Fig. 6. Tinea capitis due to M. audouini. A, scattered scaly patches of pseudo-alopecia 

 containing hair stumps in a boy aged 7. B, the same patient, showing extension of infection to 

 the smooth skin of the forehead. C, regrowth of hair lias masked the disease. D, luminogram 

 of the patient shown in C, revealing infected hairs. Examination of patients under filtered 

 ultraviolet rays often brings to light hidden foci not detectable during the ordinary clinical 

 examination. E, pustular ringworm of the type more commonlj caused by M. lanosum. F, 

 complete epilation of scalp hair following roentgen treatment. This is the therapy of choice 

 in most instances of tinea capitis caused by M. audouini. 



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