Meyer dysplasia

Meyer dysplasia (also known as dysplasia epiphysealis capitis femoris) is a fragmentation and delayed ossification of the femoral capital epiphyses that affects the pediatric hips. It is considered more of a normal hip developmental variation rather than a true dysplasia. It can be bilateral in ~50% of cases 3.

It tends to present at around 2-3 years of age 2.  There is a recognized male predilection 3.

Patients are usually asymptomatic.

There is a delay in development of the nucleus of ossification in the hip which does not occur until ~1,5 years of age. The epiphysis does not collapse and density and structure remain preserved. It usually resolves spontaneously later in childhood.

  • the affected epiphysis is smaller in size
  • there are often multiple nuclei of ossification, giving the epiphysis a "morulated" appearance; these then tend to fuse at ~5 years of age. 

First described by J Meyer in 1964 4.

On imaging consider

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Article information

rID: 10758
Tag: cases
Synonyms or Alternate Spellings:
  • Dysplasia epiphysealis capitis femoris
  • Dysplasia epiphysealis capitis femoris (DECF)

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Cases and figures

  • Meyer dysplasia
    Case 1: on right
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  • Case 2
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