Triangular alopecia
Triangular alopecia (also known as Temporal alopecia) is a form of hair loss that typically begins in childhood and results in a triangular, oval or lancet-shaped patch of alopecia in the frontotemporal region of the scalp.
Pronunciation
Triangular alopecia is pronounced as tri-an-gu-lar al-o-pee-shia.
Etymology
The term "triangular alopecia" is derived from the Latin word "triangulum" meaning "triangle", and the Greek word "alopex" meaning "fox". The term "alopecia" is used in dermatology to refer to hair loss.
Symptoms
The primary symptom of triangular alopecia is the presence of a hairless patch on the scalp, typically in the frontotemporal region. The patch is usually triangular, oval or lancet-shaped. The skin in the affected area appears normal with no signs of inflammation, scarring or atrophy.
Causes
The exact cause of triangular alopecia is unknown. Some researchers believe it may be a congenital condition, while others suggest it may be an acquired disorder that develops later in life.
Diagnosis
Diagnosis of triangular alopecia is typically based on the clinical appearance of the hairless patch. A biopsy may be performed to confirm the diagnosis and rule out other causes of hair loss.
Treatment
Treatment options for triangular alopecia include observation, medical therapy, and surgical intervention. Medical therapy may involve the use of minoxidil or corticosteroids. Surgical options include hair transplantation and scalp reduction surgery.
Related Terms
External links
- Medical encyclopedia article on Triangular alopecia
- Wikipedia's article - Triangular alopecia
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