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Related Experiment Videos

Idiopathic bilateral lipid keratopathy.

E Alfonso1, L Arrellanes, S A Boruchoff

  • 1Cornea Service, Massachusetts Eye and Ear Infirmary, Boston.

The British Journal of Ophthalmology
|May 1, 1988
PubMed
Summary

This study reports a rare case of bilateral symmetrical corneal lipid infiltrates in a 52-year-old man. Histopathology confirmed extensive lipid deposits within the cornea, suggesting a localized metabolic abnormality.

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Area of Science:

  • Ophthalmology
  • Histopathology
  • Biochemistry

Background:

  • Corneal lipid infiltrates can impair vision and indicate underlying metabolic issues.
  • Idiopathic corneal lipid deposition is uncommon, especially without systemic disease.

Observation:

  • A 52-year-old male presented with asymptomatic, bilateral, symmetrical lipid infiltrates in the cornea and limbus.
  • The affected cornea was rigid, thickened, and showed posterior bulging.

Findings:

  • Light microscopy revealed deep corneal lipid granules, foamy histiocytes, vascularization, and inflammation.
  • Electron microscopy identified extracellular lipid spaces and intracytoplasmic lipid vacuoles in various corneal and conjunctival cells.
  • Histochemical analysis confirmed the presence of neutral fats, free fatty acids, cholesterol, and phospholipids.

Implications:

  • This case highlights a unique presentation of corneal lipidosis requiring detailed histopathological analysis.
  • Understanding the specific lipid composition may offer insights into localized lipid metabolism in the ocular tissues.
  • Further research is needed to elucidate the pathogenesis of such idiopathic corneal lipid infiltrates.

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