Microonychia L60.8

Standard variant with, in relation to the end phalanx, extremely small nails (small fingers, narrow nail bed, narrow matrix). The opposite is called macroonychia. In rare cases, microonychia can occur in congenital malformations such as the Iso Kikuchi syndrome.

1. Baran R (1980) Iso Kikuchi syndrome (C.O.I.F. syndrome). A report on 2 cases and a review of 44 cases in the literature (author's transl)]. Ann Dermatol Venereol 107:431-435
2. Ghaffarpour G et al (2014) Nail bed expansion: A new technique for correction of multiple isolated congenital micronychia. Adv Biomed Res 31:105
3. Yang CC et al (2004) Folliculitis decalvans associated with Micronychia.Dermatology 208: 227-228