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July 1947


Author Affiliations


From the Dermatological Service of Mount Sinai Hospital.

Arch Derm Syphilol. 1947;56(1):112. doi:10.1001/archderm.1947.01520070115014

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The technic of nail culture to demonstrate fungous infection, in our experience, has not been satisfactory. Scrapings of suspect nails may be difficult to secure, and the tiny particles which are teased away present manipulative difficulties when they are transferred to the culture medium.

As a step in the therapeutic management of infected finger nails, as originally suggested to us by Dr. Samuel Peck, it has been our custom to employ an electric hand drill which quickly and painlessly pares away diseased nail substance.

Whenever the rapidly revolving burr makes contact with the nail a fine cloud of nail dust is thrown forward in the direction of revolution.

It occurred to us that if this particulate stream were to be directed into a culture medium, it would afford a rapid and effective method for thoroughly seeding a slant culture or a Petri dish. Experience has confirmed the value of this

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