case_images: PMC4830173_01
case_images: Interdigital pilonidal sinus of the right hand third web space
case_images: IJT-8-38-g001.jpg
case_images: PMC4830173_01_IJT-8-38-g001.jpg
case_images: F1
case_images: Physical examination findings were purulent discharge from an 8 mm diameter sinus opening in the third web space of the right hand [Figure 1].
case_images: PMC4830173_02
case_images: (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, x40); (b) Histological examination in the second patient showed a sinus tract with multiple broken hair shafts and foreign body type granulomas (H and E, x40)
case_images: IJT-8-38-g002.jpg
case_images: PMC4830173_02_IJT-8-38-g002.jpg
case_images: F2
case_images: Histological examination revealed findings consistent with IPS [Figure 2].