A pre-malignant lesion on the sun-exposed lower lip (actinic cheilitis) that is persistently dry, scaly, and atrophic.
A skin cancer appearing as a pearly papule with telangiectasias, which is much less common on the lip vermilion than squamous cell carcinoma.
Benign, ectopic sebaceous glands appearing as multiple, tiny, yellowish or white papules on the vermilion border of the lips.
A benign tumor of blood vessels that can present as a soft, red or purplish mass on the lip.
A genetic disorder causing multiple, small, red vascular macules and papules (telangiectasias) on the lips and oral mucosa that are prone to bleeding.
A viral infection causing a recurrent cluster of small, painful vesicles ('cold sore' or 'fever blister') on an erythematous base.
A benign, dark brown or black, well-defined macule on the lip, which can be solitary (labial melanotic macule) or multiple.
A pre-malignant, white, thickened patch on the lip or oral mucosa that cannot be scraped off.
Presents on the lips or oral mucosa as violaceous papules or, more commonly, as distinctive white, reticular (lacy) patterns.
A malignant tumor appearing as an asymmetric, irregularly bordered, variably colored, and evolving pigmented lesion on the lip.
A soft, bluish, translucent swelling on the inner surface of the lower lip, caused by a ruptured minor salivary gland duct.
A genetic disorder characterized by dark brown to black macules on the lips, around the mouth, and on the buccal mucosa.
The most common malignancy of the lip, presenting as a crusted, scaly, indurated, and often ulcerated nodule on the sun-exposed lower lip.
A severe drug reaction causing widespread hemorrhagic erosions and crusting of the lips and oral mucosa.
Primary syphilis can present as a single, painless, firm, clean-based ulcer (chancre) on the lip.
A common, benign, soft, dark blue or purple, compressible papule on the sun-exposed lip of an older individual.
A common wart (verruca vulgaris) can present on the lip as a hyperkeratotic, papillomatous growth.
