While this appears to “pressure alopecia,” I offered to run Dr. Z.’s anamnesis by a colleague with a special interests in disorders of hair. How we practice now is different from a few months back. We will be seeing new variations on a theme such as perhaps, Hairband Pressure Alopecia.
We consulted with a dermatologist nationally recognized specialist interest hair disorders. She responded “I do not have much experience with pressure induced alopecia, likely because the etiology is apparent and it regrows in most cases. The photos do suggest pressure alopecia, although there is a differential for patchy alopecia including alopecia areata and tinea capitis. As you know, the current theory is that it is ischemic in nature. I wonder how tight the headband was! Her area of loss is small and it looks rather non-inflammatory, so one would think prognosis for regrowth would be good. It can take a couple of months to see new sprouting hair shafts. Scarring can occur if the insult is severe or prolonged – this can sometimes result in ulceration which is not present."