Onychophagia Induced Melanonychia, Splinter Hemorrhages, Leukonychia, and Pterygium Inversum Unguis Concurrently
HYPONYCHIUM ABNORMALITIES Congenital Aberrant Hyponychium vs. Acquired Pterygium Inversum Unguis vs. Acquired Reversible Extended Hyponychium: a proposed classification based on origin, pathology and outcome.