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To the Editor.—
I enjoyed Dr. Donald Moyer's interesting article on Pilonidal Cyst of the scalp (Arch Dermatol 105:578579, 1972). His specific case of pilonidal cyst occurring in a 5-year-old boy following trauma and continuing to age 13 is relatively unique. However, in hair transplant patients, pilonidal cysts of the scalp are not uncommon. I have seen at least three such cases in my own practice. From the last patient, I extracted a matted hunk of hair the diameter of a regular graphite pencil. This was from the donor site of previous transplants. In the other two cases, smaller volumes of hair were removed. Interestingly, if incision and careful teasing out of the hair is done such that the roots remain intact, the hair can be preserved for continued future growth. I write so that when dermatologists see patients who have had transplants and have inflammatory cyst-like lesions of the
Tromovitch TA. Pilonidal Cysts of the Scalp. Arch Dermatol. 1972;106(4):601. doi:10.1001/archderm.1972.01620130107042