1 Pediatric Service, Madigan General Hospital, Tacoma, Washington 98431
2 Dermatology Service, Department of Medicine, Tacoma, Washington 98431
A case of extensive tinea corporis, due to Microsporum canis, occurring in an infant less than 3 weeks of age is described. This is the youngest infant reported to have this disease. It responded promptly to topical therapy with tolnaftate solution.