Iris cyst

Iris cyst
		SYMPTOMS	No symptoms
		SIGNS	Raised iris lesion may appear dark without demonstrating transillumination or clear with transillumination
		WORK-UP	Thorough history and slit lamp examination \| UBM (gold standard) or AS-OCT to image lesion
		TREATMENT	Observation with photodocumentation and/or UBM \| Laser treatment (photodisruption and photocoagulation) or surgical excision may be indicated in more advanced cases
		FOLLOW-UP	Frequent follow-ups are rarely necessary.
		ADDITIONAL LAB \| TESTS	None
		ETIOLOGY	Usually idiopathic \| Secondary iris cysts may be caused by trauma or surgery
		DIFFERENTIAL DX	Iris nevus \| Iris melanoma \| Iris melanocytosis \| Iris melanocytoma
		NOTES	Iris cysts can come in the iris pigment epithelial form or iris stromal form