Objective: To report two cases of diffuse epithelial downgrowth after clear cornea phacoemulsification and to review the different treatment options for this ominous disease.
Design: Two interventional case reports.
Methods: Retrospective review of two eyes from two different patients in whom epithelial downgrowth developed 7 and 3 months after uneventful clear cornea phacoemulsification. In the first case, the epithelial invasion seemed to be growing from the temporal incision site onto the corneal endothelium toward the visual axis. Cryotherapy was applied to the affected cornea, with control of the growing membrane. A penetrating keratoplasty was performed to restore visual function. In the second patient, the membrane was attached to the iris and posterior cornea and was confirmed by diagnostic argon laser photocoagulation. This case was surgically treated with en bloc excision and a corneoscleral graft.
Main Outcome Measures: Visual acuity at the final follow-up visit.
Results: Surgical treatment of the epithelial downgrowth was different for both patients. In the postoperative period, a best-corrected visual acuity of 20/60 and 20/30 was achieved in each case. No regrowth of the membrane was observed.
Conclusions: Treatment of epithelial downgrowth is controversial. We present two cases of epithelialization of the anterior chamber with either clinical or histologic confirmation after clear cornea sutureless phacoemulsification. Surgical treatment should be attempted promptly to obtain a good visual prognosis.
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http://dx.doi.org/10.1016/s0161-6420(02)01274-5 | DOI Listing |
Ophthalmic Plast Reconstr Surg
January 2025
The Operation Eyesight Universal Institute for Eye Cancer, Ophthalmic Pathology Laboratory, LV Prasad Eye Institute, Hyderabad, India.
A 40-year-old woman presented with a mass in her OS for 2 years. Examination revealed a large conjunctival lesion on the nasal bulbar conjunctiva OS and a small upper tarsal conjunctival lesion in the OD. Biopsy OD revealed inflammatory granulation tissue, and OS revealed pseudoepitheliomatous hyperplasia with granulation tissue.
View Article and Find Full Text PDFBMC Ophthalmol
October 2024
Department of Ophthalmology and Visual Sciences, Prince of Wales Hospital, 30 Ngan Shing Street, Shatin, New Territories, Hong Kong SAR, China.
A 74-year-old Chinese man underwent extracapsular cataract extraction in his right eye and developed a translucent iris membrane 4 months later. He was treated with two intracameral 5-FU injections and membranectomy at 2 weeks apart. At one year following the second membranectomy, the patient maintained a clear cornea without residual or recurrent membrane, an endothelial cell density of 1072 cell/mm, a visual acuity of 20/50 and a normal intraocular pressure.
View Article and Find Full Text PDFGMS Ophthalmol Cases
September 2024
Department of Laboratory Medicine and Pathology, Division of Neuropathology, University of Washington, Seattle, Washington, USA.
Int Med Case Rep J
September 2024
Department of Ophthalmology, Kanazawa University Hospital, Ishikawa, Japan.
Background: Currently, the push-in technique through the corneal tunnel using a blunt-tip spatula is used to insert an artificial corneal endothelium (EndoArt) into the anterior chamber (AC). The device is useful for patients with bullous keratopathy; however, it may be difficult to manipulate the very thin implant through hazy cornea. Unlike DMEK graft, it cannot be stained and the F-mark is faint.
View Article and Find Full Text PDFbioRxiv
September 2024
Centre de recherche du CHU de Québec - Université Laval, axe Oncologie, Québec, Canada.
During embryogenesis, cells arrange into precise patterns that enable tissues and organs to develop specialized functions. Despite its critical importance, the molecular choreography behind these collective cellular behaviors remains elusive, posing a major challenge in developmental biology and limiting advances in regenerative medicine. By using the mouse hair follicle as a mini-organ system to study the formation of bud-like structures during embryonic development, our work uncovers a crucial role for the Rho GTPase regulator ARHGEF3 in hair follicle morphogenesis.
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