December 2022 in “Exploratory animal and medical research” This study found that acral lick dermatitis in dogs has a higher prevalence in young male dogs, especially Labrador retrievers, during colder months, with psychogenic triggers being the most common cause.
October 2025 in “Indian Journal of Paediatric Dermatology” This case study documents a boy with zinc-responsive acral hyperkeratosis improving significantly after zinc supplementation, suggesting it could result from inadequately treated acrodermatitis enteropathica.
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August 2022 in “Piel” This study found a statistically significant association between dermatological manifestations with vasculonecrotic damage and increased probability of severe COVID-19 disease among patients in Guatemala.
October 2021 in “Brazilian Journal of Health Review” This review discusses common dermatological findings related to SARS-CoV-2 infection, noting their variability and potential psychological impact, but reports no new clinical results; further studies are needed for precise characterization.
This study found clinical markers like leukotrichia and trichrome lesions in non-segmental vitiligo patients were linked to greater disease extent and poor response to treatment.