Causes of Different Types of Eyelid Lesions
Inflammatory lesions, such as Chalazion, are marked by localized, chronic swelling of the eyelid. The condition usually affects the meibomian glands. Infection lesions, such as molluscum contagiosum, may be present as waxy and pale nodular cysts. Patients with this type of eyelid lesions are typically young. AIDS patients have a higher incidence of this condition because of their reduced T cell count.
Neoplastic lesions, such as squamous cell papillomas, develop from proliferation of epidermis. Epidermal inclusion cysts may occur as smooth, elevated, and growing cysts. They can arise from entrapment of the epidermal tissue in the dermis. Rupture with release of keratin may cause an inflammatory reaction of the foreign body.
Seborrheic keratosis (SK) is an acquired benign eyelid lesion affecting elderly patients. Actinic keratoses (AK) are eyelid lesions present as scaly and round hyper-keratotic plaques with a rough texture. They are a common type of precancerous skin lesion and usually affect older patients with fair complexion and long-term sun exposure.
Keratoacanthoma eyelid lesions can be present as flesh-colored papules. They are often found on the lower eyelid in patients who have experienced chronic sun exposure. Some immuno-compromised patients may also develop this condition.
Malignant Neoplastic Lesions
Basal cell carcinoma (BCC) represents about 90 percent of malignant neoplasms in the periocular region. This condition occurs primarily in people who are in their middle age or older and may have fair skin. In some cases, it may also occur in African Americans.
Squamous cell carcinoma (SCC) is the second most common type of malignant eyelid lesion. In a majority of cases, this lesion occurs in the lower eyelid. Sun exposure, immune-suppressive drugs, HPV infection, and exposure to radiation or arsenic may cause this malignant lesion.
Oculoplastic surgeon Dr. Jennifer Hui receives patients from Palm Springs, Palm Desert, La Quinta, Coachella Valley, Riverside, Redlands, Yucaipa, Loma Linda, and nearby areas for advanced eye care procedures.
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