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PubMed1999

[Tattoo removal Q-switched ruby laser (694 nm) and the Q-switched Nd:YAG laser (532 and 1064 nm). A retrospective study].

In a retrospective study 47 patients with 68 amateur and 25 professional tattoos were examined, considering clearance of tattoo pigments and the frequency of side effects after finished treatments with the Q-switched ruby (694 nm) and the Q-switched Nd:YAG laser (532 and 1064 nm). Black amateur tattoos were found to lighten faster than professional tattoos (13.2 and 18.6 treatments respectively). For the clearance of multicolored tattoos (amateur or professional), similar numbers of laser treatments were needed. Green pigments were removed with the Q-switched ruby laser and red pigments with the frequency-doubled Nd:YAG laser (532 nm). Compared to the Q-switched Nd:YAG laser (1064 nm), the Q-switched ruby laser and the frequency-doubled Nd:YAG laser (532 nm) more often caused blistering and transient hypopigmentation (5.4% and 7.5% vs. 1.1% (blisters); 8.6% and 15.1% vs. 4.3% (hypopigmentation).

Adult↗

PubMed2004

[Piercing and tattoos in patients with congenital heart disease -- is it a problem?].

Piercing and tattooing enjoy widespread popularity in modern society. Patients with congenital heart disease are at elevated risk for infective endocarditis. However, it is not yet known whether piercing and tattooing are dangerous for these patients.A search of the literature provided 10 published cases of infective endocarditis after piercing or tattooing. Affected patients were adolescents or young adults ranging in age from 13 to 30 years (5 male, 5 female). Four of the patients had a known cardiac risk factor for endocarditis (bicuspid aortic valve, postoperative trans-position of the great arteries, postoperative coarctation, postoperative aortic valve stenosis). Piercing preceded endocarditis in 9 cases (4 times mouth, 2 ear, 1 nose, 1 breast, 1 navel), one tattoo. The following agents were isolated: S. aureus in 4 cases, 2 S. epidermidis, 1 Str. viridans, 1 Neisseria mucosa, 1 Haemophilus aphrophilus, 1 Haemophilus parainfluenzae. All patients were treated with antibiotics. Six patients underwent cardiac surgery (5 of them valve replacement). Patients with congenital heart disease constitute less than 1% of the population. Thus, they are clearly overrepresented in the published literature. Epidemiologic conclusions are not possible from these data. However, patients with congenital heart disease and their parents should be strongly advised against piercing and tattooing with regard to the risk of infective endocarditis.

Adolescent↗

PubMed1990

Q-switched ruby laser treatment of tattoos; a 9-year experience.

Nine years of clinical experience of the application of the Q-switched ruby laser to the removal of tattoos is presented. This laser achieves optimal removal of blue/black amateur tattoos by its selective interaction with the dermal suspensions of pigment which constitute the tattoos. The scar free cosmesis thus achieved is a considerable improvement on non-specific laser techniques whereby the laser is absorbed to a comparable degree in both pigmented and non-pigmented tissue. Long-term results are analysed and it is noted that a variety of professional tattoos may also respond to treatment. The mechanisms and appearance are discussed and correlated with short-term healing processes. It is found that power densities in the range 1200-2800 GW/m2 are most suitable. Appropriate dosimetry can be witnessed by the appearance of opaque intradermal vacuoles corresponding to the vaporization of the tissue water surrounding the pigment suspensions. Treatment by Q-switched ruby laser offers a viable scar-free option for a wide range of dark tattoos, leading to a more acceptable clinical outcome in most cases than other current therapies.

Dermatologic Surgical Procedures↗

PubMed1995

The adjuvant use of macrophage colony stimulating factor in tattoo removal using laser surgery.

Tattoos are acquired pigmented lesions of the skin that may be removed with laser surgery. Following laser treatment, macrophages engulf the altered pigment. The activity of macrophages can be influenced by macrophage colony-stimulating factor. In order to evaluate the potential adjunctive use of macrophage colony-stimulating factor in tattoo removal using laser surgery, a prospective study, initially in an animal model, to serially evaluate the clinical and histopathologic clearing of tattoo pigment following laser surgery at variable macrophage colony-stimulating factor dose concentrations and injection schedules, could be performed. Since the clearing of tattoo pigment following laser surgery is influenced by the presence of macrophages at the site of treatment, and since macrophage colony-stimulating factor influences macrophage activity, it is logical to hypothesize that the adjuvant use of this cytokine to recruit additional macrophages could expedite the removal of tattoo pigment following laser surgery.

Combined Modality Therapy↗

PubMed2005

[Epidural anaesthesia and lumbar tattoo: what to do?].

