Which of the following Trichophyton spp. grows slowly (14 to 30 days) and best at 35°C to 37°C? In addition, enriched media with thiamine and inositol enhance its growth
a. Trichophyton verrucosum
b. Trichophyton tonsurans
c. T. rubrum
d. T. mentagrophytes
A
T. verrucosum grows slowly (14 to 30 days), and growth is enhanced at 35°C to 37°C on media enriched with thiamine and inositol. T. verrucosum may be suspected when slow-growing colo-nies appear to embed themselves into the agar surface.
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