______ is characterized by single or multiple dome-shaped, umbilicated, waxy nodules located on the lid caused by a DNA pox virus.

Prepare for the NBEO Ocular Disease Exam Part 1 with our comprehensive test questions. Use flashcards and detailed explanations to understand key concepts and improve your knowledge. Get exam-ready today!

Multiple Choice

______ is characterized by single or multiple dome-shaped, umbilicated, waxy nodules located on the lid caused by a DNA pox virus.

Explanation:
Dome-shaped, umbilicated, waxy lid nodules point to molluscum contagiosum. This condition is caused by a double-stranded DNA poxvirus that infects skin cells, producing smooth, shiny papules with a central dimple. On the eyelid, these lesions can appear singly or in clusters and are often described as waxy and dome-shaped. By contrast, papillomavirus infections produce rough, keratotic warts rather than smooth, waxy nodules; herpes simplex keratitis affects the cornea with characteristic dendritic ulcers; and xanthelasma are yellow lipid plaques on the eyelids, not infectious nodules.

Dome-shaped, umbilicated, waxy lid nodules point to molluscum contagiosum. This condition is caused by a double-stranded DNA poxvirus that infects skin cells, producing smooth, shiny papules with a central dimple. On the eyelid, these lesions can appear singly or in clusters and are often described as waxy and dome-shaped. By contrast, papillomavirus infections produce rough, keratotic warts rather than smooth, waxy nodules; herpes simplex keratitis affects the cornea with characteristic dendritic ulcers; and xanthelasma are yellow lipid plaques on the eyelids, not infectious nodules.

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