More and more often, the anaesthesiologist may have to perform lumbar epidural anaesthesia in a patient with a central lumbar tattoo, and this can occur in an urgent obstetric setting. Before managing two uneventful cases of epidural analgesia for labour, we have performed a literature review and noted that no serious complication has been reported. Nonetheless, a needle passed through a tattoo can entrap pigmented tissue fragments (cores) into the epidural or subarachnoid space. This could theoretically induce risk of late neurological complications, related to an inflammatory or granulomatous response to the pigmented cores introduced in these spaces. To avoid this theoretical risk, the anesthesiologist should try to avoid puncturing through the tattoo, either by selecting a different vertebral interspace, or by using a paramedian approach or by finding a pigment free skin spot within the area of the tattoo. When these options cannot be implemented, a superficial skin incision prior to needle insertion should prevent from coring tattoo pigment when entering the skin. Whatever the final choice, the technique to be implemented should be determined as early as the antenatal visit, after informed consent.

Adult↗

PubMed2001

Metallothionein in human gingival amalgam tattoos.

Amalgam tattoos occur when small particles of dental amalgam, composed largely of silver (Ag) and mercury (Hg), are inadvertently implanted into oral soft tissues during dental procedures. Metallothioneins (MTs) are ubiquitous, low molecular weight, cysteine-rich, metal-binding proteins that are inducible by many agents including metals and may be involved in the detoxification of toxic metals such as Hg. In this study, the correlation between MT expression and amalgam tattoos in human gingiva was investigated using energy-dispersive X-ray microanalysis (EDX) and immunohistochemical techniques. Light microscopically, amalgam tattoos presented as either fine granular particles or larger discrete opaque globular particles in connective tissues. EDX revealed the smaller particles to be silver sulphide (Ag(2)S), while the larger particles exhibited a shell of Ag(2)S that contained irregularly distributed masses of Ag and Hg. Particles of tin (Sn) were also found. No MT staining was observed in collagen, fibroblasts or blood vessels in areas exhibiting abundant amounts of embedded fine granular Ag(2)S particles. Blood vessels exhibiting relatively few amalgam particles stained positively for MT. Cells with the morphological features of histiocytes located directly adjacent to larger pieces of amalgam showed intense MT staining. These results indicate that amalgam tattoos contain no Hg or free Ag except in large globular pieces of amalgam, which still contain Hg and which induce MT expression in adjacent histiocytes. This suggests that Hg leaching from impacted dental amalgam particles induces MT, while residual Ag(2)S and Sn particles do not. MT may therefore act to reduce Hg exposure in patients with amalgam tattoos.

Blood Vessels↗

PubMed1997

Laser treatment of tattoos.

All three Q-switched laser systems can effectively remove most tattoos with minimal scarring or other adverse sequelae. Despite advances in laser technology, all tattoos cannot be completely eliminated, and several wavelengths remain necessary to optimally treat multicolored tattoos. The major advantage of Q-switched laser irradiation to effect tattoo removal is the low risk of scarring associated with treatment. Limitations include the need for multiple treatment sessions, minimal to incomplete responses in some cases, and the possibility of pigmentary and textural changes. Research continues in an effort to perfect laser removal of tattoos.

Anesthesia, Local↗

PubMed2002

Immediate cutaneous hypersensitivity after treatment of tattoo with Nd:YAG laser: a case report and review of the literature.

BACKGROUND: To our knowledge this is the first reported case of an immediate cutaneous reaction to Q-switched neodymium:yttrium-aluminum-garnet (Nd:YAG) laser tattoo removal. A 26-year-old female presented with two 6-year-old tattoos placed at different times. These were of different colors and had remained entirely asymptomatic since placement. There was a Mardi Gras mask on her thigh and a Tasmanian devil on her chest. With laser treatment of the Tasmanian devil, she experienced no untoward effects. However, with treatment of the Mardi Gras mask tattoo, she developed an extensive urticarial and indurated reaction 30 minutes posttreatment. The identical reaction occurred twice with subsequent laser treatments. Dermatology consulted allergy to provide prophylaxis against possible systemic reaction with subsequent Nd:YAG laser therapy. The patient was treated with 3 days of prednisone, cetirizine, and ranitidine before subsequent laser treatments. Prophylactic treatment suppressed all subsequent reactions to laser therapy. RESULTS: Delayed hypersensitivity to tattoo pigments occurring days to weeks after placement is well documented. There are no previous reports of immediate hypersensitivity during placement or laser removal. However, there are two previous reports of local and systemic delayed reactions after laser therapy. CONCLUSIONS: As far as we know, this is the first case report of immediate hypersensitivity after Nd:YAG laser treatment of a tattoo. Prophylactic treatment with steroids and antihistamines prevented reactions with subsequent laser treatments. Reactions after laser removal are rare, but may increase as popularity of skin art increases with the need for subsequent removal.

