Involving Lymphocytes:
- Lichen Planopilaris (LPP)
- Frontal Fibrosing Alopecia
- Central Centrifugal Alopecia
- Pseudopelade of Brocq
Involving Neutrophils:
- Folliculitis Decalvans
- Tufted Folliculitis
Mixed Inflammatory Infiltrate (both Lymphocytes & Neutrophils):
- Dissecting Cellulitis
- Folliculitis Keloidalis