
Site: Back
Diagnosis: Halo nevus
Sex: M
Age: 17
Type: Dermlite Non Polarised
Submitted By: Wynn Hlaing
Description: dermoscopy
History:
17 year old young adult with multiple naevi.He has few halo naevi on his trunk.He spends most of free time surfing and swimming.
Pathogenesis of regression could be from many causes:
Immunogenic(halo phenonmenon),physiologic(involution),iatrogenic(traumatised nevus) and pathologic(melanoma).