Alopecia

Question 1

What are causes of non-scarring hair loss?

Answer 1

Alopecia atreata
Telogen Effluvium (hair cycle disorder)

Question 2

What are causes of scarring hair loss?

Answer 2

Discous cutaneous lupus
Folliculitis
Fibrosing alopecia
Fungal infections

Question 3

What drugs can induce hair loss?

Answer 3

Chemotherapy, anorexia, vitamin deficiency, syphilis

Question 4

What are main causes of localised hair loss?

Answer 4

Alopecia atreata
Fungal

(rest generalised)

Question 5

What are some features in history of alopecia?

Answer 5

Stressors, autoimmune conditions

Question 6

What are some features in examination of alopecia?

Answer 6

Hair pulls away easy, white hair regrowth, exclamation mark shaped hairs,

Question 7

What is cause of alopecia

Answer 7

Autoimmune reaction against hair follicles and follicular melanocytes

Question 8

What is treatment of alopecia?

Answer 8

Super potent topical corticosteroid

Also high dose oral, DCP treatment, Jak2 inhibitors, Minoxidil.

Question 9

What investigations in alopecia?

Answer 9

Dermoscopy (shape of hairs)
Autoimmune bloods
Fungal mycology of hair sample