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Case of non-returnable subconjunctival orbital fat prolapse on the glaucoma filtration surgery side Reo Sueno 1 , Kenji Nakamoto 1 , Ryuji Ohashi 2 , Yuji Nemoto 1 , Fumiki Okamoto 1 1Department of Ophthalmology, Nippon Medical School 2Department of Diagnostic Pathology, Nippon Medical School pp.367-373
Published Date 2025/3/15
DOI https://doi.org/10.11477/mf.037055790790030367
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Abstract Purpose:This report presents a case wherein the irreducibility of a subconjunctival orbital fat hernia(hereafter referred to as a hernia)occurred on the side of the filtration surgery in a patient with bilateral hernias.

Case:A 61-year-old male presented with normal-tension glaucoma and bilateral hernias. As the visual field defects progressed in the left eye, trabeculectomy with mitomycin C was performed in the superior nasal quadrant, separated from the superior temporal hernia in the same eye. Postoperatively, the hernia adhered to the filtration bleb, which became irreducible and enlarged, restricting the ocular movement. Suspecting a tumor, the hernia was excised while preserving the filtration bleb. Postoperatively, the intraocular pressure in the left eye increased slightly, however, no ophthalmoscopic changes in the bleb were observed, and ocular movement returned to normal. Pathological analysis of the excised tissue revealed nonspecific inflammation in the adipose tissue and fat capsule, with no evidence of a tumor.

Conclusion:Enlargement and irreducibility of the left-sided hernia were predominantly caused by eye massage and postoperative scarring following filtration surgery. In patients with glaucoma and coexisting hernias undergoing filtration surgery, careful attention is necessary during surgery and postoperative management.


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電子版ISSN 1882-1308 印刷版ISSN 0370-5579 医学書院

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