NEVUS SEBACEOUS
NEVUS SEBACEOUS ICD-10: Q82.570
• This congenital malformation of sebaceous differentiation occurs on the scalp or rarely on the face (Fig. 9-45).
• A hairless, thin plaque, with a characteristic orange color and a pebbly or warty surface that becomes more pronounced with age
• Benign and malignant lesions can grow within nevus sebaceous, such as trichoblastoma, syringocystadenoma papilliferum and BCC.
• Excision is recommended at around puberty for cosmetic reasons and to prevent the occurrence of BCC.
FIGURE 9-45 • Nevus sebaceous In a baby an elevated plaque of orange color and pebbly surface in the preauricular region. Note that the lesion is hairless on the scalp.