Have Your Or Your Child Got A Persistent Blemish?
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The most important thing to bear in mind is that the procedure isn’t painful, so the healing process is much quicker and easier. Generally, it takes between 1-6 weeks for the tissue to heal completely.
Many types of superficial skin lesions can be treated using cryotherapy, including actinic keratosis, warts, seborrheic keratosis, and benign lesions. However, before the procedure is performed, it is essential that the correct diagnosis is made. A suspicious or assumingly cancerous lesion will require that a doctor examine it.
There is no excruciating pain associated with the procedure. However, you will feel some mild sensations similar to a stinging nettle when the nitrous oxide reaches the skin. That said, depending on the area, there could be some residual stinging sometime later. Some people report itching for around 10 minutes post the procedure. The vast majority of people report the area becoming numb.
It is considered to be a low risk, non-invasive procedure. While adverse effects are rare, some people may notice:
The treatment is performed using a small applicator which is held up to the imperfection. Liquid nitrogen is then sprayed on the tissue through a tiny nozzle. It can take between 1-30 seconds mainly depending on the size of the issue to freeze it, after which it is allowed to thaw.
When nitrous oxide touches the skin, the area turns white upon freezing. After the thawing process, the area turns red and then starts to heal. Around 24 hours after the procedure, the area turns into a small blister, which may take a few days to dissolve. Though blistering is rare. Most people will notice a crust form over the lesion which lasts for up to 14 days, and that often falls off once the skin is fully healed. The initial color of the skin may be light pink, but natural pigmentation returns over the course of several weeks. However, lesions on the leg take more time to heal. We strongly recommend that patients keep the treated area uncovered unless needed otherwise.
In our experience, scarring is rare. However, patients will experience hyperpigmentation (for people with darker skin) and hypopigmentation (mainly people with lighter skin tone) which is temporary. At most, you will see this type of pigmentation abnormality for a few months. That said pigment change is far more common for people who have darker skin.
The primary reason to choose it is that the treatment is quick. It takes just a few minutes and does not require any incisions, consequently no blood and also no infection. 99.9% of people can get to work right after, and because the treatment is painless, it does not compromise the quality of their work either. It also does away with the need for anaesthetic.
Yes, you can, but we are very cautious about what skin type our patients have and the location that needs to be treated. We tend to be very careful when treating patients who have unusually high levels of cryoglobulins.
In the vast majority of cases, the treatment yields permanent results. However, it is essential to emphasize that some lesions are harder to remove. The places that are more delicate like near the eyes, we can only use a shorter freeze time on the area, which may require that the process be repeated until the final results are had. Plus, this approach ensures the least amount of damage to the surrounding skin.
In instances where deep lesions need to be treated like it can be the case with warts, several aggressive forms of treatment may be needed to yield the final result.
Generally, recurrent basal cell carcinomas and melanomas can’t be treated. Melanomas can spread by many different means including blood, lymphatic and local. Plus it has been observed that a Melanoma tends to change into a much more aggressive type if it left undetected. The best way to treat a melanoma is with surgery if a recurrence is strongly suspected.
The weather does not matter, and so you can be treated at any time of the year. The only difference is that you will use a sun protection factor 50 or SPF50 30 minutes prior to sun exposure, after which it has to be applied every four hours.