Diagnostic methods – mycolab.ai

The 2025 EQUAL Pneumocystis Score—an ECMM tool to measure QUALity in Pneumocystis pneumonia management

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Pneumocystis pneumonia is a serious lung infection that affects people with weakened immune systems, including those with HIV and transplant patients. Doctors use different guidelines to diagnose and treat this infection, but these guidelines are complex and can be hard to follow consistently. Researchers created a new scoring system called the EQUAL Pneumocystis Score that helps doctors follow the best treatment recommendations by assigning points for different diagnostic tests, medications, and follow-up strategies.

Clinical aspects and recent advances in fungal diseases impacting human health

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Fungal infections are increasingly common health threats affecting over a billion people worldwide, ranging from minor allergies to serious life-threatening infections. The biggest problems are that fungi are becoming resistant to current medications, diagnosis can be difficult and slow, and treatment options are limited. Recent developments include new antifungal drugs like ibrexafungerp and rezafungin that work differently from older medications, offering hope for treating resistant infections. Better awareness among doctors and patients, faster diagnostic methods, and responsible use of antifungals are essential to combat this growing public health challenge.

Fungal infection monitoring on corneal epithelium ex vivo model and its collection over polyethersulfone membrane for detecting Candida albicans and Aspergillus fumigatus

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This research develops a new, faster way to diagnose fungal eye infections caused by Candida or Aspergillus fungi. Instead of waiting days for traditional culture tests, doctors can now use specially designed membranes to collect fungal material from the eye surface and identify the infection within hours using a simple fluorescent staining technique. This faster diagnosis allows doctors to choose the most effective treatment immediately, potentially improving vision outcomes for patients with fungal eye infections.

First reported Canadian case of Trichophyton mentagrophytes genotype VII infection among men who have sex with men (MSM)

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A Canadian man contracted a rare fungal skin infection caused by Trichophyton mentagrophytes genotype VII during a trip to Mexico, likely through sexual contact. The infection presented as deep, painful lesions in the genital area that didn’t respond to typical treatments and required 10 weeks of oral and topical antifungal medication to cure. This is the first confirmed case in Canada and highlights the importance of doctors being aware of sexually transmitted fungal infections, especially in patients with unusual rashes that don’t improve with standard treatments.

Optimizing a modified cetyltrimethylammonium bromide protocol for fungal DNA extraction: Insights from multilocus gene amplification

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This research improves how scientists extract DNA from fungi found in dried fruits and other sources. The modified CTAB method is faster, cheaper, and produces higher quality DNA than commercial kits, without requiring special equipment like liquid nitrogen. The extracted DNA works well for identifying fungal species and detecting fungal diseases in fish, plants, and humans, making it valuable for both research and medical diagnostics.

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.

Aspergillus in Children and Young People with Cystic Fibrosis: A Narrative Review

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Cystic fibrosis is a serious genetic disease affecting children that damages the lungs through chronic infections. Aspergillus, a common mold in the environment, colonizes the airways of CF patients and can cause additional lung damage. While new CFTR modulator medications have improved outcomes and reduced Aspergillus infections, more research is needed to better diagnose and treat fungal infections in children with CF.

Cryptococcus neoformans/gattii and Histoplasma capsulatum var. capsulatum infections on tissue sections: Diagnostic pitfalls and relevance of an integrated histomolecular diagnosis

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This research addresses the challenge of identifying two common fungal infections (cryptococcosis and histoplasmosis) when examining tissue samples under a microscope. The study found that these infections often look similar and can be confusing for pathologists. The researchers discovered that looking for specific fungal features, particularly ‘dented-looking’ yeasts, can help differentiate cryptococcosis from histoplasmosis. When standard laboratory tests on fresh tissue aren’t available, using molecular testing (genetic analysis) on preserved tissue samples can successfully identify the fungus in about 75% of cases.

Rhino sinusitis caused by Lasiodiplodia theobromae in a diabetic patient

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A 56-year-old diabetic man developed a sinus infection caused by a rare fungus called Lasiodiplodia theobromae, which typically affects plants. The infection was diagnosed through laboratory testing and DNA sequencing, as traditional identification methods were inconclusive. The patient was successfully treated with a combination of sinus surgery and a six-week course of antifungal medication, showing complete recovery after one year of follow-up.

Changing Climate, Changing Candida: Environmental and Social Pressures on Invasive Candidiasis and Antifungal Resistance in Latin America

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Invasive fungal infections caused by Candida yeasts are becoming more serious in Latin America, with drug-resistant strains spreading rapidly in hospitals. The problem is worsened by climate change and overuse of antifungal medicines in agriculture, which help resistant fungi survive and spread. Many hospitals in the region lack modern diagnostic tools to quickly identify the specific type of infection, delaying treatment. The authors recommend a comprehensive approach combining better environmental monitoring, smarter use of antifungal drugs, improved diagnostic access, and coordinated public health efforts across the region.

Research Topic: Diagnostic methods