Basal Cell Carcinoma

  • Most common malignant tumor of lid
  • Does not metastasize, but can burrow deep into orbit
  • Squamous carcinoma, sebaceous carcinoma, seborrheic keratosis, wart, chalazion, polyp, keratoacanthoma, skin tag, cutaneous horn, cyst, xanthelasma, nevus, malignant melanoma, Kaposi sarcoma
  • Realize that malignant and benign lid lesions cannot be distinguished by their appearance, so...
  • Refer patients non-urgently for any persistent lump or deformity of lid
  • Refer patients more urgently if lump is growing
  • Any suspicious lesion will undergo biopsy
  • Early detection helps because penetrating lesions need large excisions that may affect appearance and even eye function