Rare diseases · Sign or symptom
Long nose
Elongated nose
HP:0003189
What it means
Distance from nasion to subnasale more than two standard deviations above the mean, or alternatively, an apparently increased length from the nasal root to the nasal base.
Rare diseases that can present with this19
Very common80–99%
9- Blepharophimosis-intellectual disability syndrome, SBBYS type
- Familial osteodysplasia, Anderson type
- Flat face-microstomia-ear anomaly syndrome
- Harrod syndrome
- Hydrocephaly-low insertion umbilicus syndrome
- Microcephalic osteodysplastic primordial dwarfism types I and III
- Paraplegia-intellectual disability-hyperkeratosis syndrome
- THOC6-related developmental delay-microcephaly-facial dysmorphism syndrome
- X-linked intellectual disability-hypotonia-facial dysmorphism-aggressive behavior syndrome
Common30–79%
3Sometimes5–29%
7- 16p11.2p12.2microdeletion syndrome
- Bainbridge-Ropers syndrome
- Cutaneous mastocytosis-deafness-microtia syndrome
- Floating-Harbor syndrome
- Microcephaly-intellectual disability-sensorineural hearing loss-epilepsy-abnormal muscle tone syndrome
- Rothmund-Thomson syndrome type 2
- Skeletal dysplasia-T-cell immunodeficiency-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: Increased height of nose · Increased length of nose · Increased nasal height · Increased nasal length · Nasal elongation
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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.