Diseases Of Hair

Question 1

Medullated hair present in…..

Answer 1

Terminal hair under effect of androgens

Question 2

Stag3s of hair growth by duration

Answer 2

Anagen : growth phase ( 3 years )
Cartagen : resting phase ( 3 weeks)
Telogen: club stage before shedding ( 3 months)

Question 3

Causes of cicatrichial alopecia

Answer 3

1. Trauma : physical or chemical
2. Infections : favus, neglected kerion, staphylococcus, lupus vulgaris, Syphilitic gumma, herpes zoster
3. Collagen dis as DLE, scleroderma
4. Neoplasm as basal cell carcinoma
5. Lichen planopilaris
6. Idiopathic

Question 4

Causes of localized non cicatrichial alopecia

Answer 4

Alopecia Areata, male baldness, trichotillomania, syphilis ( moth eaten), T. Capitis as scaly & black dot ring worm

Question 5

Causes of diffuse non cicatrichial alopecia

Answer 5

Telogen effluvium
Prolonged typhoid fever
Hypo or hyperthyroidism, hypopituitarism
Cytotoxic drugs & oral contraceptives
Anemia & malnutrition
Malignancy
Psychogenic

Question 6

Asymptomatic sudden loss of hair single or multiple with completely normal scalpno crusts or scales in ……..

Answer 6

Alopecia Areata

Question 7

Exclamation mark hairs present in…….

Answer 7

Alopecia Areata indicating disease progression
( hairs are thin proximally, thick distally)

Question 8

Appearance of thin, fine, colorless hair within oatch of alopecia Areata indicates……..

Answer 8

Starting Re-growth

Question 9

Types of alopecia Areata

Answer 9

Patchy : commenst
Totalis : whole scalp
Universalis : whole body surface

Question 10

Signs of poor growth in Alopecia Areata

Answer 10

Prepubertal onset
Extensive involvement especially posterior scalp
Atopy

Question 11

TTT of Alopecia Areata

Answer 11

• Topical :
  Topical or Intralesional steroids ( triamcinolone acetonide )
  Contact allergens ( DPCP )
  1ry local irritants ( tincture iodine )
• Systemic :
  Systemic steroids, cyclosporin m Jak inhibitors
• Phototherapy ( Topical PUVA )
• Reassurance