Rare diseases · Sign or symptom
Short 5th finger
Short fifth finger
HP:0009237
What it means
Hypoplasia (congenital reduction in size) of the fifth finger, also known as the little finger.
Rare diseases that can present with this19
Very common80–99%
4Common30–79%
7Sometimes5–29%
6- 16p12.1p12.3triplication syndrome
- 8q24.3microdeletion syndrome
- Intellectual disability-cardiac anomalies-short stature-joint laxity syndrome
- Microcephaly-corpus callosum and cerebellar vermis hypoplasia-facial dysmorphism-intellectual disability syndrome
- Oculoskeletodental syndrome
- Ossification anomalies-psychomotor developmental delay syndrome
The 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
Also called: Fifth finger brachydactyly · Hypoplastic phalanges of the little finger · Hypoplastic/small 5th finger · Hypoplastic/small little finger · Short fifth fingers · Short little finger · Short phalanges of the little finger · Short pinkie finger
Tracking symptoms like this for someone? Eleplan keeps symptoms, diagnoses, medications and every specialist in one plan.
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.