Annales de dermatologie et de venereologie · 2023
Clinical characteristics of 47 children with pigmentary mosaicism: A cross-sectional study.
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Yorulmaz A, Hayran Y, Akbas A, Yakut H-I
Аннотация
BACKGROUND: Pigmentary mosaicism (PM), also known as Blaschkoid dyspigmentation, is a rare pigmentary anomaly. Although several case reports have been published describing extracutaneous manifestations associated with PM, there are very few studies on the clinical characteristics of patients with PM.
AIM: To describe the clinical characteristics of patients with PM.
PATIENTS AND METHODS: This descriptive cross-sectional study was conducted among 47 children examined by a dermatologist and a pediatrician. The pattern and location of the PM, type of pigmentation and extracutaneous manifestations were documented.
RESULTS: The most common pattern of PM was narrow-band PM, followed by broad-band and checkerboard patterns. The trunk was the most affected region, followed by the legs and arms. PM manifested as hypopigmentation in 51.1% of cases, as hyperpigmentation in 27.6%, and as hypo/hyperpigmentation in 21.2%. Accompanying diseases were present in 40.4% of patients: neuropsychiatric diseases were the most common, followed by endocrinological or hematological diseases and growth/developmental delay.
CONCLUSION: PM has been associated with several extracutaneous findings but there is still some debate whether these associations reflect different PM phenotypes or whether they are simply coincidental. Our study suggests that extracutaneous involvement in PM patients is frequent, thus warranting careful examination of PM patients.
AIM: To describe the clinical characteristics of patients with PM.
PATIENTS AND METHODS: This descriptive cross-sectional study was conducted among 47 children examined by a dermatologist and a pediatrician. The pattern and location of the PM, type of pigmentation and extracutaneous manifestations were documented.
RESULTS: The most common pattern of PM was narrow-band PM, followed by broad-band and checkerboard patterns. The trunk was the most affected region, followed by the legs and arms. PM manifested as hypopigmentation in 51.1% of cases, as hyperpigmentation in 27.6%, and as hypo/hyperpigmentation in 21.2%. Accompanying diseases were present in 40.4% of patients: neuropsychiatric diseases were the most common, followed by endocrinological or hematological diseases and growth/developmental delay.
CONCLUSION: PM has been associated with several extracutaneous findings but there is still some debate whether these associations reflect different PM phenotypes or whether they are simply coincidental. Our study suggests that extracutaneous involvement in PM patients is frequent, thus warranting careful examination of PM patients.