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Is it really descemetocele? Morphology of extremely thin membrane that remained after severe corneal melting: a case report
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Is it really descemetocele? Morphology of extremely thin membrane that remained after severe corneal melting: a case report
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Journal Article
Is it really descemetocele? Morphology of extremely thin membrane that remained after severe corneal melting: a case report
2025
Overview
The aim of this study was to report transmission electron microscopic findings of a case with whole corneal descemetocele following infective corneal ulcer for the first time in literature. A 72-year-old male patient presented with infective corneal ulcer. After resolution of the infection, corneoscleral transplantation was performed. The excised very thin corneal membrane was processed for transmission electron microscopic examination. Transmission electron microscopic examination of the specimen revealed many layered structures that consisted of two different types of cells. The first type consisted of lighter staining polygonal cells, while the second consisted of elongated cells with relatively dense staining. All cells were connected with a large number of gap or adherens junctions with intercalation of the cell membranes of adjacent cells. A haphazard distribution of cytoplasmic microfilaments were also observed in all of the cell types. There was no evidence of the presence of endothelial cells throughout the specimen. There was also no evidence of Descemet membrane presence except for a small part adjacent to iris tissue that contained some melanosomes. Although we clinically diagnosed descemetocele, Descemet membrane was not present at the electron microscopic level, and thus, the expression “descemetocele” is inappropriate.
Publisher
Springer Nature Singapore,Springer Nature B.V
