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Prog Retin Eye Res. 2019 Jan;68:144-176. doi: 10.1016/j.preteyeres.2018.09.003. Epub 2018 Sep 19.

New concepts in the diagnosis and management of choroidal metastases.

Author information

1
Department of Ophthalmology, Croix-Rousse University Hospital, Hospices Civils de Lyon, 69317, Lyon, France; UMR-CNRS 5510 Matéis, 69100, Villeurbane, France.
2
Department of Radiation Oncology, Chicoutimi Hospital, Saguenay, QC, Canada.
3
Department of Ophthalmology, Croix-Rousse University Hospital, Hospices Civils de Lyon, 69317, Lyon, France.
4
Department of Ophthalmology, Ocular Oncology Center, E.O. Ospedali Galliera, Genoa, Italy.
5
Department of Ophthalmology, Pasteur II Hospital, 06000, Nice, France.
6
Department of Radiation Therapy, Centre François Baclesse - ARCHADE, Unicaen - Normandie University, 14000, Caen, France. Electronic address: jthariat@gmail.com.

Abstract

The most frequent site of ocular metastasis is the choroid. The occurrence of choroidal metastases has increased steadily due to the longer survival of metastatic patients and the improvement of diagnostic tools. Fundoscopy, ultrasonography, and fluorescein angiography are now complemented by indocyanine green angiography and optical coherence tomography. Choroidal tumor biopsy may also confirm the metastatic nature of the tumor and help to determine the site of the primary malignancy. There is currently no consensus on the treatment strategy. Most patients have a limited life expectancy and for these complex treatments are generally not recommended. However, recent advances in systemic therapy have significantly improved survival of certain patients who may benefit from an aggressive ocular approach that could preserve vision. Although external beam radiation therapy is the most widely used treatment, more advanced forms of radiotherapy that are associated with fewer side effects can be proposed in select cases. In patients with a shorter life expectancy, systemic therapies such as those targeting oncogenic drivers, or immunotherapy can induce a regression of the choroidal metastases, and may be sufficient to temporarily decrease visual symptoms. However, they often acquire resistance to systemic treatment and ocular relapse usually requires radiotherapy for durable control. Less invasive office-based treatments, such as photodynamic therapy and intravitreal injection of anti-VEGF, may also help to preserve vision while reducing time spent in medical settings for patients in palliative care. The aim of this review is to summarize the current knowledge on choroidal metastases, with emphasis on the most recent findings in epidemiology, pathogenesis, diagnosis and treatment.

KEYWORDS:

Choroidal metastases; Ocular oncology; Optical coherence tomography; Radiotherapy; Tumor biopsy

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