Table 3: Histological features.

Characteristic

FMF (n = 10)

Folliculotropism

8

Pautriermicroabscess

2

Epidermotropism

3

Eccrine gland infiltration

2

Epidermal cysts and comedones

0

Follicular mucinosis

6

TCR clonality (biopsy specimen)

8

TCR clonality (blood)

5

 

TCR = T-cell receptor