Linhagem
- Tumores indiferenciados de origem folicular
Subtipos
- Single lesion
- Multiple unilateral linear lesions
- Generalized lesions
- Autosomal dominant transmission
- Association with Myasthernia gravis in female patients
- Begins in early childhood
Clinical presentaion
- Kerato-papular lesions
- Grouped together or scattered
Histology
- Follicles are replaced by a few strands of basaloid cells surrounded by fibrous connective tissue, resembling small trichoblastomas