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Genu ValgumAka: Knock-Knee

Physiology: Normal course
1. Birth: Maximal varus
2. Ages 3-4 years: Maximal valgus (>10 degrees)
3. Age >10 years: Anatomic valgus at 6 degrees
Signs
1. Knock-kneed appearance
Differential Diagnosis (Pathologic Genu Valgum)
1. Rickets
2. Diastrophic dysplasia
3. Morquio's Syndrome
4. Ellis-van Creveld or Chondroectodermal Dysplasia
5. Spondyloepiphyseal Dysplasia
6. Pseudoachondroplasia

Knee joint valgus deformity (C0576093)
Concepts	Anatomical Abnormality (T190)
ICD9	736.41
English	Genu valga, Genu valgum, Genu valgus, Genua valga, Genua valgum, Knee joint valgus deformity, Knock-kneed, Knock-knees
Spanish	articulacion de la rodilla - deformidad en valgo
Parent Concepts	Deformity of knee joint (C0576091)
Sources	DXP, MTH, MTHICD9, OMIM, SCTSPA, SNOMEDCT Derived from the NIH UMLS (Unified Medical Language System)

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This page was written by Scott Moses, MD. This page was last revised before 5/10/08, prior to consistent tracking of revision date. This page was last published on 6/1/2008. Please send comments and questions to the editor. Contact information may be found on the page About the Family Practice Notebook. These pages are best viewed with Microsoft Internet Explorer 6.0.

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Genu ValgumAka: Knock-Knee

Knee joint valgus deformity (C0576093)

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