Rare diseases · Sign or symptom
Camptodactyly
Permanent flexion of the finger or toe
HP:0012385
What it means
The distal interphalangeal joint and/or the proximal interphalangeal joint of the fingers or toes cannot be extended to 180 degrees by either active or passive extension.
Rare diseases that can present with this42
Very common80–99%
4Common30–79%
11- 13q12.3microdeletion syndrome
- 20q11.2microdeletion syndrome
- 21q22.11q22.12microdeletion syndrome
- Atelosteogenesis type II
- Aymé-Gripp syndrome
- Craniofacial dysplasia-short stature-ectodermal anomalies-intellectual disability syndrome
- H syndrome
- Mowat-Wilson syndrome
- Progressive pseudorheumatoid dysplasia
- Tall stature-intellectual disability-renal anomalies syndrome
- X-linked microcephaly-growth retardation-prognathism-cryptorchidism 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
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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.