THE Quarterly Cumulative Index Medicus contains references to many articles on diseases occurring simultaneously in identical twins. However, there are almost no articles concerning diseases of the skin in such persons, and none whatever concerning acne.
The literature contains a few articles dealing with the treatment of acne with penicillin.1 In general, it has been found that the drug has been of little value against this disease, although it must be noted that the doses were relatively small and the treatment was continued for only a short time. With these facts in mind, it seems worth while to report the use of penicillin in treating a pair of identical twins for acne indurata with accompanying subcutaneous abscesses.
Jack and Gene H. were first seen by me in November 1944. There were seven other children in the family, one of whom, a younger girl, had mild acne. The twins
HAZEN HH. ACNE INDURATA IN IDENTICAL TWINS TREATED BY PENICILLIN. Arch Derm Syphilol. 1946;53(3):232–233. doi:10.1001/archderm.1946.01510320022003
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