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Linear congenital Becker nevus
1Department of Dermatology, Hanyang University College of Medicine, Seoul, Korea. romio@hanyang.ac.kr
Cutis
|March 19, 2005
Summary
This study reports a rare case of congenital linear Becker nevus following Blaschko lines, presenting at birth. Hypertrichosis developed later, highlighting a unique presentation of this acquired skin disorder.
Area of Science:
- Dermatology
- Genetics
- Pediatric Medicine
Background:
- Becker nevus is typically an acquired disorder presenting in adolescence.
- It usually appears as a hyperpigmented, hypertrichotic patch on the upper trunk or extremities.
- Congenital and familial cases are rare, with linear patterns being exceptionally uncommon.
Observation:
- A case of congenital linear Becker nevus following Blaschko lines is described.
- The lesion was present at birth on the right shoulder.
- Hypertrichosis became apparent four years after birth.
Findings:
- This case represents a rare congenital and linear variant of Becker nevus.
- The lesion's pattern followed Blaschko lines, suggesting a potential developmental or genetic basis.
- The delayed onset of hypertrichosis is a notable feature.
Implications:
- This case expands the known spectrum of Becker nevus presentations.
- Understanding linear congenital variants may offer insights into nevus development and genetics.
- Further research into Blaschko line-associated nevi is warranted.