Located in the longitudinal grooves of the proximal nail folds, periungual warts are often a source of embarrassment, deformity, and pain. When located in the lateral nail folds, they can cause ...

This a periungual fibroma, a benign mesenchymal tumor. Multiple periungual fibromas may be a sign of the tuberous sclerosis complex (TSC), which is due to a mutation in the TSC1 or TSC2 gene.

Our patient received an intradermal injection of CA antigen solution into periungual warts located on the distal left thumb and distal subungual area of the left index finger. Within 24 hours ...