J Korean Ophthalmol Soc.  2016 Jan;57(1):145-149. 10.3341/jkos.2016.57.1.145.

Treatment of Recurred Iris Cyst with Laser Photocoagulation and Cystotomy

Affiliations
  • 1Department of Ophthalmology, Ajou University School of Medicine, Suwon, Korea. chrisahn@ajou.ac.kr

Abstract

PURPOSE
To report a case of recurred iris cyst 11 years after treatment with endodiathermy, which was treated with laser photocoagulation and cystotomy followed by intraocular pressure elevation and underwent anterior chamber irrigation.
CASE SUMMARY
A 46-year-old female presented to our department with decreased vision in her left eye that had persisted for several months. The patient had a history of surgical removal of an iris cyst with endodiathermy 11 years ago. Slit lamp examination showed an iris cyst adjacent to the nasal corneal limbus. The cyst was filled with turbid fluid. It distorted the pupil and threatened visual axis. Iris cystotomy (diameter larger than 500 microm) was done with diode laser photocoagulation and a neodymiumdoped yttrium aluminium garnet laser. At the same day, the patient's intraocular pressure elevated to 50 mm Hg in spite of maximal conservative treatment and went through anterior chamber irrigation. After six months, the iris cyst was adhered to corneal endothelium and disappeared. Visual acuity and intraocular pressure was within normal range.
CONCLUSIONS
An iris cyst can recur after treatment with endodiathermy. Recurred iris cyst can be successfully treated with laser photocoagulation and cystotomy. However, turbid fluid inside the cyst may outflow to the anterior chamber and cause secondary ocular hypertension after treatment, so careful observation is needed.

Keyword

Cystotomy; Laser photocoagulation; Recurred iris cyst; Secondary ocular hypertension

MeSH Terms

Anterior Chamber
Axis, Cervical Vertebra
Cystotomy*
Endothelium, Corneal
Female
Humans
Intraocular Pressure
Iris*
Lasers, Semiconductor
Light Coagulation*
Limbus Corneae
Middle Aged
Ocular Hypertension
Pupil
Reference Values
Visual Acuity
Yttrium
Yttrium

Figure

  • Figure 1. Treatment of primary iris cyst with endodiathermy. (A) A primary iris cyst was discovered in September 1996. (B) As the iris cyst proliferated and extended, it distorted and threatened the visual axis in December 2002. (C) Postoperative finding at 4 months after removal of the iris cyst with endodiathermy.

  • Figure 2. Treatment of recurred iris cyst with diode laser. (A) Photograph showing iris cyst before laser treatment. (B) Corneal en-dothelial cell count before laser treatment. (C) Photograph taken 6 months after laser treatment. Iris cyst is adhered to the corneal endothelium and shrunken. (D) Corneal endothelial cell count 2 months after laser treatment.


Reference

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