Treatment FAQ

when to treatment of choroidal melanoma

by Mozell Satterfield Published 3 years ago Updated 2 years ago
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Once it develops, choroidal melanoma usually keeps growing until it is treated. Treatment is recommended if the tumor is likely to enlarge, cause vision loss, or spread to other organs. Because the causes of choroidal melanoma are not well understood, there is no known way to prevent it.

Patients with a small choroidal melanoma can be treated after their first visit, but since growth helps to prove that the tumor is a cancer, your doctor may suggest “observation” or watching for a small amount of choroidal melanoma growth prior to treatment.

Full Answer

What is the prognosis of choroidal melanoma?

These tumors are almost always unilateral and develop spontaneously or arise from pre-existing nevi. Historically, treatment for choroidal melanoma was enucleation. New therapies have been developed to treat choroidal melanoma and to preserve the eye. Currently, these treatment options include brachytherapy and transpupillary thermotherapy.

What are chemotherapy drugs for melanoma?

Treatment for a small choroidal melanoma in the posterior fundus ranges from observation to several treatment options, including laser photocoagulation, plaque radiation therapy, external beam charged particle radiation therapy, transpupillary thermotherapy, location tumor resection, and enucleation.

Does chemotherapy cure metastatic melanoma?

Risk Factors. The goal of melanoma management is to detect the tumor early so that metastasis is minimized. When the doctor finds a small borderline tumor that could be a benign nevus or a cancerous melanoma, there are risk factors that have been identified and published by the Oncology Service at Wills Eye Hospital, that serve to identify the small melanoma.

What causes amelanotic melanoma?

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How fast does choroidal melanoma grow?

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.Jan 15, 2012

How long does it take ocular melanoma to spread?

There is no known cause, though incidence is highest among people with lighter skin and blue eyes. 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).

How long can you live with choroidal melanoma?

Choroidal melanoma is a disease with a high mortality rate, usually irrespective of the chosen treatment modality. About 30-50% of patients with choroidal melanoma will die within 10 years from diagnosis and treatment. Death is usually secondary to distant metastases, and the risk is greatest in larger tumors.

Can a choroidal melanoma be removed?

Three main goals in treatment of choroidal melanoma are: Destroy or remove the tumor to prevent metastasis, maintain vision, and preserve the eye. Although enucleation and surgical resection are available, most patients in the United States and Europe today are treated with plaque radiation therapy.

How aggressive is choroidal melanoma?

Although rare, melanomas of the conjunctiva tend to be more aggressive than most uveal melanomas. They are more likely to grow into local structures and spread to distant organs like the liver and lungs where the situation can become life-threatening.Jan 26, 2022

Is ocular melanoma a death sentence?

If your doctor catches and treats ocular melanoma (a kind of eye cancer) before it spreads to other organs, you have an 85% chance of being alive five years after diagnosis. If it's metastasized to distant organs (as opposed to nearby lymph nodes, for example), the five-year survival rate drops to 13%.Jan 25, 2021

Can you survive choroidal melanoma?

Choroidal melanoma is the most common type of intraocular melanoma. The 5-year relative survival rate for people with small choroidal melanoma is 84%. The 5-year relative survival rate for people with medium choroidal melanoma is 68%.

Can choroidal melanoma come back?

Conclusion: Current literature suggests the majority of choroidal melanoma recurrences occur within 5 years following treatment. However, this case of recurrence 10 years after brachytherapy emphasizes the importance of life-long ophthalmic care for these patients.Dec 22, 2017

How often does choroidal melanoma metastasize?

The median interval of time from diagnosis of choroidal melanoma to the diagnosis of metastasis was 44.8 months (3.7 years). At 5 years, 10 patients were diagnosed with metastasis (8.3% of irradiation group, 76.9% of patients with metastasis).

What size is a large choroidal melanoma?

Size Category Classification Table for Ciliary Body and Choroid MelanomaThickness (mm)Category6.1 to 9.0243.1 to 6.014Less than 3.014Largest basal diameter (mm)Less than 3.0 mmLarger than 18.0 mm3 more rows

How do you get rid of choroidal melanoma?

