Question:
What is the characteristic finding of a fungal corneal ulcer?
What is the characteristic finding of a fungal corneal ulcer?
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Look for the feature describing small separate infiltrates orbiting the main ulcer.
Updated On: Jun 23, 2026
- Satellite lesions
- Dendritic ulcer
- Ring abscess
- White hypopyon
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The Correct Option is A
Solution and Explanation
Answer: Satellite lesions.
Step 1: Fungal keratitis (keratomycosis) follows when a fungus invades the cornea after the epithelial barrier is broken, often by vegetative trauma.
Step 2: The fungus spreads within the stroma and seeds small, separate infiltrates around the main ulcer. These multifocal stromal infiltrates are the satellite lesions, the hallmark of fungal keratitis.
Why not the others: A dendritic (branching) ulcer is typical of herpes simplex keratitis. A ring abscess suggests Pseudomonas or Acanthamoeba. A hypopyon can occur in fungal ulcers but is not specific; in fungal cases it tends to be thick and the ulcer has dry, raised, feathery margins.
Ref: EyeWiki, Fungal Keratitis.
Step 1: Fungal keratitis (keratomycosis) follows when a fungus invades the cornea after the epithelial barrier is broken, often by vegetative trauma.
Step 2: The fungus spreads within the stroma and seeds small, separate infiltrates around the main ulcer. These multifocal stromal infiltrates are the satellite lesions, the hallmark of fungal keratitis.
Why not the others: A dendritic (branching) ulcer is typical of herpes simplex keratitis. A ring abscess suggests Pseudomonas or Acanthamoeba. A hypopyon can occur in fungal ulcers but is not specific; in fungal cases it tends to be thick and the ulcer has dry, raised, feathery margins.
Ref: EyeWiki, Fungal Keratitis.
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