This distal digital dactylitis is characterized by the lack of a cuticle along with erythematous swelling of the proximal and lateral nail ... and absent cuticles, subungual hyperkeratosis ...

longitudinal pigmented band (melanonychia striata), onychomycosis, and subungual exostosis. An x-ray of the distal digit should be performed if a fracture of the underlying phalynx is suspected.