A 7-year-old girl presented with gradual thinning of the scalp hair of 3 to 4 years’ duration. Her mother reported the patient had normal hair density at birth.
One can have hypotrichoisis of the scalp hair or eyebrow or eyelash or body hair.
At approximately 3 years of age, thinning of scalp hair was identified. There was no prior history of increased shedding, hypohidrosis, or tooth or nail abnormalities.