Molloscum contagiosum

Question 1

Define

Answer 1

DEFINITION: a common skin infection caused by a pox virus that affects children and adults. Transmission is usually by direct skin contact.

Question 2

Causes

Answer 2

Viral skin infection caused by molluscum contagiosum virus (MCV)

It is a type of pox virus

Risk Factors

• Mainly in CHILDREN
• Immunocompromised
• Atopic eczema

Question 3

Epidemiology

Answer 3

COMMON

90% of patients are < 15 yrs

A lot of people will not seek medical attention for it

Question 4

Symptoms

Answer 4

Incubation period: 2-8 weeks

Usually ASYMPTOMATIC

There may be tenderness, pruritus and eczema around the lesion

Lesions last for around 8 months

Question 5

Signs

Answer 5

Firm, smooth, umbilicated papules

Usually 2-5 mm in diameter

In children - tends to occur on the trunk and the extremities

In adults - tends to occur on the lower abdomen, genital area and inner thighs (suggesting sexual contact)

Question 6

Investigations

Answer 6

Usually a CLINICAL diagnosis

Dermatoscopy may be useful if there is doubt