As so little is known about the causation of alopecia areata, I am reporting a case in which the condition was apparently of dental origin.
REPORT OF A CASE
The patient, an American-born white man aged 29, was first seen by me on Dec. 22, 1936. At this time the scalp was entirely bald except for a preauricular vestige on each side. The eyebrows, eyelashes and beard were missing, as was all of the hair on the body except that of the pubic region.The patient stated that he had first noted a gradual loss of hair of the scalp about three and one-half years previously, at which time the hair of both the scalp and the beard "commenced falling out in patches." He was seen by a dermatologist, who arranged for a complete physical examination and laboratory tests, the results of all of which were normal. At the onset