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Genu varum (also called bow-leggedness, bandiness, bandy-leg, and tibia vara) is a varus deformity marked by (outward) bowing at the knee, which means that the lower leg is angled inward in relation to the thigh's axis, giving the limb overall the appearance of an archer's bow.
Surgery may be necessary to treat misalignment of the hip (osteotomy of the pelvis or the collum femoris) and, in some cases, malformation (e.g., genu varum or genu valgum). [19] In some cases, total hip replacement may be necessary. However, surgery is not always necessary or appropriate. [20]
Genu valgum, commonly called "knock-knee", is a condition in which the knees angle in and touch each other when the legs are straightened. [1] Individuals with severe valgus deformities are typically unable to touch their feet together while simultaneously straightening the legs.
A valgus deformity is a condition in which the bone segment distal to a joint is angled outward, that is, angled laterally, away from the body's midline. [1] The opposite deformation, where the twist or angulation is directed medially, toward the center of the body, is called varus.
Occasionally surgery is needed to correct severe and persistent deformities of the lower limbs, especially around the knees namely genu varum and genu valgum. Surgical correction of rachitic deformities can be achieved through osteotomies or guided growth surgery. Guided growth surgery has almost replaced the use of corrective osteotomies.
Temporary hemiepiphysiodesis is widely used to treat angular or coronal plane deformities around the knee in children i.e. deformities occurring in the medial/lateral plane as genu varum/ genu valgum. Additionally, it has been used to treat sagittal plane deformities i.e. deformities arising the anterior/posterior plane.
Blount disease is a growth disorder of the shin bone which causes the lower leg to angle inward, resembling a bowleg.It can present in boys under 4-years in both legs, or in adolescents usually on one side.
Treatment [ edit ] Conventional therapy consisted of medications including human growth hormone , calcitriol , and oral phosphate , [ 37 ] [ 38 ] and calcitriol; [ 37 ] [ 38 ] Unwanted effects of this therapy have included secondary hyperparathyroidism , nephrocalcinosis , kidney stones, and cardiovascular abnormalities.