dermatophyte infection

Three cases of easy to be misdiagnosed tinea of vellus hair

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This case report describes three patients (ages 2-24) who had skin infections caused by a fungus called Microsporum canis that initially was misdiagnosed as eczema or other simple skin conditions. The infections involved fine vellus hair and required prolonged combined treatment with both oral and topical antifungal medications to fully resolve. The key lesson is that proper fungal testing and extended treatment similar to scalp ringworm protocols are necessary for treating these easily-missed infections.

Epidermophyton floccosum, an etiological agent of tinea pedis and tinea unguium: about two cases

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Two elderly patients were diagnosed with fungal nail and foot infections caused by Epidermophyton floccosum, a fungus that has become less common in recent years. Both cases were confirmed using advanced molecular testing (real-time PCR) alongside traditional laboratory methods. The infections were successfully treated with terbinafine, an antifungal medication. This case report highlights the importance of using modern diagnostic techniques to accurately identify and treat fungal infections.

Combination of Q-switched 1,064 and 532 nm Nd: YAG laser in the treatment of toenail onychomycosis: a pilot study

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This study tested a laser treatment using two different wavelengths (1,064 and 532 nanometers) to treat toenail fungal infections. Fifteen patients with toenail fungus received eight weekly laser sessions. The treatment was safe and worked best for mild cases, curing 100% of them, but was less effective for severe infections. Although patients experienced some pain during treatment, the overall results suggest laser therapy could be a useful option for treating mild fungal toenail infections without the side effects of oral medications.

Unmasking Tinea Incognito: Case Study, Insights Into the Pathogenesis, and Recommendations

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A 29-year-old woman was incorrectly treated for psoriasis with steroids, which made her fungal infection worse instead of better. When doctors finally diagnosed her with a fungal infection (tinea incognito), they found it was caused by a common dermatophyte fungus. This case highlights how steroid creams can hide fungal infections and make them spread, and shows why recognizing this condition is important for proper treatment.

SUB6 Subtilisin is Involved During the Initial Adhesion of Trichophyton benhamiae and T. mentagrophytes onto Reconstructed Human Epidermis

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This study examined how a fungal protein called SUB6 helps dermatophytes (fungi causing ringworm) stick to human skin. Researchers used genetically modified fungi without SUB6 and found that these strains had difficulty initially attaching to skin but eventually infected it anyway. The results suggest SUB6 is a useful marker for detecting fungal infections but isn’t absolutely necessary for the fungus to cause disease.

Characterization of Biofilm Formation by the Dermatophyte Nannizzia gypsea

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This study examined how Nannizzia gypsea, a fungus that causes skin infections in humans and animals, forms protective biofilms that make it resistant to antifungal drugs. Researchers found that the fungus creates a robust protective layer with specific molecular components and highly expresses genes related to virulence and drug resistance when in biofilm form. These findings help explain why dermatophyte infections are difficult to treat and recur frequently.

Superficial Fungal Infections in Children—What Do We Know?

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Fungal infections of the skin, hair, and nails are increasingly common in children worldwide, especially in warm, humid climates and in crowded living conditions. These infections are caused by germs that live on the skin and can spread through contact with infected people or animals. Children are particularly vulnerable due to their developing immune systems, but most infections are treatable with topical creams or oral medications, with terbinafine being the most effective option currently available.

Rediscovery of viomellein as an antibacterial compound and identification of its biosynthetic gene cluster in dermatophytes

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Researchers discovered that dermatophytes, fungi that cause common skin infections like athlete’s foot, produce a red pigment called viomellein that kills bacteria. By studying the genes responsible for making this compound, scientists found that most dermatophytes produce it, which may help explain how these fungi establish infections on skin despite the presence of protective bacteria. This discovery opens new possibilities for understanding skin infections and potentially developing new treatments.

Genome characterization of Trichophyton mentagrophytes genotype VII strain PG12DES from Italy

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Researchers in Italy studied a fungal strain that causes skin infections, particularly ringworm and related conditions. This strain is spreading globally and can potentially be transmitted through sexual contact. The study found that the Italian strain is closely related to another strain found in Moldova and is susceptible to currently used antifungal medications. Understanding this fungus at the genetic level helps doctors monitor its spread and identify if it develops resistance to treatments.

Research Keyword: dermatophyte infection