2.1.7 Molluscum Contagiosum
Grading & Level of Importance: A
Water warts; molluscum verrucosum; dell wart.
Superficial viral infection of the skin.
Aetiology & Pathogenesis
Causative agent: molluscum contagiosum (epidermotropic pox) virus, transferred between humans by direct contact, usually in children or sexual partners.
Signs & Symptoms
Single or multiple dome-shaped papules with a central dell, usually skin-coloured, often translucent, may be red. Typically not itchy or painful.
Normally clustered; may be linear along excoriations. Children: usually extragenital. Sometimes solitary, disseminated and giant in adults.
Laboratory & other workups
Only required in cases of diagnostic difficulty. Lobulated endophytic hyperplasia. Basophilic intracytoplasmic inclusions in keratinocytes.
May spread, particularly in the setting of atopic dermatitis or immunosuppression/HIV infection. Spontaneous resolution may occur within weeks to 18 months.
Secondary bacterial infection; scarring (usually from treatments rather than the disease itself); rarely conjunctivitis or keratitis.
Usually clinical; expelling of molluscum bodies.
Prevention & Therapy
Despite spontaneous regression, therapeutic approaches such as 5% potassium hydroxide solution; destruction with curettage; cryosurgery for single or giant lesions; antiseptics if secondary infection.
- True or false?
- What statements are true?
- Which statements are true?
- Statement 1 The disease can be triggered by HIV-1 virus
- Statement 1 Molluscum contagiosum is a highly contagious viral disease
- What are the favored sites for molluscum contagiosum?
- Which of these groups are likely to have molluscum contagiosum infections?
- Which clinical description best fits molluscum contagiosum?
- The causative agent of molluscum contagiosum
Further Images / DOIA
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