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Molluscum contagiosum - Coggle Diagram
Molluscum contagiosum
Management: Anogenital molluscum contagiosum
Adults: avoid shaving/waxing genital regions to prevent further spread of lesions, condoms may only offer partial protection as transmission occurs by skin-to-skin contact, refer to genito-urinary medicine for screening for other STIs.
Children - referral for suspected sexual abuse should only be arranged if there is evidence of this.
Give general advise to stop the spread of infection - lesion are contagious and sharing towels/clothing/bedding should be avoided until resolved, do not scratch/squeeze the lesions, exclusion from school/gym/swimming is required (cover lesions with waterproof clothing/bandages prior to swimming)
Manage symptoms of complications and refer to specialist if required.
Reassurance condition is usually self-limiting and treatment not usually required
Advise on additional sources of information - NHS website or British Association of Dermatologists.
Risk factors
Close contact with an infected person
Atopic dermatitis
Immunocompromise
Warm climate
Swimming
Management: Non-genital molluscum contagiosum
Manage symptoms of complications and refer to specialist if required.
Advise on additional sources of information - NHS website or British Association of Dermatologists.
Give general advise to stop the spread of infection - lesion are contagious and sharing towels/clothing/bedding should be avoided until resolved, do not scratch/squeeze the lesions, exclusion from school/gym/swimming is required (cover lesions with waterproof clothing/bandages prior to swimming).
Reassurance that condition is self-limiting and treatment not usually required
Management: Referral
Refer adults with anogenital lesions to genito-urinary medicine for screening for other sexually transmitted infections.
Consider referral to a dermatologist if there is diagnostic uncertainty, person is known to be immunocompromised or lesions are extensive and painful.
Opthalmology - urgent referral for those with eyelid-margin or ocular lesion and associated red eye.
HIV specialist - urgent referral for a person with HIV and extensive molluscum lesions.
Diagnosis
Asymptomatic, but complications such as pruritus, erythema and bacterial superinfection can occur.
Lesions which have developed over a few weeks. Smooth-surfaced, firm, dome-shaped, flesh-coloured or pearly white papules with a central umbilication. Typically seen in clusters. 2-5mm in diameters. Almost any part of the body can be affected.
Normally diagnosis is made clinically with no further investigations required
Differential diagnosis
Genital molluscum -ectopic sebaceous glands, vulvar lymphangioma circumscriptum and genital warts.
Giant molluscum contagiosum - acantholytic acanthoma, epidermoid cyst, subepidermal calcified nodule, abscess, keratoacanthoma, cutaneous horn.
Molluscum contagiosum - acne vulgaris, infections such as warts and chickenpox, milia, keratoacanthoma, cutaneous horn, tumours, papular urticaria, lichen planus, deep fungal infection
Definition: Mulluscum contagiosum is a viral skin infection caused by the mollucum contagiosum virus. Transmission of MCV occurs by direct contact with infection skin or indirectly via contaminated fomites (shared towels/flannels). Incubation period is usually between 2 - 12 weeks by can be as long as 26 weeks.