Important It is possible that the main title of the report Retinoblastoma is not the name you expected.
Retinoblastoma is an extremely rare malignant tumor that develops in the nerve-rich layers that line the back of the eyes (retina). The retina is a thin layer of nerve cells that sense light and convert it into nerve signals, which are then relayed to brain through the optic nerve. Retinoblastoma occurs most commonly in children under the age of three. The most typical finding associated with retinoblastoma is the reflection of light off a tumor behind the lens of the eye, which causes the pupil to appear white, the so called "cat's eye reflex" (leukokoria). In addition, the eyes may be misaligned so that they appear crossed (strabismus). In some affected children, the eye(s) may become red and/or painful. The presence of a retinoblastoma may cause glaucoma, a condition marked by a rise in the pressure within the eyeball preventing the normal drainage of fluid from the eye and potentially causing characteristic damage to the optic nerve. Retinoblastoma may affect one eye (unilateral) or both eyes (bilateral). Bilateral forms of retinoblastoma are hereditary. In most cases, retinoblastoma occurs spontaneously for no apparent reason (sporadic).
American Childhood Cancer Organization 10920 Connecticut Ave Suite A Kensington, MD 20895 Tel: (301)962-3520 Fax: (301)962-3521 Tel: (800)366-2223 Email: email@example.com Internet: http://www.candlelighters.org
American Cancer Society, Inc. 1599 Clifton Road NE Atlanta, GA 30329 USA Tel: (404)320-3333 Tel: (800)227-2345 TDD: (866)228-4327 Internet: http://www.cancer.org
NIH/National Eye Institute 31 Center Dr MSC 2510 Bethesda, MD 20892-2510 United States Tel: (301)496-5248 Fax: (301)402-1065 Email: firstname.lastname@example.org Internet: http://www.nei.nih.gov/
National Cancer Institute 6116 Executive Blvd MSC 8322 Room 3036A Bethesda, MD 20892-8322 USA Tel: (301)435-3848 Tel: (800)422-6237 TDD: (800)332-8615 Email: email@example.com Internet: http://www.cancer.gov
Institute for Families 4650 Sunset Blvd Mailstop #111 Los Angeles, CA 90027 USA Tel: (323)361-4649 Fax: (323)665-7869 Email: firstname.lastname@example.org Internet: http://www.instituteforfamilies.org
CureSearch for Children's Cancer 4600 East West Highway, Suite 600 Bethesda, MD 20814-3457 USA Tel: (626)447-1674 Fax: (626)447-6359 Tel: (800)458-6223 Email: email@example.com Internet: http://www.curesearch.org
Eye Cancer Network 115 East 61st St, 5th Floor New York, NY 10021 Tel: (212)832-8170 Fax: (212)888-4030 Email: firstname.lastname@example.org Internet: http://www.eyecancer.com
Rare Cancer Alliance 1649 North Pacana Way Green Valley, AZ 85614 USA Tel: (520)625-5495 Fax: (615)526-4921 Internet: http://www.rare-cancer.org
Eye Cancer Foundation 115 East 61st Street, Suite 5B New York, NY 10021 Tel: (212)832-7297 Fax: (212)888-4030 Email: email@example.com Internet: http://eyecancerfoundation.net/index.htm
MUMS National Parent-to-Parent Network 150 Custer Court Green Bay, WI 54301-1243 USA Tel: (920)336-5333 Fax: (920)339-0995 Tel: (877)336-5333 Email: firstname.lastname@example.org Internet: http://www.netnet.net/mums/
Genetic and Rare Diseases (GARD) Information Center PO Box 8126 Gaithersburg, MD 20898-8126 Tel: (301)251-4925 Fax: (301)251-4911 Tel: (888)205-2311 TDD: (888)205-3223 Internet: http://rarediseases.info.nih.gov/GARD/
Madisons Foundation PO Box 241956 Los Angeles, CA 90024 Tel: (310)264-0826 Fax: (310)264-4766 Email: email@example.com Internet: http://www.madisonsfoundation.org
Friends of Cancer Research 1800 M Street NW Suite 1050 South Washington, DC 22202 Tel: (202)944-6700 Email: firstname.lastname@example.org Internet: http://www.focr.org
Cancer.Net American Society of Clinical Oncology 2318 Mill Road Suite 800 Alexandria, VA 22314 Tel: (571)483-1780 Fax: (571)366-9537 Tel: (888)651-3038 Email: email@example.com Internet: http://www.cancer.net/patient
Cancer Support Community 1050 17th St NW Washington, DC 20036 Tel: (202)659-9709 Fax: (202)974-7999 Tel: (888)793-9355 Internet: http://www.cancersupportcommunity.org/
Lance Armstrong Foundation 2201 E. Sixth Street Austin, TX 78702 Tel: (512)236-8820 Fax: (512)236-8482 Tel: (877)236-8820 Email: firstname.lastname@example.org Internet: http://www.livestrong.org
Perkins School for the Blind 175 North Beacon Street Watertown, MA 02472 Tel: (617)924-3434 Fax: (617)926-2027 Email: Info@Perkins.org Internet: http://www.Perkins.org
Childhood Eye Cancer Trust The Royal London Hospital Whitechapel Road London, E1 1BB England Tel: 020 7377 5578 Fax: 020 7377 0740 Email: email@example.com Internet: http://www.chect.org.uk
For a Complete Report
This is an abstract of a report from the National Organization for Rare Disorders (NORD). A copy of the complete report can be downloaded free from the NORD website for registered users. The complete report contains additional information including symptoms, causes, affected population, related disorders, standard and investigational therapies (if available), and references from medical literature. For a full-text version of this topic, go to www.rarediseases.org and click on Rare Disease Database under "Rare Disease Information".
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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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For additional information and assistance about rare disorders, please contact the National Organization for Rare Disorders at P.O. Box 1968, Danbury, CT 06813-1968; phone (203) 744-0100; web site www.rarediseases.org or email firstname.lastname@example.org
Last Updated: 4/14/2008 Copyright 1986, 1987, 1990, 1997, 1998, 1999, 2001, 2002, 2008 National Organization for Rare Disorders, Inc.
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