Flat Warts (Verrucae Planae) Confined to the Pigment of a Tattoo: A Rare Tattoo-associated Complication.

Nika Filipović, Davor Tomas, Marija Buljan
{"title":"Flat Warts (Verrucae Planae) Confined to the Pigment of a Tattoo: A Rare Tattoo-associated Complication.","authors":"Nika Filipović, Davor Tomas, Marija Buljan","doi":"","DOIUrl":null,"url":null,"abstract":"<p><p>Tattoos are a form of decorative body art in which pigment dyes of different colors are inoculated into the skin. It is estimated that 15-25% of general population has one or more tattoos (1), and the reasons for the popularity of this procedure may include greater social acceptance, aesthetic appeal, or perhaps the option of using laser removal techniques to eliminate unwanted tattoos. Even though modern professional tattoos are usually performed in sterile conditions, complications still occur, and with increasing numbers of people getting tattoos, the incidence of tattoo-associated side-effects presenting to dermatologists, which may be as high as 2%, is likely to increase (2). Herein we present a case of a 43-year-old male patient with multiple HPV-associated flat warts (verrucae planae) confined to the black pigment of a tattoo done 15 years ago. A 43-year-old patient presented to our clinic due to eczema on the trunk. However, during skin examination, we observed asymptomatic verrucous papules confined to the black ink of a tattoo done 15 years ago on the lateral side of his right lower leg (Figure 1a). Clinical examination showed multiple, discrete, skin-colored, verrucous papules disseminated exclusively within the lines of the black-colored tattoo. Full skin examination did not reveal any similar lesions anywhere else on the body. Dermoscopically, papules showed a discretely papillomatous surface and sharp borders (Figure 1b). The patient had another black tattoo on his trunk, in which no similar lesions were found. All his tattoos had been done more than 15 years ago in a professional tattoo salon and with no previous history of cutaneous lesions within tattoos. The patient had no other medical conditions and was not taking any medications. Additionally, no history of warts or other HPV-related lesions of the skin or mucosal membranes could be established. A biopsy of an individual papule was taken and sent for a histopathological analysis, which subsequently showed hyperkeratotic, orthokeratotic, and parakeratotic acanthotic epidermis with hypergranulosis and rare cells with perinuclear halo indicative of koilocytes (Figure 3b). Immunohistochemical analysis showed negative reaction for p16 and p53, while Ki67 was positive only in rare basal and suprabasal cells. These findings were indicative of low-risk HPV, and the diagnosis of HPV-induced verruca plana was ultimately established. The patient was then successfully treated with cautious curettage of the lesions, leaving no scars. Due to the growing popularity of tattoos, especially among younger populations, it is necessary to emphasize the possibility of various tattoo-related side-effects that can still occur due to improper preparation of the tattoo location, contamination of ink products, improperly sterilized instruments, or due to insufficient personal hygiene following tattooing (3). In the past, tattoo-associated infections were significantly more frequent, with the highest prevalence of Staphylococcus and Streptococcus infections causing impetigo, folliculitis, cellulitis, erysipelas, or sepsis (2), but recent improvement and efforts in using sterile techniques in tattooing has led to a significant drop in the number of tattoo-related infections. In this short report, we present a case of a different and a relatively rare type of tattoo-associated infection - flat warts i.e., verrucae planae. Flat warts are usually caused by HPV-3, -6B, -10, -28, and -49. Typical predilection sites are the face, dorsal sides of the hands or feet, arms, and legs, and they usually appear as skin-colored, pink, or brown, flat-topped discrete papules. It is believed that HPV can be inoculated through contaminated ink, instruments, the artist's saliva, or that it may be a pre-existing unnoticed wart in the tattooed area (4-6). The latency period between tattooing and HPV infection can range from several months to 10 years, with a mean period of 5 years (3). This may suggest that the immune system can control the infection for some time, and that some form of immune suppression may result in the development of a clinical disease. In our case, the latency period could not be established due to the patient's unawareness of the lesions, and no potential trigger could be identified. The occurrence of lesions on only one of the patient's tattoos as well as their confinement to the black pigmented ink may indicate a correlation to this specific pigment. Ramey et al. (6) conducted a study in which they assessed the localization of warts in differently colored tattoos. The results showed that black ink tattoos had a seven times