A case of Alopecia areata

A 37y old man presents with rapid hair loss that has occurred over the last few weeks. He reports that his father had a similar condition. The most likely diagnosis is :
  1. A) alopecia areata
  2. B) tinea capitis
  3. C) androgenic alopecia
  4. D) secondary syphilis
  5. E) trichotillomania


The answer is A. "Alopecia areata" 
Alopecia areata is associated with sudden hair loss that occurs in round patches. The patches are well circumscribed, not associated with scarring or inflammation and the patients have no other symptoms. The most common area affected is the scalp; but, the condition may also affect the eyebrows or beard. Alopecia areata usually affects children and young adults and is recurrent.
A pathognomonic sign for alopecia areata is the “exclamation point” hair, which is wide distally and narrower at the base. These hairs are often found at the periphery of a patch of hair loss. Hair that regrows in the area of alopecia areata is in many cases white. Nail pitting may be also present. The treatment consists of injection of intralesional steroids and topical steroids. Most experience complete regrowth of hair.

20 comments:

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  2. Very nice and informative blog. The effectiveness of each treatment varies from patient to patient. Alopecia Areata is an autoimmune condition in which the healthy cells are mistaken as foreign cells and they are destroyed, resulting in reduced immunity and baldness. You need to contact a proper Dermatologist to avail of Alopecia treatment in Indore

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  10. there are two drug formulations that have received FDA approval specifically for the treatment of androgenic alopecia - minoxidil and finasteride. Other agents, including betamethasone and tretinoin, also have shown promise in treating both androgenic alopecia and alopecia areata .

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