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Dermatophytosis is a superficial fungal skin infection common in humans around the world and is one of the many zoonotic skin diseases that cat owners are at risk of contracting. This retrospective study was conducted based on a detailed analysis of the results of mycological examination and medical documentation of 56 patients diagnosed with cat-to-human dermatophytoses from January 2017 to July 2022. Zoonotic mycoses were diagnosed more frequently in young people and women. In children, lesions most often occurred in the scalp area, and in adults, in the glabrous skin area. Skin infections caused by Microsporum canis (M. canis) prevailed and were confirmed in 47 patients (83.9%). Trichophyton mentagrophytes (T. mentagrophytes) was found in nine (16.1%) patients. M. canis predominantly caused infections of the scalp, followed by lower limb infections. Hairy scalps were almost exclusively involved in children. The odds of diagnosing M. canis infection compared to T. mentagrophytes infection was significantly higher in the head than in other regions, especially among children. The positive predictive value of a direct macroscopic examination was relatively low. [ABSTRACT FROM AUTHOR]

Introduction: The superficial mycoses remain a group of diseases of public health significance. The increased incidence of mycoses is related, among other factors, to deficiency of the immune system, coexisting systemic and dermatological diseases, long-term, non-target antibiotic therapy and the increase in the number of people at risk of immunosuppression. Objective: To analyze the etiology and epidemiology of mycosis in patients under 18 years of age in the years 2013-2016 diagnosed in the Unit of Medical Mycology at the Department of Dermatology, Poznan University of Medical Sciences. Material and methods: A retrospective, etiological and epidemiological analysis was performed on the incidence of superficial mycosis in 295 patients under 18 years of age diagnosed in the years 2013-2016 in the Unit of Medical Mycology at the Department of Dermatology, Poznan University of Medical Sciences. Results: The study group included mostly cases of dermatophytic superficial mycosis of the scalp with prevalent zoophilic species, including Microsporum canis as the most common. Conclusions: Superficial mycoses are common during childhood. Increased incidence of certain forms of superficial mycoses in children has been observed, for example infections transmitted from exotic animals or onychomycosis. [ABSTRACT FROM AUTHOR]