higher risk of developing warts when compared with colored ink. At first it was thought that this was due to HPV inoculation via contaminated instruments, ink, or autoinoculation of the patient's own warts, but some evidence indicates that it is unlikely for HPV to survive in ink and that if the warts were inoculated they would occur equally in all ink colors. A different theory by Ruocco et al. (7) explains this phenomenon through an \"immunocompromised district\" mechanism, in which polycyclic aromatic hydrocarbons found in black ink produce reactive oxygen species (ROS) that can damage cellular structures and consequently increase the risk of a variety of infections, including HPV. Moreover, black ink contains almost pure nanoparticles, which are associated with greater ROS production than the larger particles found in colored ink (7,8). There are several treatment options for verrucae planae, such as liquid nitrogen cryotherapy, topical 5% fluorouracil, topical 5% imiquimod, 0.025-0.050% tretinoin, 10% salicylic acid, or 10-30% glycolic acid. These treatments have differing success rates. Destructive modalities, such as surgical excision, curetting, or laser ablation may significantly damage the tattoo and cause scarring, and are thus not regularly performed. It's necessary to emphasize that despite today's sterile methods of tattooing, complications may still occur and medical professionals, namely dermatologists, should be aware of them. A person who wishes to get a tattoo should be advised to visit a licensed tattoo artist at a licensed tattoo parlour only. Patients with pre-existing dermatoses characterized by an isomorphic phenomenon, such as psoriasis or lichen planus, are particularly prone to developing a tattoo-associated adverse reaction, and those with severe dermatoses should be advised to avoid tattooing. Additionally, people with a previous history of warts should be aware of the possibility of warts occurrence, even years or decades after tattooing. Even though most of tattoo-related side effects are merely inconveniences, there is a potential for serious complications and patients should be advised as such.</p>","PeriodicalId":94367,"journal":{"name":"Acta dermatovenerologica Croatica : ADC","volume":"31 2","pages":"112-114"},"PeriodicalIF":0.0000,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Acta dermatovenerologica Croatica : ADC","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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Abstract

Tattoos are a form of decorative body art in which pigment dyes of different colors are inoculated into the skin. It is estimated that 15-25% of general population has one or more tattoos (1), and the reasons for the popularity of this procedure may include greater social acceptance, aesthetic appeal, or perhaps the option of using laser removal techniques to eliminate unwanted tattoos. Even though modern professional tattoos are usually performed in sterile conditions, complications still occur, and with increasing numbers of people getting tattoos, the incidence of tattoo-associated side-effects presenting to dermatologists, which may be as high as 2%, is likely to increase (2). Herein we present a case of a 43-year-old male patient with multiple HPV-associated flat warts (verrucae planae) confined to the black pigment of a tattoo done 15 years ago. A 43-year-old patient presented to our clinic due to eczema on the trunk. However, during skin examination, we observed asymptomatic verrucous papules confined to the black ink of a tattoo done 15 years ago on the lateral side of his right lower leg (Figure 1a). Clinical examination showed multiple, discrete, skin-colored, verrucous papules disseminated exclusively within the lines of the black-colored tattoo. Full skin examination did not reveal any similar lesions anywhere else on the body. Dermoscopically, papules showed a discretely papillomatous surface and sharp borders (Figure 1b). The patient had another black tattoo on his trunk, in which no similar lesions were found. All his tattoos had been done more than 15 years ago in a professional tattoo salon and with no previous history of cutaneous lesions within tattoos. The patient had no other medical conditions and was not taking any medications. Additionally, no history of warts or other HPV-related lesions of the skin or mucosal membranes could be established. A biopsy of an individual papule was taken and sent for a histopathological analysis, which subsequently showed hyperkeratotic, orthokeratotic, and parakeratotic acanthotic epidermis with hypergranulosis and rare cells with perinuclear halo indicative of koilocytes (Figure 3b). Immunohistochemical analysis showed negative reaction for p16 and p53, while Ki67 was positive only in rare basal and suprabasal cells. These findings were indicative of low-risk HPV, and the diagnosis of HPV-induced verruca plana was ultimately established. The patient was then successfully treated with cautious curettage of the