HUNG-DA CHOU , HEINRICH HEIMANN , BERTIL E. DAMATO , RUMANA N. HUSSAIN
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Abstract
Objective
To determine the incidence, risk factors, management, and outcomes of inadvertent scleral perforation during primary choroidal melanoma surgeries.
Design
A retrospective interventional case series from a national ocular oncology referral center.
Subjects
One thousand and eighty-one consecutive patients with choroidal melanoma who underwent primary ruthenium plaque or tantalum fiducial marker implantation surgery between January 2011 and December 2023 were reviewed from a clinical registry.
Intervention
Plaque surgery (n = 697) or marker surgery (n = 684).
Main Outcomes and Measures
Incidence and risk factors of inadvertent intraoperative scleral perforation and the related management and clinical outcomes.
Results
The incidence of scleral perforation was 6/697 (0.86%) for plaque and 1/684 (0.15%) for fiducial marker surgeries. Five of the 7 eyes with perforation had myopia or thin sclera. All perforations occurred between 16.3-17.6 mm from the fovea, corresponding to the equatorial region. Immediate management included cryotherapy (7/7 eyes), wound suturing (2/7 eyes), and intravitreal gas (2/7 eyes). During plaque removal surgery, the original scleral wound was torn open in 2/7 eyes, and scleral buckling was undertaken for the presence of perforation-associated subretinal fluid in 4/7 eyes. After a mean follow-up of 38 months (range, 9-87 months), no retinal detachment was noted, and the visual acuity remained unchanged in 5/7 eyes. All the tumors regressed, and there were no signs of seeding.
Conclusions
The incidence of inadvertent scleral perforation during plaque and fiducial marker implantation was low, and with immediate intervention, the prognosis was favorable. Myopic eyes, eyes with thin sclera, and suturing in the equatorial zone might be the risk factors. During plaque removal, we recommend combined scleral buckling to address perforation-related subretinal fluid and emphasize avoiding traction on the sclera to prevent a second tear. Further prospective studies are needed to understand this complication more comprehensively.
期刊介绍:
The American Journal of Ophthalmology is a peer-reviewed, scientific publication that welcomes the submission of original, previously unpublished manuscripts directed to ophthalmologists and visual science specialists describing clinical investigations, clinical observations, and clinically relevant laboratory investigations. Published monthly since 1884, the full text of the American Journal of Ophthalmology and supplementary material are also presented online at www.AJO.com and on ScienceDirect.
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