How is choroidal melanoma detected?

Metastatic choroidal melanoma is typically diagnosed by combinations of physical examination, hematologic surveys, abdominal radiographic imaging (ultrasound, magnetic resonance imaging, computed tomography), and positron emission tomography–computed tomography (PET/CT).

How fast do choroidal melanoma grow?

Like choroidal melanomas, they also may show overlying drusen or lipofuscin (figure 2). Statistically, of every 500 choroidal nevi, one will undergo malignant transformation if followed for 10 years; the estimated annual rate of malignant transformation is one in 8,845. 2.

What is the difference between ocular melanoma and choroidal melanoma?

In most instances, ocular melanomas arise within the choroid. Ocular melanoma arises from cells called melanocytes, which are the cells of the body that produce pigment. Ocular melanoma is a cancerous (malignant) tumor that can potentially spread (metastasize) to other parts of the body, most often to the liver.

What size is a large choroidal melanoma?

Large-sized Choroidal Melanoma: Very large choroidal melanomas (greater than 22 mm width) may be treated by initial removal of the eye (enucleation).

Can choroidal melanoma be cured?

Even though the melanoma is cured and in remission in the eye, life-long systemic monitoring for metastasis is necessary, as metastasis could have occurred before the eye cancer was discovered.

How aggressive is choroidal melanoma?

This is an aggressive type of cancer that can potentially spread to other areas of the body, most often to the liver. Immediate treatment is often necessary. The approach depends on the size and placement of the tumor, and the stage at which it is found.

Can a choroidal melanoma be benign?

The choroidal nevus is a benign melanocytic tumor of the ocular fundus that carries a small risk for transformation into small choroidal melanoma. According to Singh et al,3 it is estimated that the annual rate for malignant transformation of choroidal nevus into melanoma is 1 in 8845.

How long does it take for ocular melanoma to develop?

Approximately 50% of patients with OM will develop metastases by 10 to 15 years after diagnosis (a small percentage of people will develop metastases even later i.e. 20-25 years after their initial diagnosis).

What percentage of choroidal nevus becomes melanoma?

It has been estimated that 6% of the white population harbors a choroidal nevus13 and that 1 in approximately 8000 of these nevi transform into melanoma. Further thought into age-adjusted lifetime risk revealed that by age 80 years, the risk for transformation is 0.78% and the risk would thereafter approach 1%.

Should I be worried about a choroidal nevus?

Should I be worried if I have a choroidal nevus? Choroidal nevi are common and occur in about 5-10% of the population. Even though most nevi do not affect vision or cause any problems, they should still be watched regularly. Just like a skin mole can become cancerous, an eye nevus could do the same.

What are the clinical features of choroidal melanoma?

This review will concentrate on choroidal melanoma. At diagnosis, choroidal melanoma usually appears as a pigmented (85%) tumor underlying the retina with a median basal dimension of 11 mm and a mean thickness of 4.5 mm. The American Joint Committee on Cancer classification allows for categorization and staging of melanoma.

When do you need to be monitored for choroidal melanoma?

If you are treated for choroidal melanoma, you will need to be monitored for the rest of your life. This helps doctors determine whether the cancer has spread to other parts of the body. Treatment of choroidal melanoma that has already spread beyond the eye has had very limited success.

Is it possible to treat choroidal melanoma beyond the eye?

Treatment of choroidal melanoma that has already spread beyond the eye has had very limited success. There is little evidence that radiation or surgery to remove the eye affects the outcome in these cases.

What is the medical history of choroidal melanoma?

Ocular history was remarkable for mild cataract and dry eye syndrome in both eyes. Medical history was significant for severe bipolar disorder with psychosis, dissociative disorder, mood disorder, major depressive disorder, and history of suicidal ideations for which he was under the care of the psychiatric primary care team.