report
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Last Updated: 10/22/2007
Copyright 2007 National Organization for Rare Disorders, Inc.
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