A New Classification of Male Pattern Baldness and a Clinical Study of the Anterior Hairline

    January 2000 in “ Aesthetic Plastic Surgery ”
    Sang Hwan Koo, Heung Soo Chung, Eul Sik Yoon, Seung Ha Park
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    TLDR Researchers created a new system to classify male baldness, finding six types and a common hairline shape, to improve hair loss treatments.
    In the 2000 study, researchers developed a new classification system for male pattern baldness (MPB) and assessed its prevalence among 1,731 Korean men, identifying six types of MPB, including a unique type O not previously classified by Western standards. They also analyzed the anterior hairline in 108 normal male adults, finding the linear type to be the most common at 70.37%. The study measured average heights of various hairline points and found a 23.28% prevalence of MPB in the study population, with the most common types varying by age. The new classification system was considered superior for guiding surgical treatments like hair transplantation, scalp flaps, or scalp reduction. The findings aimed to provide baselines for hair restoration surgery and contribute to further MPB research.
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