What is nail LP?

• Present in 10% of the LP • Thinning of the ungual blade causing grooves and dystrophiy • Hyperpigmentation • Onycholysis • Melanonychia • Subungual Hyperkeratosis • Rarely matrix destruction with pterigium • Children: idiopathic onychoatrophy affecting 10 nails • Nail thinning, with longitudinal ridging and distal splitting linked to matrix involvement in these two fingernails • Fingernails are involved more frequently than toenails