ICD-11 definition : Pyle disease is a bone dysplasia characterised by genu valgum, metaphyseal anomalies
with broadening of the long bones extending into the diaphyses and giving the femora
and tibiae an 'Erlenmeyer flask'' appearance, widening of the ribs and clavicles,
platyspondyly and cortical thinning.;
Pyle disease is a bone dysplasia characterised by genu valgum, metaphyseal anomalies
with broadening of the long bones extending into the diaphyses and giving the femora
and tibiae an 'Erlenmeyer flask'' appearance, widening of the ribs and clavicles,
platyspondyly and cortical thinning.