Hair Density: What It Really Means, How It’s Measured, and Why It Changes
When people talk about “thick” or “thin” hair, they are usually describing hair density – that is, the number of visible hair shafts emerging from…
Tag: Hair Shaft Disorders
Sabouraud’s Sign: A Contemporary Assessment of Hair Breakage
Hair breakage can be as distressing for patients as hair loss, yet the two phenomena have very different aetiologies, prognoses and management strategies. Sabouraud’s sign,…
An Overview on Trichothiodystrophy
Trichothiodystrophy (TTD) is a rare, autosomal recessive disorder characterized by sulfur-deficient hair, developmental anomalies, and a spectrum of systemic manifestations. It falls under the category…
Uncoiling the Mystery of Circle Hairs: Insights into Spiral Hair Disorder
Circle hairs, also referred to as spiral hairs, represent a fascinating and somewhat under-discussed topic within the domain of dermatology, specifically within the study of…
Understanding Exclamation Mark Hair: Causes, Implications, and Associated Disorders
In the realm of dermatology, the term “exclamation mark hair” sometimes arises in discussions concerning some hair disorders. This distinctive phenomenon presents as short, broken…
Understanding hair diagnostics: the hair pull test, hair tug test, and hair mount test explained
The hair pull test, hair tug test, and hair mount test are key diagnostic procedures that dermatologists use during consultations with patients experiencing hair disorders.…
The hair mount test: an indispensable tool in dermatology
The examination of hair shafts and hair bulbs under a microscope is a critical step in diagnosing various hair disorders. A classic method to facilitate…