Warty Growths
What is Warty growths?
Warty growths are small, roughâsurfaced lesions that project from the skin or mucous membranes. They usually feel firmer than a regular mole, may have a cauliflowerâlike appearance, and can range in size from a pinpoint papule to several centimeters in diameter. While the word âwartâ often brings to mind the common childhood skin wart caused by the human papillomavirus (HPV), many different conditions produce wartâlike lesions, including benign growths, viral infections, and even some early cancers. Understanding the underlying cause is essential for appropriate management.
Common Causes
The following conditions are the most frequent culprits behind wartyâappearing growths:
- Common (Viral) Warts â Caused by cutaneous HPV types (e.g., 1, 2, 4).
- Flat (Verruca plana) Warts â Often appear on the face, neck, or shins; caused by HPV types 3 and 10.
- Plantar (Foot) Warts â Grow on weightâbearing areas of the foot; can be painful.
- Genital Warts (Condyloma acuminata) â Result from sexually transmitted HPV types 6 and 11.
- Verrucous Carcinoma (a subtype of squamous cell carcinoma) â A slowâgrowing, wartâlike cancer.
- Keratoacanthoma â A rapidly expanding, domeâshaped tumor that may mimic a wart.
- Seborrheic Keratosis â Benign, âstuckâonâ lesions frequently mistaken for warts.
- Viral Molluscum contagiosum â Causes fleshâcolored, domeâshaped papules with a central dimple.
- Hypertrophic Lichen Planus â An inflammatory condition that can generate thick, warty plaques.
- Genodermatoses (e.g., Darier disease, Epidermodysplasia verruciformis) â Rare inherited disorders that produce widespread wartâlike lesions.
Associated Symptoms
Warty growths seldom occur in isolation. Depending on the underlying condition, patients may notice:
- Itching or burning sensation.
- Pain, especially with plantar warts that press on weightâbearing surfaces.
- Bleeding or oozing if the lesion is traumatized.
- Hyperpigmentation or hypoâpigmentation around the wart after treatment.
- Swelling of nearby lymph nodes (more common with viral warts or early cancer).
- Systemic signs such as fever or malaise when warts are associated with a broader infection (e.g., molluscum in immunocompromised patients).
- In genital warts: discharge, discomfort during urination or intercourse.
When to See a Doctor
Most warts are harmless and may resolve spontaneously, but certain features warrant prompt medical evaluation:
- Rapid growth or change in size, shape, or color.
- Bleeding, ulceration, or a foul odor.
- Pain that interferes with daily activities (e.g., walking, typing).
- Warts that appear on the face, genitals, or mucous membranes.
- Multiple new warts in an adult, especially if you are immunosuppressed.
- Warts that do not improve after 2â3 months of overâtheâcounter treatment.
- Any suspicion of skin cancer (e.g., a wart that looks irregular, has rolled borders, or doesnât respond to typical wart therapy).
Diagnosis
Diagnosis starts with a thorough history and physical examination. The clinician will usually:
- Inspect the lesion â Evaluate size, color, surface texture, and location.
- Ask questions â Duration, prior treatments, sexual history (for genital lesions), immunization status, and exposure to irritants.
- Perform a dermatoscopic exam â A handheld magnifier that helps differentiate warts from other lesions.
- Biopsy (if needed) â A shave, punch, or excisional biopsy may be ordered when there is doubt about malignancy, when the lesion is atypical, or when it fails to respond to standard therapy.
- HPV typing â In select cases (e.g., recurrent genital warts), clinicians may send a sample for HPV DNA testing.
- Blood tests â For immunocompromised individuals, a CBC or HIV screen may be recommended.
Treatment Options
Treatment is individualized based on cause, lesion location, patient age, and cosmetic concerns.
Common Warts (HPV)
- Topical salicylic acid â Overâtheâcounter 17â40% formulations applied daily after soaking the wart.
- Cryotherapy â Liquid nitrogen applied by a clinician; works by freezing the wart tissue.
- Cantharidin â A blistering agent applied in the office, causing the wart to lift off.
- Immunotherapy â Topical imiquimod or intralesional Candida antigen stimulates the bodyâs immune response.
- Laser therapy â Pulsed dye or COâ lasers can vaporize resistant warts.
Genital Warts
- Prescription podophyllotoxin cream or imiquimod 5% cream applied at home.
- Cryotherapy or surgical excision for larger lesions.
- Patientâadministered home treatments should be done under provider guidance because of the sensitive location.
Seborrheic Keratosis & Keratoacanthoma
- Shave excision or curettage â often curative and provides tissue for pathology.
- Electrodessication â a brief electric current to destroy the lesion.
Verrucous Carcinoma & Other Cancers
- Surgical excision with clear margins is the standard of care.
- Radiation or topical chemotherapy (e.g., 5âfluorouracil) may be considered for inoperable cases.
Home Care & Symptom Relief
- Keep the area clean and dry; excess moisture promotes viral spread.
- Cover large plantar warts with a waterproof bandage to reduce pain while walking.
- Avoid picking or biting warts â this can spread infection and cause scarring.
- Use OTC pain relievers (acetaminophen or ibuprofen) for discomfort.
Prevention Tips
Many warty growths are caused by viral infections that can be mitigated with simple hygiene measures:
- Vaccination â The 9âvalent HPV vaccine protects against the strains that cause most genital warts and several cancers. Recommended for ages 9â45.
- Hand hygiene â Wash hands with soap and water after touching a wart or using public showers.
- Avoid direct skinâtoâskin contact with warty lesions, especially in communal settings (gym floors, swimming pools).
- Keep feet dry â Wear breathable footwear and change socks daily to prevent plantar warts.
- Use protective barriers â Wear flipâflops in public showers and pool areas.
- Do not share personal items such as towels, razors, or nail clippers.
- Manage immune health â Adequate sleep, balanced diet, and control of chronic conditions (diabetes, HIV) lower the risk of persistent warts.
- Regular skin checks â Early detection of atypical lesions improves outcomes, especially for older adults.
Emergency Warning Signs
Seek immediate medical attention if you notice any of the following:
- Rapidly enlarging or extremely painful wart that interferes with breathing, swallowing, or urination.
- Severe bleeding that does not stop after applying pressure for 10 minutes.
- Signs of infection: redness spreading beyond the lesion, warmth, swelling, fever, or pus.
- Lesion that develops a foul odor or ulcerates.
- Sudden change in color (especially to black or deep brown) or loss of the typical wart surface.
- Development of new warts accompanied by unexplained weight loss, night sweats, or persistent fatigue â possible indication of immunosuppression or underlying malignancy.
Key Takeâaways
Warty growths range from harmless viral warts to early skin cancers. While many resolve on their own, persistent or atypical lesions merit professional evaluation. Early diagnosis, appropriate treatment, and preventive measures such as HPV vaccination and good skin hygiene can reduce complications and improve quality of life.
References:
- Mayo Clinic. âWart Treatment.â Updated 2023. https://www.mayoclinic.org
- CDC. âHuman Papillomavirus (HPV) Vaccine.â 2024. https://www.cdc.gov
- National Cancer Institute. âVerrucous Carcinoma.â 2022. https://www.cancer.gov
- Cleveland Clinic. âSeborrheic Keratosis: Symptoms & Treatment.â 2023. https://my.clevelandclinic.org
- WHO. âHuman Papillomavirus (HPV) and Cervical Cancer.â 2023. https://www.who.int