Poliosis

Editor-In-Chief: Prab R Tumpati, MD
Obesity, Sleep & Internal medicine
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Poliosis
Synonyms	Poliosis circumscripta
Pronounce	N/A
Specialty	N/A
Symptoms	Localized patch of white hair
Complications	N/A
Onset	N/A
Duration	N/A
Types	N/A
Causes	Genetic factors, autoimmune conditions, inflammatory diseases
Risks	Vitiligo, tuberous sclerosis, Waardenburg syndrome, Vogt-Koyanagi-Harada disease
Diagnosis	Clinical examination, medical history
Differential diagnosis	N/A
Prevention	N/A
Treatment	Addressing underlying conditions, cosmetic options
Medication	N/A
Prognosis	N/A
Frequency	Rare
Deaths	N/A

Poliosis is a medical condition characterized by the development of a localized patch of white or gray hair on the scalp, eyebrows, eyelashes, or other hair-bearing areas. It results from a lack of melanin in the hair follicles in these specific areas.

Characteristics

Poliosis presents as a patch or section of hair that is noticeably lighter than the surrounding hair. This can occur at any age and may affect individuals with any hair color.

Causes and Associated Conditions

Poliosis can be caused by several factors, including:

• Genetic predisposition
• Autoimmune disorders (e.g., vitiligo, alopecia areata)
• Dermatological conditions (e.g., piebaldism)
• Use of certain medications
• Association with certain syndromes like Waardenburg syndrome or tuberous sclerosis

Diagnosis

Diagnosis of poliosis typically involves:

• Clinical examination of the hair and scalp
• Patient medical history evaluation
• Dermatological assessments to rule out underlying conditions

Treatment and Management

While there is no cure for poliosis, management strategies include:

• Cosmetic approaches such as hair dyeing
• Addressing any underlying medical conditions
• Psychological support for those who experience distress due to cosmetic concerns

Epidemiology

Poliosis is a relatively rare condition, with the prevalence varying based on the underlying cause and associated syndromes.

Social and Psychological Impact

The appearance of poliosis can have social and psychological effects, especially in cases where it appears at a young age or is prominent.

Research and Future Directions

Research continues to investigate the genetic and molecular basis of poliosis, aiming to better understand its causes and potential treatments.

See Also

• Hair Color
• Dermatology
• Genetic Disorders

External Links

• American Academy of Dermatology - Poliosis
• National Institute of Arthritis and Musculoskeletal and Skin Diseases - Vitiligo

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