Patterned hair loss is the most common cause of hair loss seen in both the sexes after puberty. Numerous classification systems have been proposed by various researchers for grading purposes. These systems vary from the simpler systems based on ...
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Although a large number of classification systems are available today, all of them have certain limitations as they either do not describe the complete evolutionary stages of hair loss or are too detailed for practical use. Hence, the clinician should assess all of them and choose the classification system as per his/her own convenience and requirement.
An example: The BASP classification is a novel stepwise and universal classification system for patterned hair loss regardless of sex, which is based on observed patterns of hair loss including the shape of the anterior hairline and the density of hair on the frontal and vertex areas