Camptodactyly
Camptodactyly is a medical condition that causes one or more fingers or toes to be permanently bent. It involves fixed flexion deformity of the proximal interphalangeal joints.
| Camptodactyly | |
|---|---|
| Pronunciation |
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| Specialty | Medical genetics |
| Symptoms | Permanent flexion of the proximal interphalangeal joints, although symptoms may vary in person; some people have very tight flexed fingers and other people have flexed fingers that straighten when pressed on |
| Complications | People with severe camptodactyly may have difficulty holding objects |
| Usual onset | There are congenital forms, adolescent-onset forms and acquired forms |
| Duration | Life-long |
| Treatment | Splinting, surgery, etc. |
| Frequency | 1% of the world population |
Camptodactyly can be caused by a genetic disorder. In that case, it is an autosomal dominant trait that is known for its incomplete genetic expressivity. This means that when a person has the genes for it, the condition may appear in both hands, one, or neither. A linkage scan proposed that the chromosomal locus of camptodactyly was 3q11.2-q13.12.
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