Adult↗

PubMed2003

Red ink tattoo reactions: successful treatment with the Q-switched 532 nm Nd:YAG laser.

BACKGROUND: In the South-west Thames region there were an unprecedented number of lichenoid tattoo reactions to red ink in patients who had visited a local tattoo parlour. The red ink was found to contain mercuric sulphide, a compound known to cause allergic reactions. Topical Dermovate (clobetasol propionate 0.05%, GlaxoWellcome) ointment alone had little impact. OBJECTIVES: To investigate whether the Q-switched 532 nm Nd:YAG laser could produce permanent flattening of the reaction. METHODS: This was an open nonrandomized clinical trial. Biopsies were taken from the lichenoid areas within the tattoos. Subjects were patch tested to 1% ammoniated mercury in petrolatum prior to treatment with the Q-switched 532 nm Nd:YAG laser. Laser treatments were delivered at 6-weekly intervals by a single operator. Patients also applied topical Dermovate between treatments. Therapy was discontinued when the lesions flattened. Clinical photographs were assessed at baseline and prior to each laser treatment. RESULTS: Seven patients with Fitzpatrick skin types I-III were enrolled in the study (four females, three males, mean age 39 years). All patients completed the trial. Patch testing to mercury was universally negative at 48 and 96 h. Substantial flattening and depigmentation of the red ink within the tattoos was noted after six laser treatments. No adverse effects were recorded. CONCLUSIONS: The Q-switched 532 nm Nd:YAG laser in combination with topical Dermovate ointment is a safe and effective method of treating red ink tattoo reactions.

Administration, Topical↗

PubMed2000

Using a side effect to therapeutic advantage: the darkening of red eyebrow tattoo pigment following Q-switched laser treatment.

BACKGROUND: Q-switched lasers are commonly used to achieve tattoo removal, utilizing the principle of selective photothermolysis. However, certain tattoo pigments may darken following laser pulsing. OBJECTIVE: To determine whether this side effect can be used to therapeutic advantage in a woman who previously had her eyebrows enhanced with a dark tattoo that spontaneously changed to a reddish hue over time. METHOD: The woman's eyebrows were pulsed with the Q-switched Nd:YAG laser at both 532 nm and 1064 nm. RESULTS: The test areas pulsed with the 1064 nm laser revealed partial clearing. However, 532 nm Q-switched Nd:YAG pulses produced darkening of tattoo pigment both at the test sites and in the subsequent treatment. CONCLUSION: Q-switched lasers can produce darkening of red tattoo pigment. In some cases this side effect can be used to therapeutic advantage.

Eyebrows↗

PubMed2002

Identification and quantification of para-phenylenediamine in a temporary black henna tattoo.

BACKGROUND: Temporary black henna tattoos are very popular as body adornment. Although contact allergy to natural henna is unusual, the inclusion of hair dye, p-phenylenediamine (PPD), increases the risk of contact sensitization. OBJECTIVE: This study was performed to identify the presence and concentration of PPD in a black henna tattoo mixture to which our patient developed contact allergy. METHODS: The presence of PPD in a black henna tattoo mixture, various samples of commercially available henna powders, and several hair dye products was qualitatively and quantitatively detected using high performance liquid chromatography (HPLC). RESULTS: This study demonstrated that PPD was present in the black henna tattoo mixture at a concentration of 15.7%, which is significantly higher than commercial hair dye preparations. CONCLUSION: The presence of PPD in black henna tattoo mixtures in high concentration poses a health hazard and a risk of allergic contact sensitization with potential long-term consequences.

Adult↗

PubMed1999

Colour shift following tattoo removal with Q-switched Nd-YAG laser (1064/532).

Colour shift in tattoo pigment is a recognised complication of laser tattoo treatment. We report our experience over the past 4 years in treating 275 patients, with a total of 323 professional tattoos. Of these, 184 tattoos contained a pigment other than black with 33 displaying a colour shift as a consequence of laser treatment. This adverse effect was recorded with red, yellow, crimson and brown pigments but most frequently with white/flesh pigments. We found brown and white/flesh coloured pigments to be significantly more likely to change colour compared to red and that the chance of certain colours shifting related to the age of the tattoo. We outline our management of this problem and discuss the results of continued treatment.

Color↗

PubMed2000

Successful removal by ruby laser of darkened ink after ruby laser treatment of mismatched tattoos for acne scars.

