Warts Disease

DESCRIPTION
Warts are painless, benign skin tumors characterized by an area of well circumscribed epithelial thickening. Most people develop warts on their hands or feet at sometime in their lives. They are most common in childhood, with 4-20% of school children having warts at any one time. The DNA papillomavirus is causative and is passed by direct contact with an infected person or from recently shed virus kept intact in a moist, warm environment. Five types of warts are caused by specific genotypes of HPV:
  • Common wart (verruca vulgaris)
  • Plantar wart (verruca plantaris)
  • Flat wart (verruca plana)
  • Venereal wart (condyloma acuminatum)
  • Epidermodysplasia verruciformis
  • System(s) affected: Skin/Exocrine
  • Genetics: N/A
  • Incidence/Prevalence in USA: 7-10% of the population
  • Predominant age: Young adults and children
  • Predominant sex: Female > Male
SIGNS AND SYMPTOMS
  • Verruca vulgaris: Rough surfaced, raised, skin-colored papules 5-10 mm in diameter. They may coalesce into a mosaic 1-3 cm in diameter. Most frequently seen on hands.
  • Verruca plantaris: Rough surfaced (although smoother than the common wart), flat, skin-colored papules not infrequently attaining 2-3 cm in diameter.
  • Verruca plana: Slightly elevated, flat-topped, skin-colored papules 1-3 mm in diameter sometimes in a linear arrangement often on hands and face.
  • Condyloma acuminatum: Thin, flexible, tall papules sometimes demonstrating a confluent growth resembling cauliflower. They do not have the visible or palpable keratin of the previous warts. In infants, laryngeal papillomatosis may occur if condyloma is transmitted during vaginal delivery.
  • Epidermodysplasia verruciformis: Flat, reddish lesions on the hands and shoulders presenting in childhood with lifelong persistence.
CAUSES
Human papillomavirus (HPV)
RISK FACTORS
  • AIDS and other immunosuppressive diseases (e.g., lymphomas)
  • Immunosuppressive drug use
  • Atopic dermatitis
  • Locker room use
  • Skin trauma
LABORATORY

HPV cannot be cultured
Drugs that may alter lab results: N/A
Disorders that may alter lab results: N/A

PATHOLOGICAL FINDINGS
  • Papillomavirus found in the nuclei and nucleoli of the stratum granulosum and keratin layers of the epidermis.
  • Plantar warts have rete pegs (a downward proliferation of epidermal ridges).
  • Thrombosed dermal capillaries.
SPECIAL TESTS

Definitive diagnosis can be achieved with the following, but are not clinically relevant for most presentations:

  • Electron microscopy
  • Immunohistochemical study
  • Nucleic acid hybridization
IMAGING

N/A

DIAGNOSTIC PROCEDURES

Paring or débridement and simple visualization will be diagnostic in most cases.

APPROPRIATE HEALTH CARE

Outpatient

GENERAL MEASURES

Spontaneous remissions are common, probably related to a host immune response. Conservative, non-scarring treatments are preferred. Each treatment is associated with a 60-70% cure rate. Cure is achieved when skin lines are restored to a normal pattern.

SURGICAL MEASURES
  • Pretreat with anesthetic cream such as EMLA
  • Cryotherapy – often preferred because scar formation is minimized. Freezing periungual warts may result in nail deformation.
  • Excision with electrocautery, laser ablation, curettage (the virus may be found in smoke so masks should be worn)
  • Disfiguring scars and wart recurrence are problems
ACTIVITY

If plantar warts are on weight-bearing surface, they may cause significant discomfort and subsequent decrease in activity

DIET

N/A

PATIENT EDUCATION

Infectious nature should be discussed; keep warts covered while under treatment to avoid auto-inoculation and transmission to others.

PREVENTION/AVOIDANCE
  • Cover warts under treatment. Avoid the wound fluid after cryotherapy.
  • Use personal footwear in locker room settings.
POSSIBLE COMPLICATIONS
  • Auto-inoculation
  • Scar formation
  • Chronic pain after plantar wart removal and scar formation
  • Nail deformity after injury to nail matrix
EXPECTED COURSE AND PROGNOSIS

Good; complete resolution with or without treatment

ASSOCIATED CONDITIONS
  • Acquired immunodeficiency syndrome
  • Renal transplantation
  • Other conditions with immunosuppression
  • Lewandowsky-Lutz disease (associated with epidermodysplasia)
AGE-RELATED FACTORS

Pediatric: Generally more prevalent in children
Geriatric: Less common in non-immunocompromised adults
Others: N/A

PREGNANCY

Podophyllin is contraindicated

OTHER NOTES

N/A

ABBREVIATIONS

HPV = Human papillomavirus

Clinical Investigations

ROLE OF HOMOEOPATHY

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