Vision Information - Eyelid and Oribtal Tumors
Tumors generally are classified as either benign or malignant. Usually benign tumors remain localized, while malignant tumors tend to spread into the surrounding and adjacent structures. The eye socket, eye muscles, eyeball, optic nerve, fat and tissues can be affected by a tumor.
Basal cell carcinomas make up 85 to 95 percent of all malignant eyelid tumors, the most common location being the inner portion of the lower eyelid, particularly in the elderly and fair-skinned people.
The nodular variety is one of the most common basal cell carcinomas. It appears as a raised pearly bump with tiny blood vessels. Some lashes may be missing if the bump is in the eyelash area.
Although this type of tumor is malignant, they rarely spread elsewhere in the body.
Squamous cell carcinoma is the second most common type of eyelid tumor, with location the same as the basal cell type.
This tumor also materializes as a raised bump and can lead to loss of eyelashes in the affected area. If treated early, the prognosis for these tumors is excellent but, if neglected, the cancer can spread to the lymph nodes in the neck.
Sebaceous cell carcinoma starts in the eyelid glands of the elderly. Although rare, they are highly malignant and can come back after removal to invade the eye socket or spread to lymph nodes. They're also not easy to diagnose as they look like an eyelid sty.
Malignant melanoma makes up only 1% of all cancerous eyelid tumors but accounts for many of the deaths caused by the cancer. Any areas of skin undergoing a noticeable change in color should be checked out.
Orbital tumor: the orbit is the bony socket housing the eye and all related parts. Symptoms of an orbital tumor include bulging eyeball, visual loss, double vision or pain.
There are a variety of orbital tumors: