Uveal melanoma staging
Uveal melanoma Microchapters |
Diagnosis |
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Treatment |
Case Studies |
Uveal melanoma staging On the Web |
American Roentgen Ray Society Images of Uveal melanoma staging |
Risk calculators and risk factors for Uveal melanoma staging |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]Associate Editor(s)-in-Chief: Simrat Sarai, M.D. [2]
Overview
Staging
Stage | Tumor location | ||||||
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The main (primary) tumor cannot be assessed; information not known | ||||||
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Tumor is only in the iris | ||||||
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The tumor is only in the iris and touches 1/4 or less of the iris | ||||||
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The tumor is only in the iris and touches more than 1/4 of the iris | ||||||
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The tumor is only in the iris and is causing an increase in the eye pressure (glaucoma) | ||||||
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Tumor has grown into the ciliary body or choroid (or both) | ||||||
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Tumor has grown into the ciliary body and/or choroid and is causing glaucoma | ||||||
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Tumor has grown into the ciliary body and/or choroid and into the sclera | ||||||
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Tumor has grown into the ciliary body and/or choroid and into the sclera and is causing glaucoma |
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Tumor extends outside the eyeball |
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TThe part of the tumor that is outside the eyeball is 5 millimeters (about 1/5 of an inch) or less across in size |
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The part of the tumor that is outside the eyeball is greater than 5 millimeters (about 1/5 of an inch) in size |
T categories for iris melanoma:
TX: The main (primary) tumor cannot be assessed; information not known T0: No evidence of a primary tumor T1: Tumor is only in the iris T1a: The tumor is only in the iris and touches 1/4 or less of the iris T1b: The tumor is only in the iris and touches more than 1/4 of the iris T1c: The tumor is only in the iris and is causing an increase in the eye pressure (glaucoma) T2: Tumor has grown into the ciliary body or choroid (or both) T2a: Tumor has grown into the ciliary body and/or choroid and is causing glaucoma T3: Tumor has grown into the ciliary body and/or choroid and into the sclera T3a: Tumor has grown into the ciliary body and/or choroid and into the sclera and is causing glaucoma T4: Tumor extends outside the eyeball T4a: The part of the tumor that is outside the eyeball is 5 millimeters (about 1/5 of an inch) or less across in size T4b: The part of the tumor that is outside the eyeball is greater than 5 millimeters (about 1/5 of an inch) in size