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An iris tumor is an abnormal growth arising from iris tissue. Tumors may be benign, such as cysts or melanocytomas, or malignant, such as melanoma. People may notice a new spot on the iris or changes in pupil shape. Some tumors raise pressure by blocking fluid flow. Exams track size and behavior to determine treatment.
read more about iris tumor benignmalignant ...Benign tumors may form from pigment cells or cystic changes. Malignant tumors develop from uncontrolled growth of melanocytes. Trauma or inflammation can mimic tumor-like changes. Genetic factors may play a role in some cases. Identifying tumor type guides care.
People may notice a dark or light mass on the iris surface. Pressure may rise if the tumor blocks the angle. Vision may blur when the tumor distorts the pupil. Some tumors shed pigment, causing secondary changes. Symptoms vary widely based on tumor type.
Slit lamp exam shows surface detail and pigmentation. Ultrasound biomicroscopy helps measure depth and borders. Pressure testing checks for angle involvement. Serial photos document growth. Biopsy is used only when the diagnosis cannot be determined by imaging.
Benign tumors are monitored unless they grow or cause pressure changes. Malignant tumors require removal or targeted therapy. Laser treatment may be used in selected cases. Long-term follow-up checks for recurrence. Treatment depends on the tumor's behavior.
No. Many spots are benign and non-tumorous.
Some stay stable; others grow slowly.
Yes. Tumors near the angle can block fluid flow.
Seek care for any new iris mass or rapid change.