Nevus sebaceus of Jadassohn (NSJ) is a benign, congenital hamartoma that often presents at birth, appears to regress in childhood, and grows during puberty, suggesting possible hormonal control. We ...

Her brave boy. Jana Kramer’s 4-year-old son Jace is recovering after undergoing surgery to have a nevus sebaceous birthmark removed. The One Tree Hill alum, 39, shared a photo of her son’s head before ...

Nevus sebaceous is a benign hamartoma first described in 1895 by the German dermatologist Josef Jadassohn (nevus sebaceous of Jadassohn). 1 Studies suggest that causality may be linked to specific ...

Question: My son, who is 5 years old, has a mole on his scalp that he has had since birth. I recently pointed it out to his pediatrician, who called it a nevus sebaceous and said it needs to be ...