. Elementary and dental radiography / by Howard Riley Raper . Fig. 409A. Case of alopecia produced in ef-fort to make anteroposterior radiograph ofthe antra. Fig. 469B. Same as Fig. 469A about threemonths later, showing new growth of hair. Male, age 30. Blonde, fine, thin hair. Repeated exposure for frontalsinus examination netting a dose of about 900 milliampere-seconds inthree days, distance between target and skin about 9 inches, no filter one month after exposure the hair commenced to come out of theregion of the head exposed, continuing to come out for about two months,at the e
. Elementary and dental radiography / by Howard Riley Raper . Fig. 409A. Case of alopecia produced in ef-fort to make anteroposterior radiograph ofthe antra. Fig. 469B. Same as Fig. 469A about threemonths later, showing new growth of hair. Male, age 30. Blonde, fine, thin hair. Repeated exposure for frontalsinus examination netting a dose of about 900 milliampere-seconds inthree days, distance between target and skin about 9 inches, no filter one month after exposure the hair commenced to come out of theregion of the head exposed, continuing to come out for about two months,at the end of which time the head was quite bald. Almost immediatelythen the hair commenced to come in again and conditions were normalonce more at the end of about two more months. There was never anydermatitis. I have received several similar histories from various men. In onecase the hair commenced to fall out 3 days after exposure and the patientwas bald in about 10 days, but in this case, as well as all others, it cameback. The tendency is to say that the hair
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