Iris Melanoma
- Brown pigmented mass on iris
- Low-grade malignancy
- Not associated with melanoma of skin or other tissues
- Iris freckle—layer of melanocytes present at birth and not enlarging
- Iris nevus—mounds of melanocytes present at birth and not enlarging very much
- Lisch nodule—small light brown non-enlarging hamartomas found in neurofibromatosis type 1
- Granuloma of sarcoidosis—inflammatory mound located at iris margin or mid-iris region
- Refer non-urgently if patient has new visual symptoms or thinks lesion new or growing
- Lesion suspicious for melanoma will be biopsied
- Metastasis very rare unless lesion extends into ciliary body