Cosmetic tattoos are becoming increasingly popular. Elimination of cosmetic tattoos is sought because of misplacement or migration of tattoo pigment, allergic reactions to the various pigments or dissatisfaction of the customer for various reasons. Removal of unwanted pigment is a domain of laser surgery using various Q-switched laser systems, such as the ruby, alexandrite, pulsed dye and Nd:YAG lasers. Dark colours are easily removed by these lasers, whereas red, pink and skin-toned pigment may turn black if exposed to Q-switched laser light. This ink-blackening occurs because Q-switched lasers heat up the pigments, which consist of ferric oxide, and reduce them into ferrous oxide, which is black. Laser-induced black ink is not always readily removed. A successful ruby laser-removal of laser-induced blackened cosmetic tattoos for acne scar camouflage is reported. The advantageous outcome in this case contrasts with other published cases where laser-darkened pigment had to be removed by other measures, or was permanent. Test site treatment can limit the problem to some degree but, in addition to test-treating, some kind of 'tattoo identification card' could help to prevent problems in this field and allow 'in vitro' test treatment.

Acne Vulgaris↗

PubMed1989

Tattoos of the Marielitos.

Tattoos on Cuban refugees, particularly those who entered the United States during the Mariel Boatlift of 1980, have been associated with both criminal activity and religious affiliations. In an effort to understand better the significance and meanings of these tattoos, a series of interviews (initially informal, followed by a formal survey instrument) were conducted. Examples of the various tattoos were gleaned from the files of the Dade County Medical Examiner Department. In general, tattoos on Cuban refugees signify prior incarceration in Cuban prisons, usually do not reflect criminal specialization, and often reflect affiliation to Afro-Caribbean cults (especially Santeria, Palo Mayombe, and the Abakua Secret Society). In addition, many tattoos reflect the values and attitudes of Cuban jail subculture.

Cuba↗

PubMed2005

Atopy to henna tattoos in children.

Temporary henna tattoos are a popular fashion accessory in recent years. The tattoo dye consists of henna extract from the plant Lawsonia, and p-phenylenediamine to create a darker shade to the tattoo. Increasingly, emergency departments are seeing children with atopic reactions to these tattoos. The p-phenylenediamine component can cause a spongiotic dermatitis with lympho-histiocytic infiltrates. I present two cases of reactions to temporary tattoos in children attending the emergency department. The acute management of these cases and the possible future consequences of sensitization to p-phenylenediamine are discussed.

Adolescent↗

PubMed2006

Malignant melanoma in a tattoo: case report and review of the literature.

Tattooing is a fairly widespread practice worldwide, despite the trauma it entails and the potentially toxic pigments it employs. Several benign and malignant lesions have been described in relation to tattoos, including verrucae, granulomas, basal cell and squamous cell carcinoma. Overall, only 10 cases of malignant melanoma in tattoos are reported in the English literature. We describe a malignant melanoma that developed on a nevus on which a tattoo had been made. The possible pathogenetic relationship between malignant melanoma and tattoos is also discussed.

Adult↗

PubMed1991

Light and electron microscopic analysis of tattoos treated by Q-switched ruby laser.

Short-pulse laser exposures can be used to alter pigmented structures in tissue by selective photothermolysis. Potential mechanisms of human tattoo pigment lightening with Q-switched ruby laser were explored by light and electron microscopy. Significant variation existed between and within tattoos. Electron microscopy of untreated tattoos revealed membrane-bound pigment granules, predominantly within fibroblasts and macrophages, and occasionally in mast cells. These granules contained pigment particles ranging from 2-in diameter. Immediately after exposure, dose-related injury was observed in cells containing pigment. Some pigment particles were smaller and lamellated. At fluences greater than or equal to 3 J/cm2, dermal vacuoles and homogenization of collagen bundles immediately adjacent to extracellular pigment were occasionally observed. A brisk neutrophilic infiltrate was apparent by 24 h. Eleven days later, the pigment was again intracellular. Half of the biopsies at 150 d revealed a mild persistent lymphocytic infiltrate. There was no fibrosis except for one case of clinical scarring. These findings confirm that short-pulse radiation can be used to selectively disrupt cells containing tattoo pigments. The physial alteration of pigment granules, redistribution, and elimination appear to account for clinical lightening of the tattoos.

Biopsy↗

PubMed2005

A temporary henna tattoo causing hair and clothing dye allergy.

Contact dermatitis following the application of temporary paint-on henna tattoos indicates a potentially serious problem of active sensitization. We describe 2 cases involving sisters who travelled to Bali together and acquired a temporary black henna tattoo to the lower back region. Both sisters subsequently developed a contact dermatitis at the tattoo site, the dermatitis disseminating in one sister. There was persistent hyperpigmentation at the tattoo site in both sisters several months after the application. Patch testing revealed a positive reaction to para-phenylenediamine (PPD) in both sisters. One sister also showed reactions to other hair dyes and to multiple organic dyes. Allergic contact dermatitis to PPD contained in temporary henna tattoos is an increasing problem worldwide, with cross-reaction to related compounds and permanent skin changes, a frequent consequence of sensitization to this significant allergen.

Adolescent↗