Fungal infections – Page 8

Frequency, Interval, and Patient Factors Associated With Recurrence of Disseminated Cutaneous Coccidioidomycosis

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This study looked at how often a serious fungal skin infection called coccidioidomycosis comes back after treatment. Researchers found that about 25% of patients experienced at least one recurrence after stopping antifungal medications, with the average time before it returned being 14 months. Some patients had multiple recurrences, and most of the time the infection returned to the same location on the body.

Editorial: Fungal virulence

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Fungal infections are becoming more dangerous and common worldwide, especially as climate change warms the planet. Scientists are studying how fungi develop the ability to cause disease, focusing on features like their stickiness to human tissues and ability to form protective biofilms. Recent research shows that specific proteins and growth conditions affect how dangerous different fungi are and how our immune system responds to them. Understanding these mechanisms could help doctors develop better treatments and vaccines against fungal infections.

Stonebrood Disease—Histomorphological Changes in Honey Bee Larvae (Apis mellifera) Experimentally Infected with Aspergillus flavus

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Stonebrood is a rare fungal disease of honey bees caused by Aspergillus flavus that can kill bee larvae very quickly. Researchers experimentally infected bee larvae with the fungus and tracked how the disease progressed, finding that larvae died within 48 hours of infection. The study revealed that the fungus likely kills bees by producing toxins rather than by physical damage, and poses a health risk to beekeepers who inhale the fungal spores.

Superficial Fungal Infections in Children—What Do We Know?

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Superficial fungal infections like ringworm and athlete’s foot are common in children and are caused by fungi, yeasts, or molds that spread through contact with infected people, animals, or contaminated surfaces. These infections primarily affect the scalp, skin, and nails, with scalp infections being most common in young children. Treatment typically uses topical creams for mild cases or oral medications for more severe infections, particularly those affecting nails or the scalp. Proper hygiene, avoiding contaminated areas, and limiting contact with infected individuals or animals are key to prevention.

Two Cases of Fungal Melanonychia

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This paper describes two unusual cases where fungal infections of the toenails caused dark pigmentation (melanonychia). The first patient had a combination of two fungi (Aspergillus hiratsukae and Trichosporon faecale) causing black nail streaks, while the second had Exophiala xenobiotica and Trichophyton interdigitale causing dark-brown discoloration. Both patients were successfully treated with an antifungal medication called efinaconazole over several months.

PCR enables rapid detection of dermatophytes in practice

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This study shows that a new rapid DNA-based test (PCR) is much faster and more effective than traditional methods for diagnosing fungal skin, hair, and nail infections. While traditional culture methods took about 19 days to get results, the new PCR test gives results in just 16 hours. The PCR test detected more infections and is now the preferred diagnostic method in Northern Finland, helping doctors treat patients more quickly and avoid unnecessary antifungal medications.

Peritoneal dialysis-related peritonitis caused by Fusarium: a case report and literature review

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A 61-year-old farmer with kidney disease on peritoneal dialysis developed a rare fungal infection caused by Fusarium, a fungus found in soil and water. After initial antibiotics failed, doctors identified the fungus and switched to an antifungal medication called voriconazole. By carefully monitoring drug levels in the patient’s blood and adjusting doses, pharmacists helped achieve a successful recovery with complete resolution of symptoms.

New epidemiological routes of Coccidioidomycosis in Mexico – the extension of this pathogen to new areas

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Coccidioidomycosis, a fungal lung disease traditionally found in desert regions of Mexico and the southwestern United States, is spreading to new areas where it was never seen before. Researchers tracked 122 cases between 1991 and 2023 and found that nearly half of the patients had no history of travel to known high-risk areas, suggesting the disease is becoming established in new locations. Climate change and drought conditions are likely helping the fungus expand its range, making it important for doctors everywhere to consider this disease when diagnosing respiratory infections.

Cutaneous Mucormycosis Following Polytrauma: A Multidisciplinary Approach

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A 22-year-old man suffered severe injuries from a motorcycle-truck collision that damaged his perineal area and left thigh. Despite antibiotics and wound therapy, a dangerous fungal infection called mucormycosis developed in the wound. The medical team treated this by repeatedly removing infected tissue, using powerful antifungal medications (amphotericin B and posaconazole), and carefully managing the wound with special therapy before skin grafting, ultimately achieving successful healing.

Coexistence of Malassezia Species and Microsporum canis in the Lesions of Adult with Tinea Capitis

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A 60-year-old woman developed unusual hair loss and rash on her scalp that looked like dandruff. Tests revealed three types of fungi, including Microsporum canis (usually found in animals) and two types of Malassezia yeast. Treatment with antifungal medications for three months cleared the infection. Laboratory experiments showed that the yeast species may actually help the fungus grow better, which could explain why adults sometimes get scalp fungal infections differently than children.

Research Topic: Fungal infections