| Dolichonychia | |
|---|---|
 | |
| Moderate dolichonychia of the nail beds combined with long free edges | |
| Complications | None, but it depends on which disorder it is possibly associated with |
| Usual onset | Congenital |
| Duration | Life-long |
| Causes | The cause may vary among people with dolichonychia, in some, it is an isolated trait, in others, it might be a symptom of a connective tissue disorder, such as Marfan syndrome |
Dolichonychia is a medical condition in which the nail beds of the fingers and toes are abnormally long and slender, specifically, a finger nail index of 1.30 or more, it is a common feature in people with connective tissue disorders, such as Ehlers–Danlos syndromes, Marfan syndrome, and hypohidrotic ectodermal dysplasia., it often appears alongside arachnodactyly and/or dolichostenomelia, which is the condition of having long and slender fingers and toes.