Treatment of small choroid melanoma may include the following:Watchful waiting.Plaque radiation therapy.Charged-particle external-beam radiation therapy.Gamma Knife therapy.Thermotherapy.Surgery (resection or enucleation).Jul 23, 2021

What is considered a large choroidal melanoma?

Large choroidal melanomas were defined as 2.0 mm or more in apical height and greater than 16.0 mm in longest basal diameter, or more than 10.0 mm apical height regardless of basal diameter, or greater than 8.0 mm apical height regardless of basal diameter if less than 2.0 mm to the optic disc.Mar 15, 2022

How to treat choroidal melanoma?

However, there are other vision-sparing approaches that offer similar degrees of metastatic and ocular tumor control, such as radiotherapy and surgical resection of the focal tumor. Brachytherapy is often the first choice of treatment in most medical centers. Exoresection involves surgical excision of the tumor through a large scleral opening, another eye-sparing approach. At the time of diagnosis, it is common that the tumor has already undergone micrometastasis to local sites, reducing the effectiveness of enucleation. Some clinicians argue for a dual resection and radiotherapy approach.

What is the most common intraocular malignant tumor?

Choroidal Melanoma is the most common primary intraocular malignant tumor and the second most common intraocular tumor, behind metastases. It is estimated that up to 50% of patients with choroidal melanoma develop metastatic disease, despite successful treatment of the primary tumor.

Is there adjuvant treatment for choroidal melanoma?

There are several methods of treatment for Choroidal Melanoma, however there is no known effective adjuvant systemic therapy to reduce the risk of metastasis. The presence of metastatic disease on initial diagnosis drastically alters treatment and prognosis.

Can choroidal melanoma cause loss of vision?

Though current evidence is inadequate in predicting an accurate prognosis for patients with choroidal melanoma, metastasis of this tumor invariably leads to either loss of vision or the eye itself. There are even a few reports on patients with choroidal melanoma that remain unchanged for years, and others who develop metastatic disease after enucleation for the tiniest melanoma.

What is gene expression profile testing?

Gene expression profile testing is one method to evaluate risk. Though there is no proven survival benefit with early detection of metastases, it can allow for diagnosis of metastases that are treatable with surgery or targeted, local therapies.

How to diagnose choroidal melanoma?

Diagnosis. Most cases of choroidal melanoma are detected during a routine, dilated eye exam. During this exam, an eye specialist (ophthalmologist) dilates the pupils to examine the back of the eye. Most of the time, no other tests are needed. But specialized tests can confirm the diagnosis.

What is the most common site for metastasis?

This can lead to vision loss. The tumors also can spread (metastasize) to other parts of the body. The liver is the most common site for metastasis.

What does it mean when your eyes are blurry?

having blurry vision. seeing spots. seeing flashing lights. having severe eye pain. Having these symptoms doesn't mean you have choroidal melanoma. These symptoms can be caused by other conditions that are more common—and noncancerous. In fact, seeing spots and flashing lights are very common symptoms.

Where does metastasis occur?

The liver is the most common site for metastasis. If it spreads, this cancer can be fatal. Although choroidal melanoma is rare, it is the most common eye cancer in adults. It usually occurs in people who are middle-aged or older. Melanomas usually occur in the skin.

Where does the retina develop?

It develops in the choroid, the sponge-like membrane at the back of the eye between the sclera (the white of the eye) and the retina. (The retina is the light-sensitive structure at the back of the eye. It sends visual information to the brain.) The choroid is rich in blood vessels and supplies nutrients to the retina.

Is it better to have cancer in your eye or the other parts of your body?

The outlook depends on the size of the tumor when it's diagnosed. The prognosis is better if the cancer is contained within the eye and has not spread to other parts of the body.

Can choroidal melanoma spread beyond the eye?

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.

How thick is a choroidal melanoma?

It is estimated that 1 in 5000 to 1 in 8800 choroidal nevi evolve into choroidal melanoma. Most choroidal melanomas are greater than 3 mm in thickness. There remains a gray zone of borderline, possibly at-risk tumors measuring 3 mm or less in thickness.

What is the follow up for melanoma?

