Brachydactyly

Brachydactyly (BD) essentially refers to short digits. It is often inherited as an autosomal dominant trait (all the types). The clinical spectrum can widely range from minor digital hypoplasia to complete aplasia. As a group it most commonly involves the middle phalanx 2.

Single or multiple bones of individual digits, single bones of multiple digits, or multiple bones of different digits may be involved.

Pathology

Bell's classification of brachydactyly

This classification was initially proposed by Bell in 1951 and further elaborated by Temtamy5 et al in 1978, and at time of writing (July 2016) is the most widely accepted classification.

Different types of brachdactyly are classified according to their clinical and radiographic features of phalangeal or metacarpal involvement. Most widely used system is Bell's classification which delineates 5 major types (A-E) -

Associations

Brachydactyly can be either occur in isolation or be associated with syndromic as well as non syndromic conditions:

Differential diagnosis

The differential for other causes of short digits include:

Share Article

Article Information

rID: 12731
Tags: cases, refs
Synonyms or Alternate Spellings:
  • Brachydactyly (BD)
  • Shortened fingers
  • Short fingers

Support Radiopaedia and see fewer ads

Updating… Please wait.
Loadinganimation

Alert accept

Error Unable to process the form. Check for errors and try again.

Alert accept Thank you for updating your details.