CLINICAL CHARACTERISTICS OF OTA’S NEVUS PATIENTS TREATED AT 108 MILITARY CENTRE HOSPITAL

Nguyễn Thị Hằng Bàn, Lan Anh Nguyễn, Thị Thu Hải Lê

Main Article Content

Abstract

Objectives: Examination of some clinical features of Ota’s nevus patients treated at 108 Military central Hospital. from August 2023 to July 2025. Methods: A cross-sectional descriptive study of  ota’s nevus was conducted by reviewing the clinical characteristics and photographs of fourty-four patients. Statistical analysis was used to compare outcomes and determine contributing factors clinical features (local symptoms, lesion morphology, lesion location) were collected. Data were analyzed using SPSS version 26.0. Results: Patient ages ranged from 2 months to 43 years (mean 15.23 ± 10.032 years), The male to female ratio was 2.67:1, 86.6% of patients with Ota nevus had onset of the disease ≤ 10 years old. Usually occurs on one side of the face. There were 2 cases of siblings in the same family; 38 patients were classified according to Tanino (86.36%), of which type I accounted for 13.64%, type II accounted for 25%, type III accounted for 38.63%, and type IV accounted for 9.09%; 6 patients could not be classified according to Tanino (13.64%). Conclusion: The clinical features of nevus of Ota are very diverse, so there is no detailed classification that covers all cases. Recognizing the clinical features helps guide the treatment of nevus of Ota.

Article Details

References

Nguyễn Văn Thường, Hình ảnh lâm sàng, chẩn đoán và điều trị trong chuyên ngành da liễu. Nhà xuất bản Y học, 2019. Tập 2: p. trang 77–81.
2. Nguyễn Thế Vỹ, Vũ Mạnh Hùng, Nguyễn Hữu Sáu, cộng sự Đặc điểm lâm sàng bớt Ota. Tạp chí nghiên cứu Y học, 2015. 94(2): p. tr. 80–86.
3. Achavanuntakul, P., et al., Early Treatment Initiation Improves Outcomes in Nevus of Ota: A 10-Year Retrospective Study. Am J Clin Dermatol, 2022. 23(1): p. 105–114.
4. Chan, H.H. and T. Kono, Nevus of Ota: clinical aspects and management. Skinmed, 2003. 2(2): p. 89–96; quiz 97–8.
5. Ge, Y., et al., Comparison of a picosecond alexandrite laser versus a Q-switched alexandrite laser for the treatment of nevus of Ota: A randomized, split-lesion, controlled trial. J Am Acad Dermatol, 2020. 83(2): p. 397–403.
6. Hidano A, K.H., Ikeda S, Mizutani H, Miyasato H, Niimura M, Natural history of nevus of Ota. Arch Dermatol, 1967. 95(2): p. 187–95.
7. Huang, W.-h., et al., A new classification of nevus of Ota. Chinese Medical Journal, 2013. 126(20): p. 3910–3914.
8. Yang, J., et al., Analysis of 28 Chinese Cases of Bilateral Nevus of Ota and Therapeutic Results With the Q-Switched Alexandrite Laser. Dermatol Surg, 2016. 42(2): p. 242–8.