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
