Related Experiment Videos
Disseminated eruptive nevocellular nevi
1Department of Dermatology, Yonsei University College of Medicine, Seoul, Korea.
The Journal of Dermatology
|April 1, 1995
Summary
This study documents an unprecedented rapid outbreak of over 2,500 benign nevocellular nevi in a 13-year-old boy. Further research is needed to understand the underlying causes of this extensive nevus development.
Area of Science:
- Dermatology
- Pediatric Dermatology
- Histopathology
Background:
- Nevocellular nevi, commonly known as moles, are benign neoplasms of melanocytes.
- Rapid onset of numerous nevi can indicate underlying conditions, though often benign.
Observation:
- A 13-year-old male presented with a sudden eruption of approximately 2,000 dark brown to black papules on his face and neck.
- An additional 500 lesions appeared on his trunk and upper extremities over a six-month period.
Findings:
- Histopathology confirmed the lesions as junctional nevi, indicating benign proliferation.
- Studies on alpha melanocyte stimulating hormone (MSH), proliferating cell nuclear antigen (PCNA), and epidermal growth factor receptor (EGF/R) were conducted.
- This case represents the highest reported number of nevocellular nevi developing in such a short timeframe without apparent malignant transformation or a clear trigger.
Implications:
- This case highlights a rare, rapid-onset nevus outbreak in an adolescent, prompting further investigation into potential triggers or genetic factors.
- Understanding the biological mechanisms behind this extensive nevus development could offer insights into melanocyte regulation.
- The benign nature of the lesions in this case provides a unique opportunity to study nevus formation without confounding factors of malignancy.