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Isolated systematized nevus Unius Lateris: a case report.
Rima Alhalabi1, Youlla Oun1, Kinda ALshawa1
1Department of Dermatology and Venereology, Damascus University, Damascus, Syria.
Oxford Medical Case Reports
|May 24, 2024
Summary
Nevus unius lateris, a rare skin condition, typically affects one side of the body. This case highlights a rare systematized variant with bilateral head and neck involvement, notably without systemic issues.
Area of Science:
- Dermatology
- Genetics
- Congenital Disorders
Background:
- Nevus unius lateris is a rare congenital cutaneous hamartoma.
- It is considered a verrucous variant of epidermal nevus.
- Typically affects one body part, rarely the head and neck.
Observation:
- A 7-year-old male presented with systematized nevus unius lateris.
- The condition showed bilateral involvement of the head and neck.
- No associated comorbidities or systemic involvement were noted.
Findings:
- This case represents a rare presentation of nevus unius lateris.
- The bilateral head and neck involvement is unusual.
- Absence of epidermal nevus syndrome comorbidities is noteworthy.
Implications:
- This case expands the understanding of nevus unius lateris presentations.
- Highlights the importance of thorough examination even in rare variants.
- Contributes to the literature on systematized epidermal nevi without systemic complications.

