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Updated: Feb 10, 2026
06:56
A System for Culturing Iris Pigment Epithelial Cells to Study Lens Regeneration in Newt
Published on: June 22, 2011
12.2K
Advanced Midzonal Iris Pigment Epithelial Cyst Managed by Aspiration Deflation
Jerry A Shields1, Samuel J Fallon1, Charlotte Nelle Shields1
1Ocular Oncology Service, Wills Eye Hospital, Thomas Jefferson University, Philadelphia, PA, USA.
Ocular Oncology and Pathology
|May 17, 2018
Summary
Midzonal iris pigment epithelial (IPE) cysts can mimic serious conditions but are often benign. This case demonstrates successful visual recovery after translimbal aspiration of a symptomatic, enlarging IPE cyst.
Area of Science:
- Ophthalmology
- Medical Imaging
- Surgical Techniques
Background:
- Iris pigment epithelial (IPE) cysts, specifically midzonal (retroiridic) cysts, can clinically resemble ciliary body melanoma.
- These cysts are frequently asymptomatic and do not necessitate treatment.
Purpose of the Study:
- To report a case of a symptomatic midzonal IPE cyst that enlarged over time.
- To describe the management of a visually impairing IPE cyst with translimbal aspiration.
Main Methods:
- A 37-year-old woman with a presumed iris mass underwent examination, revealing a midzonal IPE cyst.
- After 4 years of observation, progressive visual loss and cyst enlargement led to translimbal fine needle aspiration deflation.
Main Results:
- The aspiration successfully deflated the cyst, resolving lens subluxation and restoring visual acuity to 20/20.
- Visual acuity remained stable for 3 years post-procedure without cyst recurrence.
Conclusions:
- While most midzonal IPE cysts are asymptomatic, this case highlights the potential for enlargement and visual compromise.
- Translimbal aspiration is an effective, less invasive treatment option for symptomatic midzonal IPE cysts compared to surgical excision.
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