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,…
Tag: Hair Shaft Defects
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…
Scalp Psoriasis Clinical Presentation, Diagnosis and Associated Hair Loss
Scalp psoriasis is a chronic, noncontagious skin condition that predominantly affects the scalp, manifesting in scaly, red, and raised patches. This condition can extend beyond…
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…
Pili Multigemini: Multiple Hairs Growing from a Single Hair Canal
Pili multigemini is a unique dermatological condition characterized by the growth of several individual hair shafts that merge together and then emerge through a single…
What is hair fiber made of?
The primary component of hair fiber is keratin, a type of protein, which consists of long chains (polymers) of amino acids. The keratin in hair…
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…
An overview of the consultation and diagnosis process for hair disorders
Hair disorders represent a complex medical field, with several hundred types and subtypes of recognized conditions. As our understanding of genetics and hair follicle biology…