FOLLICULITIS AND PERIFOLLICULITIS
SPONGIOTIC
| Infundibulum plugged by cornecytes | Fox-Fordyce disease | |
| Infundibulum not plugged by cornecytes | Infindibulofolliculitis | |
| Mucin in infundibula | Lymphocytes normal | Alopecia mucinosa |
| Lymphocytes abnormal | Mycosis fungoides | |