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Trichoscopy in Alopecias: Diagnosis Simplified
Hair loss is the most common hair problem and a
prompt diagnosis of the type of alopecia may sometimes be extremely
challenging. Methods commonly used to investigate may be invasive (biopsy),
semi invasive (trichogram) or non-invasive (hair count, weighing shed hair and
pull test). Dermoscopy, also known as epiluminescence microscopy or skin
surface microscopy is a non-invasive, in-vivo technique, most commonly used for
viewing pigmented skin lesions. It has been proved to be of great value in
improving the accuracy of diagnosis of melanomas. In 2006, Lidia Rudnicka and
Malgorzata Olszewska coined the term “Trichoscopy” for dermoscopy of hair and
the scalp. For scalp examination, a manual dermoscope (×10 magnification) or a
videodermoscope with lenses ranging from ×20 to ×1000 magnification can be
used. This attempts at sensitizing readers to the trichoscopic features
associated with the most common scalp and hair disorders.
Dr. Vaibhav Shah
www.vaibhavshahblog.blogspot.com.
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