Patients with uveal melanoma who have had surgical therapy should have regular systemic follow up examinations by both an ocular oncologist as well as a medical oncologist. The ocular oncologist should monitor the uveal scar for tumor regression and complications of therapy. Following radiotherapy there are complications of radiation retinopathy, papillopathy, cataract, glaucoma, scleral necrosis, and pain.

What is the best treatment for uveal melanoma?

Radiotherapy is still the most widely employed treatment for posterior uveal melanoma. The most commonly employed form of radiotherapy is brachytherapy, using a radioactive plaque. Several years ago, Cobalt 60 plaque was popular. More recently, Iodine-125 and Ruthenium-106 plaques have largely replaced Cobalt-60 at most institutions. Originally, plaque radiotherapy was used for small and medium-sized melanomas located outside the macular region and posterior to the ora serrata. Later, with innovations in radiotherapeutic plan, plaque radiotherapy can be custom designed to treat uveal melanoma at any site within the eye including macular melanoma using a round or notched plaque, juxtapapillary melanoma using a notched plaque, ciliary body melanoma using a round or curvilinear plaque, iris melanoma using a curvilinear plaque, and even extrascleral extension of uveal melanoma. Plaque radiotherapy can also be custom fit to treat small, medium, and even large uveal melanoma up to approximately 12 mm in thickness. Shields and associates found that plaque radiotherapy for large melanoma was effective with satisfactory tumor control, but complications of radiation maculopathy and papillopathy often lead to poor long term vision.

How many Caucasian people have choroidal nevus?

Approximately 6% of the Caucasian population manifests a choroidal nevus. Choroidal nevi are managed by periodic observation. Choroidal nevi often present with overlying retinal pigment epithelial atrophy and drusen signifying a chronic condition. It is estimated that 1 in 5000 to 1 in 8800 choroidal nevi evolve into choroidal melanoma.

What is a coms study?

The Collaborative Ocular Melanoma Study (COMS) was designed to evaluate management of choroidal melanoma in a prospective fashion . The COMS conducted three multicenter trials including: the large choroidal melanoma trial comparing enucleation versus enucleation preceded by external beam radiotherapy, the medium choroidal melanoma trial comparing enucleation versus plaque radiotherapy, and the small choroidal melanoma trial evaluating the natural history of these tumors. In the large tumor trial (>10 mm thickness or >2 mm thickness and >16 mm basal diameter), eyes were randomized to enucleation or external beam radiotherapy preceding enucleation. In that trial, melanoma-related mortality at 5 and 10 years was 28% and 40%, respectively, for patients in the enucleation treatment arm and 26% and 45% in the external beam radiotherapy preceding enucleation treatment arm. The results of the large tumor trial showed no difference in patient survival between enucleation and pre-enucleation radiation groups. In the medium-sized tumor trial (2.5-10mm thickness and basal diameter <16 mm), eyes were randomized to iodine I 125 brachytherapy or enucleation. In this trial, melanoma-related mortality at 5, 10, and 12 years was 10%, 18%, and 21%, respectively, for patients in the brachytherapy treatment arm and 11%, 17%, and 17%, respectively, for those in the enucleation treatment arm. The medium tumor trial showed no difference in patient survival between enucleation and plaque radiotherapy. The small tumor trial showed that small choroidal melanomas managed by observation showed tumor growth in 21% by 2 years and 31% by 5 years. The results of the COMS confirmed numerous previous publications regarding management of choroidal melanoma.

Is there any oral treatment for choroidal melanoma?

Currently there is no effective oral or intravenous medical therapy for ciliary body or choroidal melanoma. There are tumors that are amenable to therapy in the office setting without operating room intervention. These include periodic observation, laser photocoagulation, transpupilllary thermotherapy, and photodynamic therapy.

Can Verrteporfin be used for melanoma?

Photodynamic therapy using verrteporfin has been considered for uveal melanoma but little has been published. One report on 4 patients showed tumor regression for 18 months in one patient, but lack of response or continued growth in 3 patients. Others have emphasized that this is best used with amelanotic choroidal melanoma.

What is the goal of melanoma management?

The goal of melanoma management is to detect the tumor early so that metastasis is minimized. When the doctor finds a small borderline tumor that could be a benign nevus or a cancerous melanoma, there are risk factors that have been identified and published by the Oncology Service at Wills Eye Hospital, that serve to identify the small melanoma. ...

