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With results as early as 48 hours after inoculation, you can deliver the immediate test results your clients want, allowing for prompt treatment of your patients.
At Biomed, we understand that fungal culture is the most accurate means of diagnosis.. FungID products contain very similar nutrients/compounds; however, the main difference is that InTray DM FungID's dermatophyte media has a ‘presumptive’ dermatophyte positive color change indicator, phenol red. This molecule gives a yellow color in acidic microenvironments and turns to red in alkali conditions. Dermatophyte fungi generally turn DM media from yellow to red as soon as the fungal colony can be seen with the naked eye.
As standard procedure, most clinical labs use SAB w/CC as their primary plating media for dermatophytes. InTray SAB w/CC has the additional benefit of 100x magnification microscopy direct from InTray device — with no need for replating.
InTray improves efficiency because the culture can be scanned directly for fungal hyphae that have distinguishing morphology (micro/macro conidia et al) that may be worth the effort of further work-up. For some species of fungi, diagnostic morphology can be distinguished from InTray 100x magnification alone. Biomed can provide photo validation.
A color change may occasionally be produced by a specimen heavily contaminated with saprophytic fungi or bacteria. However, differentiation from dermatophytes can be made as follows:
Dermatophytes are fungi in the genera Microsporum, Tricophyton and Epidermophyton. They are capable of metabolizing keratin found in skin, hair and nails of living hosts. The fungi characteristically may invade the cutaneous tissue of the living host but rarely penetrate the subcutaneous tissue. Tinea and ringworm are two terms commonly used to describe dermatophytes
Medical Mycologists know that fungal culture is a critical to accurate diagnosis of fungal pathogens.
Preliminary results from the evaluation of a simple diagnostic procedure for the detection of dermatophytes in companion animals.
Comparative study of different microscopic techniques and culture media for the isolation of dermatophytes.