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Terrien's disease: clinical and ultrastructural studies, five case reports
Y Pouliquen1, P Dhermy, G Renard
1Department of Ophthalmology, Hotel-Dieu, Paris.
Eye (London, England)
|January 1, 1989
Summary
Terrien's disease is a rare marginal corneal degeneration affecting middle-aged individuals, causing peripheral thinning and severe astigmatism. Microscopic analysis reveals lipid deposits in the corneal stroma without inflammation, consistent with known pathology.
Area of Science:
- Ophthalmology
- Corneal Diseases
- Pathology
Background:
- Terrien's marginal degeneration is a rare, progressive corneal thinning disorder of unknown cause.
- It typically affects middle-aged individuals, leading to peripheral ectasia and irregular astigmatism.
- Inflammatory signs are characteristically absent in this condition.
Observation:
- Microscopic examination of five corneal specimens from penetrating keratoplasty was performed.
- The study focused on anatomical and clinical correlations of the marginal corneal degeneration.
- Key observations included marked stromal thinning and associated lipid deposits in the affected cornea.
Findings:
- The pathological analysis consistently revealed lipid deposits within the corneal stroma of Terrien's disease patients.
- Crucially, no significant inflammatory cell infiltrate was observed in conjunction with these lipid deposits.
- These findings align with previous pathological descriptions of Terrien's disease.
Implications:
- This study reinforces the understanding of Terrien's disease as a non-inflammatory degenerative process.
- The consistent association of lipid deposits with stromal thinning provides insight into the disease's pathogenesis.
- Further research may explore the role of lipids in the progression of marginal corneal degeneration.