Fungal diseases cannot be diagnosed by culturing a sample because they don't grow in culture. True or false?

• A. True
• B. False
• C. Sometimes
• D. Not applicable

Answer: (B)

Fungal infections can indeed be diagnosed by culture because many pathogenic fungi will grow when provided the right nutrients and conditions. Culturing allows us to isolate the organism to identify it and to test for antifungal susceptibility, which is a key part of diagnosis and treatment planning. While some fungi are slow-growing or require specialized media and incubation times, many common fungal pathogens such as dermatophytes and yeasts like Candida will grow in culture on appropriate media like Sabouraud dextrose agar. In practice, culture is often used alongside microscopic examination, histopathology, serology, or molecular methods to improve diagnostic accuracy, especially when growth is slow or uncertain. Therefore, the statement is false.