Methods of Local Therapy for Tinea Capitis Due to Microsporon Audouini

The increase in recent years in the incidence of tinea capitis due to Microsporon audouini in the United States and Canada has more sharply focused our attention on the need for a method of local therapy effective against that organism.1Epilating doses of low voltage roentgen irradiation (Kienböch-Adamson technic)2is the treatment of choice in the management of tinea capitis caused by fungi not usually transferable to animals (i. e. that due to M. audouini, Trichophyton violaceum and Achorion schoenleinii—the "human" types). On the other hand, ringworm of the scalp due to fungi which are also pathogenic to animals (i. e. Microsporon lanosum, Microsporon fulvum and Trichophyton gypseum—the "animal" types) has presented no unusual therapeutic problem because of the rapid response of these fungi to almost any method of antiseptic or fungicidal local therapy plus their tendency to run a self-limited course. Thallium salts administered orally have enjoyed