Can Laser Treatments Effectively Remove Nevus of Ota? - Dermatology

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Laser Issues


Doctor, I apologize for asking again, but how is it possible that some doctors say that the Pico laser can remove seborrheic keratosis?

333, 20~29 year old female. Ask Date: 2013/12/10

Dr. Wu Yuxin reply Dermatology


In terms of machine type, it refers to the Ruby laser.
The Clear Skin Laser treatment is a procedure performed using the Ruby laser, primarily aimed at treating issues such as acne, old keratin, and uneven skin tone.
For stubborn seborrheic keratosis, adjustments in energy intensity and spot size must be made when using the Ruby laser or other spot removal lasers, and this aspect of adjustment requires an experienced physician to manage.
Generally, the Clear Skin Laser targets broad areas of the face for overall skin texture and tone improvement, while seborrheic keratosis requires precise and targeted destruction.

Reply Date: 2013/12/10

More Info


Nevus of Ota, also known as Ota's nevus, is a type of dermal melanocytosis characterized by a blue-gray pigmentation typically located on the face, particularly around the eyes and forehead. This condition is caused by the proliferation of melanocytes, which are the cells responsible for producing melanin, the pigment that gives skin its color. The nevus is often unilateral and can vary in size and intensity of color.

When it comes to treatment options for Nevus of Ota, laser therapy has emerged as a popular choice. Specifically, Q-switched lasers, such as the Q-switched Nd:YAG laser and the Q-switched ruby laser, have shown effectiveness in treating this condition. These lasers work by delivering short pulses of high-energy light that target the melanin in the skin without damaging the surrounding tissues. The energy from the laser is absorbed by the pigment, leading to its fragmentation and subsequent clearance by the body’s immune system.

The effectiveness of laser treatments for Nevus of Ota can vary based on several factors, including the depth of the pigmentation, the type of laser used, and the individual’s skin type and response to treatment. Generally, multiple sessions are required to achieve optimal results, and patients may notice a gradual lightening of the pigmentation over time. It is important to have realistic expectations, as complete removal may not always be possible, but significant improvement is often achievable.

In addition to laser treatments, it is crucial for patients to consult with a qualified dermatologist or a specialist in laser therapy to assess their specific case. A thorough evaluation will help determine the most appropriate treatment plan tailored to the individual's needs. Factors such as skin type, the extent of the nevus, and any previous treatments should be taken into account.

It is also worth noting that while laser treatments can be effective, they may not be suitable for everyone. Some individuals may experience side effects such as temporary redness, swelling, or changes in skin pigmentation post-treatment. Therefore, discussing potential risks and benefits with a healthcare provider is essential before proceeding with any laser treatment.

In summary, laser treatments, particularly Q-switched lasers, can be effective in reducing the appearance of Nevus of Ota. However, the success of the treatment depends on various factors, and patients should seek professional advice to ensure they receive the most appropriate care for their condition. Regular follow-ups and adherence to post-treatment care instructions can also enhance the outcomes and minimize potential complications.

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