Retinoblastoma is a malignant (cancerous) tumor of the retina. The retina is the thin nerve tissue that lines the back of the eye that senses light and forms images. Although retinoblastoma may occur at any age, it most often occurs in younger children, usually before the age of 5 years. The tumor may be in one eye only or in both eyes. Retinoblastoma is usually confined to the eye and does not spread to nearby tissue or other parts of the body. Your child's prognosis (chance of recovery and retaining sight) and choice of treatment depend on the extent of the disease within and beyond the eye

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... Retinoblastoma is a rare type of eye cancer that develops in the retina, which is the part of the eye that detects light and color. Although this disorder can occur at any age, it usually develops in young children.

Most cases of retinoblastoma occur in only one eye, but both eyes can be affected. The most common sign of this disorder is a visible whiteness in the normally black pupil (the part of the eye that lets in light). This unusual whiteness is particularly noticeable in photographs taken with a flash. This sign is called "cat's eye reflex" or leukocoria. Other signs and symptoms of retinoblastoma include crossed eyes or eyes that do not point in the same direction (strabismus); persistent eye pain, redness, or irritation; and blindness or poor vision in the affected eye.

People with the hereditary form of retinoblastoma may also develop a tumor in the brain called pinealoma. Pinealoma develops in the pineal gland, which is located at the base of the skull. The presence of retinoblastoma and pinealoma together is called trilateral retinoblastoma. People with hereditary retinoblastoma also have an increased risk of developing other types of cancer, such as bone cancer (osteosarcoma), later in life. ...

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Retinoblastoma is a cancer of the retina. Development of this tumor is ini ...
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Retinoblastoma
... Retinoblastoma is a malignant tumor on the retina, the light-sensing part of the eye that is located in the back of the eye. This type of cancer can be present in one or both eyes. What causes Retinob...
Source: Cleveland Clinic

Retinoblastoma
... What is retinoblastoma? Retinoblastoma is a malignant (cancerous) tumor of the retina. The retina is the thin nerve tissue that lines the back of the eye that senses light and forms images. Although ...
Source: Cleveland Clinic

   

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