What is the name of the eye cancer that can be found in the iris?

Melanoma can occur in several regions of the eye including the iris, ciliary body, and choroid. These regions are collectively known as the uvea. It typically arises in mid-life in both men and women with no environmental cause, except that it might be more common in arc welders. This tumor can arise from a pre-existent nevus or it can arise de novo, that is without a pre-existing lesion. Melanoma can strike with symptoms of blurred vision, flashing lights, floaters, and rarely pain. Many patients have no symptoms. Melanoma carries a risk for spread (metastasis) to the liver, lung, and skin, so lifelong systemic monitoring is advised. Early treatment of this eye cancer is important to protect from metastasis.

Can melanoma be treated with immunotherapy?

Chemotherapy and immunotherapy regimens (using melanoma vaccine) are used if there is metastasis and they can offer some control. There is new evidence that genetic mutations can affect the patient prognosis. Many centers require the eye to be removed (enucleation) for genetic testing.

Does melanoma spread to the liver?

Melanoma carries a risk for spread (metastasis) to the liver, lung, and skin, so lifelong systemic monitoring is advised. Early treatment of this eye cancer is important to protect from metastasis.

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What Is Choroidal Melanoma?

Symptoms

  • Enucleation has long been considered the mainstay of treatment for medium and large choroidal melanoma. However, there are other vision-sparing approaches that offer similar degrees of metastatic and ocular tumor control, such as radiotherapy and surgical resection of the focal tumor. Brachytherapy is often the first choice of treatment in most med...
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Diagnosis

Expected Duration

Prevention

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Choroidal melanoma is a cancer that affects part of the eye. It develops in the choroid, the sponge-like membrane at the back of the eye between the sclera (the white of the eye) and the retina. (The retina is the light-sensitive structure at the back of the eye. It sends visual information to the brain.) The choroid is rich in blo…
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Treatment

  • This cancer often doesn't cause any symptoms in its early stages. The tumor may grow for some time before the problem becomes noticeable. When symptoms occur, they include 1. having blurry vision 2. seeing spots 3. seeing flashing lights 4. having severe eye pain. Having these symptoms doesn't mean you have choroidal melanoma. These symptoms can be caused by oth…
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When to Call A Professional

  • Most cases of choroidal melanoma are detected during a routine, dilated eye exam. During this exam, an eye specialist (ophthalmologist) dilates the pupils to examine the back of the eye. Most of the time, no other tests are needed. But specialized tests can confirm the diagnosis. These tests include 1. ultrasound.A small probe placed on the eye directs sound waves toward the tum…
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Prognosis

  • Once it develops, choroidal melanoma usually keeps growing until it is treated. Treatment is recommended if the tumor is likely to enlarge, cause vision loss, or spread to other organs.
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Further Information

  • Because the causes of choroidal melanoma are not well understood, there is no known way to prevent it.
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Disease Entity

  • Management and treatment of choroidal melanoma depends on the tumor's size. If the tumor is small, it may simply be monitored. If it grows, treatment would start. Medium and large choroidal melanomas usually are treated with radiation or surgery. Radiation therapy may be given in different ways. Local radiation is delivered via a small, metal, dish-shaped device containing radi…
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Management

  • Get a complete eye exam if you experience any vision changes. Call your doctor right away if you have blurry vision, see spots or flashing lights, have severe eye pain, or experience any loss of sight. You may need immediate care, either at your doctor's office or in an emergency room.
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General Treatment

  • The outlook depends on the size of the tumor when it's diagnosed. The prognosis is better if the cancer is contained within the eye and has not spread to other parts of the body.
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Local Therapy to The Eye

  • Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances. Medical Disclaimer
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Treatment of Metastatic Disease

Complications

Prognosis

Historical Perspectives

Additional Resources

  • Ideally, the best management of uveal melanoma would be to use methods of preventing metastasis in the early stages of the intraocular disease. Unfortunately, there is no current method of achieving this. Nearly half of all patients with uveal melanoma will develop metastatic disease. Uveal melanoma spreads exclusively hematogenously, unless it bec...
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