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Risks-Tattooing
What are the risks of having a tattoo?The following are the primary complications that can result from tattooing:
• Infection. Unsterile tattooing equipment and needles can transmit infectious diseases, such as hepatitis. The risk of infection is the reason the American Association of Blood Banks requires a one-year wait between getting a tattoo and donating blood.
It is extremely important to make sure that all tattooing equipment is clean and sterilized before use. Even if the needles are sterilized or never have been used, it is important to understand that in some cases the equipment that holds the needles cannot be sterilized reliably due to its design. In addition, the person who receives a tattoo must be sure to care for the tattooed area properly during the first week or so after the pigments are injected.
• Removal problems. Despite advances in laser technology, removing a tattoo is a painstaking process, usually involving several treatments and considerable expense. Complete removal without scarring may be impossible. See "The Most Common Problem: Dissatisfaction" and "Removal Techniques," below.
• Allergic reactions. Although allergic reactions to tattoo pigments are rare, when they happen they may be particularly troublesome because the pigments can be hard to remove. Occasionally, people may develop an allergic reaction to tattoos they have had for years.
• Granulomas. These are nodules that may form around material that the body perceives as foreign, such as particles of tattoo pigment.
• Keloid formation. If you are prone to developing keloids -- scars that grow beyond normal boundaries -- you are at risk of keloid formation from a tattoo. Keloids may form any time you injure or traumatize your skin, and according to Office of Cosmetics and Colours (OCAC) dermatologist Ella Toombs, M.D., tattooing or micro pigmentation is a form of trauma. Micro pigmentation: State of the Art, a book written by Charles Zwerling, M.D., Annette Walker, R.N., and Norman Goldstein, M.D., states that keloids occur more frequently as a consequence of tattoo removal.
• MRI complications. There have been reports of people with tattoos or permanent makeup who experienced swelling or burning in the affected areas when they underwent magnetic resonance imaging (MRI). This seems to occur only rarely and apparently without lasting effects.
There also have been reports of tattoo pigments interfering with the quality of the image. This seems to occur mainly when a person with permanent eyeliner undergoes MRI of the eyes. Mascara may produce a similar effect. The difference is that mascara is easily removable.
The cause of these complications is uncertain. Some have theorized that they result from an interaction with the metallic components of some pigments.
However, the risks of avoiding an MRI when your doctor has recommended one are likely to be much greater than the risks of complications from an interaction between the MRI and tattoo or permanent makeup. Instead of avoiding an MRI, individuals who have tattoos or permanent makeup should inform the radiologist or technician of this fact in order to take appropriate precautions, avoid complications, and assure the best results.
The Most Common Problem: Dissatisfaction
According to Dr. Toombs, the most common problem that develops with tattoos is the desire to remove them. Removing tattoos and permanent makeup can be very difficult.
Skill levels vary widely among people who perform tattooing. According to an article by J.K. Chiang, S. Barsky, and D.M. Bronson in the June 1999 issue of the Journal of the American Academy of Dermatology, the main complication with eyelid tattooing is improperly placed pigment. You may want to ask the person performing the procedure for references and ask yourself how willing you are to risk permanently wearing someone else's mistake.
Although tattoos may be satisfactory at first, they sometimes fade. Also, if the tattooist injects the pigments too deeply into the skin, the pigments may migrate beyond the original sites, resulting in a blurred appearance.
Another cause of dissatisfaction is that the human body changes over time, and styles change with the season. The permanent makeup that may have looked flattering when first injected may later clash with changing skin tones and facial or body contours. People who plan to have facial cosmetic surgery are advised that the appearance of their permanent makeup may become distorted. The tattoo that seemed stylish at first may become dated and embarrassing. And changing tattoos or permanent makeup is not as easy as changing your mind.
Removal Techniques
Methods for removing tattoos include laser treatments, abrasion, scarification, and surgery. Some people attempt to camouflage an objectionable tattoo with a new one. Each approach has drawbacks:
• Laser treatments can lighten many tattoos, some more easily and effectively than others. Generally, several visits are necessary over a span or weeks or months, and the treatments can be expensive. Some individuals experience hypo pigmentation -- a lightening of the natural skin colouring -- in the affected area. Laser treatments also can cause some tattoo pigments to change to a less desirable shade.
Unfortunately, knowing what pigments are in your tattoo or permanent makeup has always been difficult and has become more so as the variety of tattoo inks has multiplied. Inks are often sold by brand name only, not by chemical composition. Because the pigments are sold to tattoo parlours and salons, not on a retail basis to consumers, manufacturers are not required by law to list the ingredients on the labels. Furthermore, because manufacturers may consider the identity and grade of their pigments "proprietary," neither the tattooist nor the customer may be able to obtain this information. There also have been reports of individuals suffering allergic reactions after laser treatments to remove tattoos, apparently because the laser caused allergenic substances in the tattoo ink to be released into the body.
• Dermabrasion involves abrading layers of skin with a wire brush or diamond fraise (a type of sanding disc). This process itself may leave a scar.
• Salabrasion, in which a salt solution is used to remove the pigment, is sometimes used in conjunction with dermabrasion, but has become less common.
• Scarification involves removing the tattoo with an acid solution and creating a scar in its place.
• Surgical removal sometimes involves the use of tissue expanders (balloons inserted under the skin, so that when the tattoo is cut away, there is less scarring). Larger tattoos may require repeated surgery for complete removal.
• Camouflaging a tattoo entails the injection of new pigments either to form a new pattern or cover a tattoo with skin-toned pigments. Dr. Toombs notes, however, that injected pigments tend not to look natural because they lack the skin's natural translucence.