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April 1961

Bristle Migrans

Author Affiliations


Assistant Professor of Dermatology, Graduate School of Medicine, University of Pennsylvania; Senior Attending Dermatologist, Albert Einstein Medical Center, Northern Division (Dr. Schamberg). Associate in Dermatology, School of Medicine and Graduate School of Medicine, University of Pennsylvania (Dr. Strauss).

Arch Dermatol. 1961;83(4):663. doi:10.1001/archderm.1961.01580100127023

A 15-month-old female infant, who had never been away from the Philadelphia suburbs, was seen by one of us in regard to a lesion on the right sole, first noted 2 days previously. According to the parents, a black threadlike line seemed to be migrating across the sole. It has caused the baby no itching or other discomfort. On examination a thin wheal-like burrow was noted, which extended in a U-shaped pattern, at the advancing end of which a black line approximately 2 centimeters in length was evident. A diagnosis of larva migrans was made. The family had bought a puppy 4 months previously, and the pup was still not housebroken. It was believed that the animal was infected with Ancylostoma caninum (dog hookworm), and that the infant had contracted the infection by toddling barefoot on contaminated carpet.

The lesion was sprayed with Fluoro-ethyl, and it was advised that the

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