Tinea capitis, or scalp ringworm, is a contagious fungal infection affecting the scalp & hair. Tinea barbae refers to the same condition in the beard area.
Syphilitic alopecia (SA) is a non-scarring hair loss caused by the Treponema pallidum bacterium, responsible for syphilis.
CCCA can lead to permanent hair loss & is a common scarring alopecia in black women, starting at the scalp's top centre.