symphalangism
Symphalangism is a rare congenital disorder characterized by the fusion of two or more bones within a digit. Most commonly, it affects the toes, specifically the fusion of the proximal and middle phalanges of the second to fifth toes, leading to a stiff, shortened toe. This fusion can also occur in the fingers, though it is less frequent.
The condition can be inherited in an autosomal dominant pattern, meaning only one copy of the altered
Diagnosis is typically made through physical examination and can be confirmed with X-rays, which clearly show