Successful and quick treatment of nevus of Ota with 755nm picosecond laser in Chinese

Luo, Binping; Kang, Liyang; Lu, Jianyun

doi:10.1080/14764172.2020.1740274

Cited by 4 publications

(5 citation statements)

References 11 publications

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Section: Discussionsupporting

confidence: 91%

“…There was no relapse of pigmentation within 6 months after the final session in our study, which is consistent with other studies using picosecond laser treatment for benign pigmentary lesions in Asian ethnic groups. 23,34 However, around one-fifth of our patients had a relapse of pigmentation during the follow-up of up to 2 years. The explicit mechanisms underlying the recurrence of nevus of Ota remain unclear; nevertheless, evidence from other studies suggests that the multipotent dermal stem cells (DSCs) may play a role.…”

Section: Discussionmentioning

confidence: 69%

“…Others 6,22,23,33,34 have tried picosecond 755-nm alexandrite lasers in treating pigmentary lesions other than tattoos, with mixed results. Chan et al 23 applied this laser therapy in 13 adults or pediatric patients with unwanted pigmentary lesions.…”

Section: Discussionmentioning

confidence: 99%

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Efficacy and safety of picosecond 755‐nm alexandrite laser for treatment of nevus of Ota in Taiwanese children: A retrospective study

et al. 2021

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Objectives To evaluate the efficacy and safety of picosecond 755‐nm alexandrite laser in the treatment of nevus of Ota in children. Materials and Methods A retrospective study was conducted by reviewing medical charts and photographs of 86 Taiwanese children with various types of nevus of Ota between January 2017 and September 2020. Picosecond 755‐nm alexandrite laser therapy was used to treat pigmentary lesions. Percent clearance of lesions during treatment and the treatment time required to achieve 95%–100% clearance were determined. Results According to Tanino's classification or Peking University Medical College Hospital (PUMCH) classification of nevus of Ota, most patients belonged to Tanino's Type II (32%) and Type III (38%) or PUMCH Type IIb (33%) and Type IIIb (26%), which indicated that the nevus was mainly distributed in the forehead, upper and lower eyelid, zygomatic, cheek, and temple regions. After treatment with picosecond 755‐nm alexandrite laser, 96.5% of the patients achieved 95%–100% clearance with an average of 4.3 treatment sessions. The earlier onset of lesions (before 5 months of age) and the darker Fitzpatrick skin types (type IV vs. type III) significantly increased the number of treatments required to achieve clear response, while sex, age at first treatment, Tanino's classification of nevus, and color of nevus had no significant effect. Posttreatment hypopigmentation or hyperpigmentation was transient and resolved within 6 months. No serious response of the skin was evident. Conclusion Picosecond 755‐nm alexandrite laser treatment of nevus of Ota in children was safe and effective. The treatment was well‐tolerated, and only a few transient, minor side effects occurred.

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Section: Discussionsupporting

confidence: 91%

Section: Discussionmentioning

confidence: 69%

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Efficacy and safety of picosecond 755‐nm alexandrite laser for treatment of nevus of Ota in Taiwanese children: A retrospective study

et al. 2021

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“…There have been numerous reports of successful treatment of cosmetically bothersome dermal melanocytoses with a 755‐nm picosecond laser. According to the authors, in the six patients treated, the lesions almost completely disappeared after only one or two treatment sessions [30]. There has been an ongoing discussion about the risks of laser treatment regarding follow‐up monitoring for MN.…”

Section: Ito’s Nevus and Ota’s Nevusmentioning

confidence: 99%

The spectrum of melanocytic nevi and their clinical implications

Frischhut

Zelger

André

et al. 2022

J Deutsche Derma Gesell

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Summary The magnitude of the topic of melanocytic nevi (MN) is directly related to its relevance in everyday clinical work. The different MN have different prognostic significance in regard to comorbidity and possible risk of transformation. In addition to the criteria of the ABCDE rule, relevant criteria in the assessment of an MN are the time of occurrence, the growth tendency, the distribution and the comparison with other MN of the respective individual. The present CME article provides an overview of the knowledge that has been gained with regard to the development and genetic background of MN and any risk of degeneration that may exist. In addition, certain clinical and/or dermatoscopic features may provide the clinician with a decision‐making aid in the management of different MNs.

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“…Es wird immer wieder über eine erfolgreiche Therapie mit einem 755-nm-Pikosekundenlaser von kosmetisch sehr störenden dermalen Melanozytosen berichtet. Laut Autoren waren die Läsionen bei den sechs behandelten Patienten nach nur ein oder zwei Behandlungen fast vollständig verschwunden [30]. Über die Risiken einer Lasertherapie in Bezug auf die Verlaufskontrollen bei MN wird immer wieder diskutiert.…”

Section: Gen Dermatologische Manifestationenunclassified

Das Spektrum melanozytärer Nävi und deren klinische Bedeutung

Frischhut

Zelger

André

et al. 2022

J Deutsche Derma Gesell

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Zusammenfassung Die Größe der Thematik melanozytärer Nävi (MN) steht in einem direkten Verhältnis zur Relevanz in der alltäglichen klinischen Arbeit. Die klinische Präsentation ist hochgradig variabel und verschiedene MN haben unterschiedliche prognostische Bedeutung in Bezug auf Komorbidität und mögliches Entartungsrisiko. Relevante Kriterien in der Einschätzung eines MN sind neben den Kriterien der ABCDE‐Regel der Zeitpunkt des Auftretens des MN, die Wachstumstendenz, die Verteilung und der Vergleich mit anderen MN des jeweiligen Individuums. Es soll hier eine Übersicht gegeben werden, welche Erkenntnisse in Bezug auf die Entwicklung und genetischen Hintergründe MN und ein gegebenenfalls bestehendes Entartungsrisiko gewonnen werden konnten. Zudem können gewisse klinische und/oder dermatoskopische Merkmale dem Kliniker eine Entscheidungshilfe im Management unterschiedlicher MN liefern.

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Successful and quick treatment of nevus of Ota with 755nm picosecond laser in Chinese

Cited by 4 publications

References 11 publications

Efficacy and safety of picosecond 755‐nm alexandrite laser for treatment of nevus of Ota in Taiwanese children: A retrospective study

Efficacy and safety of picosecond 755‐nm alexandrite laser for treatment of nevus of Ota in Taiwanese children: A retrospective study

The spectrum of melanocytic nevi and their clinical implications

Das Spektrum melanozytärer Nävi und deren klinische Bedeutung

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