Differential Diagnosis for Skin Bumps on the Scrotum
- Single Most Likely Diagnosis
- Folliculitis: This is an inflammation of the hair follicles, which can occur anywhere on the body, including the scrotum. It's often caused by bacterial or fungal infections and can present as small, itchy bumps.
- Other Likely Diagnoses
- Eczema/Dermatitis: Eczema or dermatitis can cause skin bumps and is common in areas like the scrotum. It's characterized by itchy, inflamed skin and can be due to allergic reactions or irritants.
- Seborrheic Keratoses: These are benign growths that can appear as bumps on the skin, including the scrotum. They are more common with age and have a waxy or wart-like appearance.
- Molluscum Contagiosum: A viral infection that causes small, pearly, or flesh-colored bumps. It's contagious and can spread through skin-to-skin contact.
- Do Not Miss Diagnoses
- Testicular Cancer: Although rare, testicular cancer can present as a lump or bump on the scrotum. Early detection is crucial, making it a critical diagnosis not to miss.
- Genital Herpes: Caused by the herpes simplex virus, genital herpes can lead to painful blisters or bumps on the genitals, including the scrotum. It's a sexually transmitted infection.
- Syphilis: A sexually transmitted infection that can cause a variety of symptoms, including bumps or sores on the genitals in its primary stage.
- Rare Diagnoses
- Keratoacanthoma: A rare, low-grade malignancy that can appear as a firm, round bump on the skin. It often resembles a volcano with a central crater.
- Lichen Nitidus: A rare skin condition characterized by tiny, shiny bumps on the skin. It's usually harmless but can be itchy.
- Sweat Gland Tumors (Hidradenoma): Rare, benign tumors originating from sweat glands. They can appear as bumps on the skin, including the scrotum.