Rare diseases · Sign or symptom
Long fingers
HP:0100807
What it means
The middle finger is more than 2 SD above the mean for newborns 27 to 41 weeks EGA or above the 97th centile for children from birth to 16 years of age AND the five digits retain their normal length proportions relative to each other (i.e., it is not the case that the middle finger is the only lengthened digit), or, Fingers that appear disproportionately long compared to the palm of the hand.
Rare diseases that can present with this24
Very common80–99%
6Common30–79%
11- 19p13.3microduplication syndrome
- 8p inverted duplication/deletion syndrome
- Cardiac-valvular Ehlers-Danlos syndrome
- Edinburgh malformation syndrome
- Infantile multisystem neurologic-endocrine-pancreatic disease
- MEND syndrome
- Microcephaly-facial dysmorphism-ocular anomalies-multiple congenital anomalies syndrome
- PLAA-associated neurodevelopmental disorder
- PMM2-CDG
- Severe intellectual disability-poor language-strabismus-grimacing face-long fingers syndrome
- Wiedemann-Rautenstrauch syndrome
Sometimes5–29%
6The range is how often this sign appears among people diagnosed with each disease — it is not a probability of having any of them. Many of these signs also occur in common, non-rare conditions. A sign on this page is a conversation to have with a clinician, not a conclusion.
Part of the broader category
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Start free with EleplanThis page uses the Human Phenotype Ontology (2026-06-23) — Human Phenotype Ontology Consortium, hpo.jax.org. Disease associations from Orphanet (INSERM), CC BY 4.0. Content is educational and is not medical advice.