Differential Diagnosis for a Bump in the Labia of the Vagina
Single Most Likely Diagnosis
- Bartholin's cyst: This is a common condition where a cyst forms on the labia, typically due to a blocked Bartholin's gland. It's often painful and can become infected, leading to an abscess.
Other Likely Diagnoses
- Folliculitis: An inflammation of the hair follicles in the labial area, which can cause bumps or pustules.
- Ingrown hair: A condition where hair grows back into the skin, causing inflammation, redness, and a bump.
- Vulvar acne: Acne can occur on the labia, causing bumps, pimples, or cysts.
- Molluscum contagiosum: A viral infection that causes small, pearly, or flesh-colored bumps on the skin.
Do Not Miss Diagnoses
- Squamous cell carcinoma: A type of skin cancer that can present as a bump or lesion on the labia. Although rare, it's crucial to rule out due to its potential severity.
- Genital herpes: A viral infection that can cause painful blisters or bumps on the labia.
- Syphilis: A bacterial infection that can cause a painless bump or chancre on the labia in its primary stage.
Rare Diagnoses
- Vulvar melanoma: A rare type of skin cancer that can present as a bump or lesion on the labia.
- Hidradenoma papilliferum: A rare, benign tumor that can occur on the labia.
- Vulvar lymphangioma: A rare, benign condition that can cause bumps or lesions on the labia due to abnormal lymphatic vessels.