ALOPECIA OF SCALP

Question 1

30 yo woman presented with itchy, slightly painful, red, scaling, patchy hair loss on her head of 1 year duration, noted 1 month after she dyed her hair. Treated with antifungal creams and shampoo but worsened. Worked as cosmetics sales promoter. Unremarkable past and family history. Husband is heavy smoker in the house.

Describe the lesion.

Answer 1

Focal, coin-shaped, scaly, erythematous alopecic plaque, with shiny, central hypopigmentation, some with peripheral areas of thickened hyperpigmented adherent thick scales.

What are your differential diagnoses?

Question 2

Answer 2

ALOPECIA AREATA

Question 3

Answer 3

CHEMICAL BURN FROM HAIR DYE OR BLEACH

Question 4

Answer 4

KERION

Question 5

Answer 5

SEBORRHEIC DERMATITIS

Question 6

Answer 6

NEVUS SEBACEOUS

Question 7

Answer 7

FOLLICULITIS KELOIDALIS NUCHAE

Question 8

Answer 8

FOLLICULITIS DECALVANS

Question 9

Answer 9

DISCOID LUPUS ERYTHEMATOSUS OF THE SCALP

Question 10

Answer 10

LICHEN PLANOPILARIS

Question 11

Answer 11

PSEUDOPELADE OF BROCQ

Question 12

Answer 12

FRONTAL FIBROSING ALOPECIA

Question 13

Answer 13

CENTRAL CENTRIFUGAL CICATRICIAL ALOPECIA

Question 14

Answer 14

PERIFOLLICULITIS CAPITIS ABSCEDENS ET SUFFODIENS

Question 15

Answer 15

SARCOIDOSIS OF SCALP

Question 16

Answer 16

PSORIASIS OF THE SCALP

Question 17

Answer 17

ALOPECIA MUCINOSA