Differential Diagnosis for Right Eye with Eyelid Swelling, Redness, and a Little White Bump
- Single Most Likely Diagnosis
- Hordeolum (Stye): This is the most likely diagnosis given the symptoms of eyelid swelling, redness, and a white bump. A hordeolum is an acute, localized infection or inflammation of the eyelid margin involving hair follicles of the eyelashes (external hordeolum) or meibomian glands (internal hordeolum).
- Other Likely Diagnoses
- Chalazion: A chalazion is a small bump on the eyelid due to a blocked oil gland. It presents similarly to a hordeolum but tends to be less painful and may not have the distinct white head.
- Blepharitis: This is an inflammation of the eyelids that can cause redness, itching, and swelling. While it doesn't typically present with a white bump, it can lead to the formation of styes or chalazia.
- Conjunctivitis: Also known as pink eye, this condition can cause redness and swelling of the eye and eyelid. It's usually accompanied by discharge and can be viral, bacterial, or allergic in nature.
- Do Not Miss Diagnoses
- Orbital Cellulitis: This is a serious infection of the tissues surrounding the eye, which can cause swelling, redness, and pain. It requires prompt medical attention to prevent serious complications, including vision loss.
- Preseptal Cellulitis: Similar to orbital cellulitis but less severe, involving the eyelid and skin anterior to the orbital septum. It still requires medical evaluation to differentiate it from orbital cellulitis and to initiate appropriate treatment.
- Rare Diagnoses
- Keratoacanthoma: A rare, benign tumor that can appear on the eyelid, presenting as a firm, round, skin-colored to red bump. It's more common in older adults and in sun-exposed areas.
- Basal Cell Carcinoma: The most common form of skin cancer, which can rarely present on the eyelid. It may appear as a bump, but it's usually not accompanied by significant redness or swelling in the early stages.
- Squamous Cell Carcinoma: Another form of skin cancer that can occur on the eyelid, presenting as a firm, red nodule. It's less common than basal cell carcinoma but more aggressive.