Mollusks

Molluscum contagiosum is a viral skin infection caused by the Molluscum Contagiosum virus (MCV). This condition is characterized by the appearance of small, usually painless bumps on the skin that can affect both children and adults.

Typical lesions of molluscum contagiosum are raised pearl-like, flesh-colored or whitish papules or nodules, usually measuring between 2 and 5 millimeters in diameter. These bumps have a characteristic central depression and may appear anywhere on the body except the palms of the hands and soles of the feet.

In children, the most commonly affected areas include the face, neck, armpits, arms and hands, while in adults they are usually located on the genital area, abdomen and inner thighs. Although generally painless, the lesions can become itchy or inflamed if irritated or scratched.

Molluscum contagiosum virus is transmitted primarily through direct skin-to-skin contact with an infected person. In addition, the virus can be spread by touching contaminated objects, such as towels, clothing, or sports equipment.

In adults, transmission can also occur during sexual contact. Scratching of lesions can facilitate autoinoculation, i.e. the spread of the virus to other parts of the body of the same person.

In many cases, molluscum contagiosum resolves spontaneously without treatment in a period that can vary from six months to two years. However, some patients may opt for treatment to hasten resolution of the lesions or for cosmetic reasons.

Therapeutic options include:

Curettage. It consists of the removal of the lesions using a curette. This procedure may cause discomfort, so the previous application of topical anesthetics is recommended.
Cryotherapy. It involves the application of liquid nitrogen to freeze and destroy the lesions. Although effective, it can cause pain and changes in skin pigmentation.
Application of topical agents. Substances such as cantharidin are applied to the lesions to induce the formation of blisters that facilitate the elimination of the papules. It is important that this treatment be supervised by a dermatologist.

The choice of treatment depends on factors such as the patient’s age, location and number of lesions, as well as personal preferences and tolerance to the procedures.

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To reduce the risk of contracting or spreading molluscum contagiosum, it is essential to follow a series of preventive measures. Maintaining proper hygiene is key, so it is recommended to wash hands with soap and water regularly, especially after touching the lesions. It is also important to avoid scratching or handling the papules, as this may encourage autoinoculation and spread of the virus to other parts of the body.

Another essential aspect of prevention is not to share personal objects that may be in contact with lesions, such as towels, clothing or sports equipment, as these can act as vehicles of transmission. In addition, it is advisable to cover the lesions with bandages or clothing to minimize the risk of contagion to other people, especially in shared spaces such as swimming pools or gyms. In the case of infected persons, it is recommended to avoid direct physical contact with other persons until the lesions have completely disappeared.

Applying these preventive measures is essential to control the spread of molluscum contagiosum and reduce the risk of infection in the community. In case of skin lesions that could correspond to this condition, it is advisable to consult a dermatologist to obtain an accurate diagnosis and evaluate the most appropriate treatment options depending on the case.