A Brief Review of Scalp Biopsy and Its Interpretation

    Shreya K Gowda, Biswanath Behera, Madhusmita Sethy, Pavithra Ayyanar
    TLDR Scalp biopsies are crucial for diagnosing hair loss types accurately.
    The article underscores the critical role of histopathological evaluation via scalp biopsies in diagnosing scalp disorders, particularly in differentiating between cicatricial and non-cicatricial alopecias. It stresses the importance for medical residents to grasp normal hair structures and biopsy techniques for accurate interpretation. The review covers various biopsy techniques, such as horizontal and vertical sectioning, and their pros and cons, emphasizing the importance of selecting the correct biopsy site, especially in scarring alopecia, with trichoscopy aiding this decision. It also details the histological features of different alopecias and the necessity of clinicopathological correlation, particularly in cicatricial alopecias, due to overlapping features.
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