TY - JOUR T1 - ERythema nodosum Y1 - 1939/01/14 N1 - 10.1001/jama.1939.02800020053015 JO - Journal of the American Medical Association SP - 147 EP - 148 VL - 112 IS - 2 N2 - A small epidemic of erythema nodosum of exceptional interest, involving fourteen cases, has been reported recently by Brandon and his colleagues1 from Canada. The school in which the epidemic occurred was attended by 173 boys from 10 to 19 years of age and was situated on a 300 acre farm with widely spaced buildings. There was a staff of thirty-five persons. The boys slept in five cottages, each with a capacity of forty-two. There was, however, ample opportunity for contact between the boys outside their cottages. Careful epidemiologic, clinical and laboratory observations were made. Tuberculin tests were made on 158 of the 173 boys; 139 of them reacted positively to 1 mg. of tuberculin or less. Eight of the cases of erythema nodosum occurred in one cottage, four in another, one in each of two others and none in the fifth cottage. All fourteen of the boys were found SN - 0002-9955 M3 - doi: 10.1001/jama.1939.02800020053015 UR - http://dx.doi.org/10.1001/jama.1939.02800020053015 ER -