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Genu VarumAka: Bowed legs

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  1. Pathophysiology
    1. Normal finding in the newborn
    2. Physiologic bowing of the lower extremities
      1. External rotation of femur
      2. Internal rotation of tibia
  2. Symptoms
    1. Noted first at walking age
  3. Signs
    1. Measuring degree of genu varum
      1. Child stands with medial malleoli touching
      2. Measure distance between medial femoral condyles
  4. Differential Diagnosis
    1. Rickets
    2. Blount's disease
    3. Tibial Bowing
      1. Anterolateral bowing
        1. Neurofibromatosis association
      2. Posteromedial bowing
        1. In utero calcaneovalgus foot (will correct)
  5. Course
    1. Often translates to Genu Valgum (Knock-Knees)
      1. Occurs between ages 18 months to 3 years
      2. Corrects spontaneously by ages 6 to 10 years

Genu varum (C0544755)

ConceptsAnatomical Abnormality (T190)
ICD9736.42
EnglishBandy legged, Bow legged, Bow legs, Bowed legs, Bowing of leg, Bowing of legs, Bowing of the legs, Bowleg, Genu varum, Genu varus, Knee joint - varus deformity, Leg bowing
Spanisharqueamiento de la pierna, articulacion de la rodilla - deformidad en varo
Parent ConceptsDeformity of leg (C0575990), Deformity of knee joint (C0576091)
SourcesCOSTAR, DXP, MTH, MTHICD9, OMIM, SCTSPA, SNOMEDCT
Derived from the NIH UMLS (Unified Medical Language System)



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