Ultra high-frequency ultrasound with seventy-MHz transducer in hair disorders: Development of a novel noninvasive diagnostic methodology

Background Ultra high-frequency ultrasound (uHFUS) is a recently developed diagnostic technology. Despite its potential usefulness, no study has assessed its advantage in diagnosis and evaluation of hair disorders in comparison with other diagnostic methods. Objectives To assess the practicability of uHFUS in diagnosing hair disorders and propose a diagnostic methodology. Methods Ultrasonographic images of scalp and forehead from patients with...