A gibbus deformity is a short-segment structural thoracolumbar kyphosis resulting in sharp angulation.
Pathology
Aetiology
There are a number of causes which can be divided into congenital and acquired.
Congenital
- achondroplasia
- cretinism (congenital hypothyroidism)
- Apert syndrome
- Coffin-Lowry syndrome
- mucopolysaccharidoses
Acquired
- compression fracture / vertebra plana
- osteomyelitis/discitis
- Scheuermann disease
History and etymology
Gibbus is Latin for "hump/hunch" and is related to the descriptor 'gibbous' in relation to phases of the moon.
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