chondrodysplasia

Type

Short limbed dwarfism, normal trunk and spine

Characteristics

Metaphyseal changes of tubular bones

- Normal epiphyses

- metaphysis adjacent to physis very broad and mildly scalloped

- resembles healing rickets

Pathology

Defect in proliferative and hypertrophic zones of physis

Types:

Jansens (Rare)

- most severe