The opinions or assertions contained herein are the private ones of the writer, and are not to be construed as official or reflecting the view of the Navy Department or the Naval Service at large.
In the last 10 years there has been some interest in the correlation of the classical postanal pilonidal sinus with pilonidal sinuses elsewhere.1-5 It appears fairly well established that the presence of hairs in all these lesions is accidental; that is, they are introduced from the outside.
In 1950 Schulze6 reported the presence of hair as a foreign body in the sole. Some recent clinical observations of mine indicate that this may not be as rare a condition as the paucity of similar reports might indicate.
On May 7, 1956, a 40-year-old housewife reported to the hospital seeking aid for a tender lesion on the right sole. She stated
MORRELL JF. "Pilonidal" Sinus of the Sole. AMA Arch Derm. 1957;75(2):269. doi:10.1001/archderm.1957.01550140113022
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