lesions, leaving no scars. Due to the growing popularity of tattoos, especially among younger populations, it is necessary to emphasize the possibility of various tattoo-related side-effects that can still occur due to improper preparation of the tattoo location, contamination of ink products, improperly sterilized instruments, or due to insufficient personal hygiene following tattooing (3). In the past, tattoo-associated infections were significantly more frequent, with the highest prevalence of Staphylococcus and Streptococcus infections causing impetigo, folliculitis, cellulitis, erysipelas, or sepsis (2), but recent improvement and efforts in using sterile techniques in tattooing has led to a significant drop in the number of tattoo-related infections. In this short report, we present a case of a different and a relatively rare type of tattoo-associated infection - flat warts i.e., verrucae planae. Flat warts are usually caused by HPV-3, -6B, -10, -28, and -49. Typical predilection sites are the face, dorsal sides of the hands or feet, arms, and legs, and they usually appear as skin-colored, pink, or brown, flat-topped discrete papules. It is believed that HPV can be inoculated through contaminated ink, instruments, the artist's saliva, or that it may be a pre-existing unnoticed wart in the tattooed area (4-6). The latency period between tattooing and HPV infection can range from several months to 10 years, with a mean period of 5 years (3). This may suggest that the immune system can control the infection for some time, and that some form of immune suppression may result in the development of a clinical disease. In our case, the latency period could not be established due to the patient's unawareness of the lesions, and no potential trigger could be identified. The occurrence of lesions on only one of the patient's tattoos as well as their confinement to the black pigmented ink may indicate a correlation to this specific pigment. Ramey et al. (6) conducted a study in which they assessed the localization of warts in differently colored tattoos. The results showed that black ink tattoos had a seven times higher risk of developing warts when compared with colored ink. At first it was thought that this was due to HPV inoculation via contaminated instruments, ink, or autoinoculation of the patient's own warts, but some evidence indicates that it is unlikely for HPV to survive in ink and that if the warts were inoculated they would occur equally in all ink colors. A different theory by Ruocco et al. (7) explains this phenomenon through an "immunocompromised district" mechanism, in which polycyclic aromatic hydrocarbons found in black ink produce reactive oxygen species (ROS) that can damage cellular structures and consequently increase the risk of a variety of infections, including HPV. Moreover, black ink contains almost pure nanoparticles, which are associated with greater ROS production than the larger particles found in colored ink (7,8). There are several treatment options for verrucae planae, such as liquid nitrogen cryotherapy, topical 5% fluorouracil, topical 5% imiquimod, 0.025-0.050% tretinoin, 10% salicylic acid, or 10-30% glycolic acid. These treatments have differing success rates. Destructive modalities, such as surgical excision, curetting, or laser ablation may significantly damage the tattoo and cause scarring, and are thus not regularly performed. It's necessary to emphasize that despite today's sterile methods of tattooing, complications may still occur and medical professionals, namely dermatologists, should be aware of them. A person who wishes to get a tattoo should be advised to visit a licensed tattoo artist at a licensed tattoo parlour only. Patients with pre-existing dermatoses characterized by an isomorphic phenomenon, such as psoriasis or lichen planus, are particularly prone to developing a tattoo-associated adverse reaction, and those with severe dermatoses should be advised to avoid tattooing. Additionally, people with a previous history of warts should be aware of the possibility of warts occurrence, even years or decades after tattooing. Even though most of tattoo-related side effects are merely inconveniences, there is a potential for serious complications and patients should be advised as such.

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扁平疣(扁平疣)局限于纹身色素:一种罕见的纹身相关并发症。
起初,人们认为这是由于HPV通过受污染的仪器、墨水或患者自身疣的自体接种而接种所致,但一些证据表明,HPV不太可能在墨水中存活,如果接种了疣,它们将在所有墨水颜色中平等地发生。Ruocco等人(7)的另一种理论通过“免疫功能受损区”机制解释了这一现象,其中在黑色墨水中发现的多环芳烃产生活性氧(ROS),可以破坏细胞结构,从而增加包括HPV在内的各种感染的风险。此外,黑色墨水含有几乎纯的纳米颗粒,与彩色墨水中发现的大颗粒相比,它们与更多的活性氧产生有关(7,8)。扁平疣有几种治疗方案,如液氮冷冻疗法、5%氟尿嘧啶外用、5%咪喹莫德外用、0.025-0.050%维甲酸、10%水杨酸或10-30%乙醇酸。这些治疗方法有不同的成功率。破坏性的方式,如手术切除、刮除或激光消融可能会严重损害纹身并造成疤痕,因此不定期进行。有必要强调的是,尽管今天的纹身方法是无菌的,但仍然可能出现并发症,医学专业人士,即皮肤科医生应该注意这些问题。想要纹身的人应该被建议只去有执照的纹身店找有执照的纹身师。既往患有以同构现象为特征的皮肤病的患者,如牛皮癣或扁平苔藓,特别容易出现与纹身相关的不良反应,应建议患有严重皮肤病的患者避免纹身。此外,有过疣史的人应该意识到疣发生的可能性,甚至在纹身后几年或几十年。虽然大部分纹身副作用只是不方便,但也有可能出现严重的并发症,因此要慎重对待。
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