Figure 2: (a) Histological examination in the first patient revealed a sinus tract, and multiple broken hair shafts. The sinus was surrounded by benign squamous epithelium, acute, and chronic inflammatory cells with foreign body giant cells (H and E, ×40); (b) Histological examination in the second patient showed a sinus tract with multiple broken hair shafts and foreign body type granulomas (H and E, ×40)