
Lasers have been used to treat skin lesions such as birthmarks
for over 30 years. Until recently, this treatment was nonselective
in that it destroyed the overlying skin as well as the lesion
so the end result was a scar.
This problem has now been overcome by development of new lasers
which recognize individual colors in skin so that colored lesions
can be selectively destroyed without scarring or change in texture
of the skin. By using different lasers, each designed with an
individual target in mind, it is possible to target blood vessels,
tattoos, brown pigment lesions and hair with minimal risk of harming
surrounding structures.
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Blood Vessel Removal
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Brown Pigmented Lesions
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Hair Removal
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Tattoo Removal
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Treatment of Sunlight damage and Wrinkles
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Psoriasis Laser Treatment
Blood Vessel
Removal
Telangiectasias or so-called broken veins on the face, often part
of rosacea, broken veins on the legs, portwine stains and hemangiomas
in children and red-spots on the body in adults all can be selectively
destroyed. The Candela pulsed-dye laser was the first selective
laser and it was designed to destroy small blood vessels in the
skin by recognizing the red color of red blood cells in blood
vessels. The Candela V-Beam is the latest version of this laser
and it can often remove blood vessels without bruising so that
downtime is minimal. First used to treat portwine stain birthmarks,
it remains the gold-standard treatment for all types of vascular
birthmarks as well as rosacea and broken veins on the face.
Anesthesia is usually not required for treatment, post-procedure
recovery time is minimal and scarring or change in texture of
the skin is extremely unusual.
The Photoderm, an intense-pulsed light source, is more effective
for broken veins on legs since it can penetrate deeper to reach
veins at this site. Unlike injection treatment of veins, there
is no need for limitation of activity or compression bandaging
after Photoderm treatment. Usually a couple of treatments are
required to remove any given vein but large areas, such as a complete
lower limb, can be treated in one session. Blue veins on the leg
can also be treated using the recently introduced long-pulsed
Nd/YAG laser.
Before Photoderm treatment
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After Photoderm treatment
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Brown Pigmented
Lesions
Sunspots, aging spots, freckles and brown birthmarks can be selectively
removed from the skin by targeting melanin in the skin. The Medlite
Nd/YAG laser is two lasers in one and permits destruction of shallow
and deep pigment in the skin. The procedure is quick and relatively
painless, post-procedure care is minimal and the skin usually
reverts to a normal color.
Before Medlite Nd/YAG treatment
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After Medlite Nd/YAG treatment
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Hair Removal Laser
Laser destruction of hair has opened a new era for
treatment of excess and unwanted hair. Selective destruction of
pigment cells in the hair follicles results in a growth delay
of the hair and several treatments cause a progressive reduction
in hair counts. The main advantage over traditional electrolysis
is that large areas can be treated quickly with minor discomfort.
The Epilight hair removal system can remove hair from all parts
of the body and permits a return to regular activities immediately.
Tattoo Removal
A major goal of selective laser treatment has been removal of
tattoos without causing scarring. Tattoos have been removed by
lasers for years but the treatment has always involved swapping
the tattoo for an ugly scar. This has changed. It is now possible
to remove many tattoos and leave behind normal skin. The Nd/YAG
Q-switched laser uses two wavelengths to target multiple colors.
The laser light explodes the pigment in the skin so it can then
be removed by the body. Several treatments are usually required
to produce maximal improvement. Anesthesia is usually not necessary
but is available if a tender area is being treated.
Before Nd/YAG Q-switched treatment
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After Nd/YAG
Q-switched treatment
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Treatment of Sunlight Damage and Wrinkles
Several lasers are available to treat aging changes in the skin
and wrinkles. these lasers produce minimal disturbance in the
skin so that downtime is greatly reduced.
Psoriasis
Laser Treatment
A Photomedix
eximer laser is used to treat localized psoriasis. treatments
are quickand painless and usually result in rapid resolution of
disease. This laser is now being used to trat psoriasis on the
scalp and we recently reported excellent results with the treatment.
It requires 10 to 30 treatments and often gives long remissions.
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