Uveal melanom: relativt sällsynt men dödlig cancer - öga

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This layer is very rich in blood vessels, and is pigmented. The pigment in this layer is the same as in our skin. A choroidal nevus is a growth that arises from pigmented cells in the choroid. These are typically benign and are relatively common. The choroid is the layer around the back part of the eye between the retina and the sclera. The choroid tissue has the highest concentration of blood flow in the body.

Choroidal nevi typically appear as brown or brown-grey patches of pigment underneath the retina. Some, like the one pictured here, have small pale yellow or white spots on them, called drusen. Learn more about Choroidal Nevus. Is a choroidal nevus dangerous?

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This pigmented lesion of the caruncle is elevated due to small cysts (similar to lesions in the conjunctiva) with varying brownish pigmentation. Since pigmented lesions of the caruncle carry a risk of developing into a melanoma they should be observed regularly for potential growth. The retinal pigment epithelium (RPE) is a pigmented layer of the retina which can be thicker than normal at birth (congenital) or may thicken later in life. Areas of retinal pigment epithelial (RPE) hypertrophy usually do not cause symptoms.

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A nevus (plural: nevi) can be in the front of your eye, around the iris, or under the retina at the back of the eye. Se hela listan på eyecancer.com What Is A Choroidal Nevus A choroidal nevus is a flat, benign pigmented area that appears in the back of the eye and is basically an eye freckle. If your doctor refers to a lesion in your eye that needs to be tracked, she is most likely talking about a choroidal nevus.

Those are the cells that give the skin its pigment. The eye has a layer of melanocytes behind the retina in the choroid. If a number of melanocytes grow, they can 15 Jul 2012 Associated findings include serous retinal pigment detachment, choroidal neovascularization pigmentary changes and drusen formation.2. Dark gray - brownish pigmented, flat or minimally elevated lesion with slightly of the sensory retina or the RPE; Geographic patches of orange pigment may A choroidal nevus is a benign collection of pigmented cells (melanocytes) in the choroid, the vascular layer that nourishes the outer retina. Choroidal nevi are of patients with melanocytic choroidal tumours the naevus; (D) OCT shows the retina to be slightly detached by a small collection of subretinal fluid Choroidal nevi are benign melanocytic lesions of the posterior uvea.
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A choroidal nevus is a flat, benign and brown-green colored area at the back of the eye, often seen in the pigmented layer beneath the retina called the choroid. A nevus can appear in the eye just like a raised freckle or mole occur on the skin. Choroidal nevus occurs in about 4.6-7.9% of the population. Choroidal nevi are pigmented spots in the back of the eye. They are not something a patient would ever be aware that they had.

Areas of retinal pigment epithelial (RPE) hypertrophy usually do not cause symptoms. They are typically found during routine eye examinations.
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You may have been born with a harmless blemish inside your eye called a Congenital Hypertrophy of the Retinal Pigment Epithelium (CHRPE). This can be confused with a choroidal naevus, but you will not need to be regularly monitored if you have a CHRPE. Under the retina is a pigmented layer called the choroid.

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Most tumours of the retina are extremely rare, the slightly more common ones (such as naevi) being benign. An overview of some of these tumours is provided here. They are all managed by ophthalmologists, usually in specialist or super-specialist centres, depending on the exact type of tumour [ 1 ] .