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Nevus of Ota in children
Smeeta Sinha1, Philip J Cohen, Robert A Schwartz
1Dermatology, New Jersey Medical School, Newark, NJ 07103, USA.
Insights
Nevus of Ota, or oculodermal melanosis, is a rare skin condition that can worsen with age. Early laser treatment is recommended to manage this condition and prevent complications.
Area of Science:
- Dermatology
- Ophthalmology
- Genetics
Background:
- Nevus of Ota (oculodermal melanosis) is an uncommon dermal melanosis.
- It is most frequently observed at birth in individuals of Japanese descent but can affect any age or ethnicity.
- The condition tends to persist and enlarge locally, becoming more prominent with age, puberty, and postmenopause.
Purpose of the Study:
- To provide recommendations for the early management of Nevus of Ota in children.
- To highlight the importance of timely intervention to prevent lesion darkening and extension.
- To inform about associated disorders and potential complications.
Main Methods:
- Review of clinical presentation and natural history of Nevus of Ota.
- Discussion of treatment modalities, focusing on laser photothermolysis.
- Analysis of associated conditions, including glaucoma and melanocytosis.
Main Results:
- Early diagnosis and treatment initiation are crucial for managing Nevus of Ota.
- Multiple sessions of laser photothermolysis are effective in preventing lesion progression.
- Associated risks include ipsilateral glaucoma, intracranial melanocytosis, and rare melanomas.
Conclusions:
- Nevus of Ota requires early management, preferably with laser therapy, to prevent worsening.
- Awareness of associated disorders like glaucoma is essential for comprehensive patient care.
- Recommendations are provided for the pediatric management of this condition.
Abstract:
Nevus of Ota, synonymously termed oculodermal melanosis, is an uncommon dermal melanosis most commonly seen at birth in children of Japanese descent, though it can affect individuals of any age or ethnicity. The disease tends to persist and extend locally, becoming increasingly prominent with age, puberty, and postmenopausal state. Treatment should begin early after diagnosis using multiple sessions of laser photothermolysis to avoid darkening and extension of the lesion. Important associated disorders include ipsilateral glaucoma; intracranial melanocytosis; and rarely cutaneous, ocular, or intracranial melanoma. Recommendations are discussed for managing nevus of Ota in children.
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