Amyoplasia congenita

Last revised by Jeremy Jones on 11 Oct 2013

Amyoplasia congenita is a syndrome characterized by multiple specific congenital joint contractures, associated with substitution of muscular tissue by fibrosis and adipose tissue.

Epidemiology

The estimated incidence is at  1: 10000 live births. There may be a higher prevalence with twin pregnancies 1.

Pathology

The muscles are hypoplastic and replaced by a mixture of fat and fibrosis

Genetics 

It is throught to occur sporadically

Radiographic features

Antenatal ultrasound

Features include

Etymology

The term a-myo-plasia essentially derives from the Latin meaning no-muscle-development

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