Congenital Posteromedial Bowing of the Tibia

Yadav, S. S.; Thomas, Sara

doi:10.3109/17453678008990804

Cited by 18 publications

(19 citation statements)

References 7 publications

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“…The angulation of the tibia and fibula is in the medial and posterior direction—with equal angle of bowing (varying from 25° to 70°) usually in the middle or distal third of the shaft [2]. The anomaly is unilateral, not associated with any other abnormality [3], accompanied by an initial calcaneovalgus deformity of the foot and decrease in ankle motion that does not improve with age. The deformity can vary in severity; the most severe is when the dorsum of the foot is in contact with the anterolateral aspect of the lower leg.…”

Section: Introductionmentioning

confidence: 99%

Limb lengthening in congenital posteromedial bow of the tibia

Kaufman¹,

Fagg²,

Jones³

et al. 2012

Strategies in Trauma and Limb Reconstruction

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Congenital posteromedial bowing of the tibia (PMBT) is a rare condition affecting one lower limb. The bowing of the tibia usually resolves; however, there is associated limb length discrepancy (LLD), which often persists and can cause functional deficits. Advances in limb lengthening techniques allow this issue to be addressed, often with concomitant angular deformity correction. This study examined eleven patients who have had limb lengthening procedures with mean pre-operative LLD of 3.7 cm (range 1.5–5 cm), mean increase in length was 3.9 cm (range 1.5–5.8 cm), and mean LLD at last follow-up was less than 0.6 cm (range 0–2.0 cm). The main complications were minor or moderate grades, such as pin site infection. Greater LLD was found than previously reported, and we believe that the tertiary referrals were those of a severe form of PMBT. The authors conclude that in view of deformity with discrepancy, in select cases, correction and lengthening would be an option rather than only contralateral epiphysiodesis.

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Section: Introductionmentioning

confidence: 99%

Limb lengthening in congenital posteromedial bow of the tibia

Kaufman¹,

Fagg²,

Jones³

et al. 2012

Strategies in Trauma and Limb Reconstruction

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show abstract

“…Shortening of the leg is evident at birth and it increases with age. Earlier studies demonstrated that the extent of shortening was unrelated to the degree of angulation (4,5). In more recent studies, the relation between the degree of shortening and the degree of medial bowing has been established.…”

Section: Introductionmentioning

confidence: 98%

“…Foot is usually in severe to extreme calcaneovalgus. Bowing is in distal or medial third of the tibia shaft and it affects only one leg (4). Angle of angulation varies from 25 to 70 degrees.…”

Section: Introductionmentioning

confidence: 99%

“…However, no relation between shortening and extent of posterior bowing could be demonstrated (6,7). Initial treatment usually consists of a series of the above knee casts, followed by stretching exercises (2,4,8). Correction is maintained by splints or orthosis.…”

Section: Introductionmentioning

confidence: 99%

“…In more severe LLD, up to 2.5 cm contralateral epiphysiodesis may be performed. For a long time, this was the only suggested equalization procedure for CPMBT (4). Later on, limb lengthening procedures that used distraction osteogenesis emerged and gained popularity, regardless of utilized distraction devices (2,5).…”

Section: Introductionmentioning

confidence: 99%

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Congenital Posteromedial Bowing of the Tibia: A Single Center Experience

Živanović¹,

Slavkovic²,

Marjanović³

et al. 2017

Acta Facultatis Medicae Naissensis

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SU M M A RY Congenital posteromedial bowing of the tibia (CPMBT) is a rare congenital anomaly of the lower limbs.The aim of the present study was to analyze our experience in the treatment of CPMBT.A retrospective study of patients treated for CPMBT in the period January 2000 -June 2016 was performed. In the observed period, six patients were treated (five girls and one boy), with predominance of the right tibia involvement (5:1).The initial treatment included a series of corrective casts (4-9) applied in all patients, followed by removable splints and physiotherapy. Four children with residual angulation of tibia after walking age were prescribed ankle-foot orthosis (AFO) as a prevention of pathological fractures. Both posterior and medial angulation correct over time. Mean initial shortening was 11 mm. At the last follow-up visit, mean shortening was 23.33mm. Three patients had lower limb shortening of more than 2 cm. In two of them, with shortening of 27 mm and 35 mm, Ilizarov lengthening was performed. In one girl, we performed lengthening over titanium elastic nails. In the other girl, after lengthening, circular frame was exchanged with a locking plate to reduce fixator wearing time. There were no major complications of treatment. Patients were followed up for 2-12 years (mean 6.83 years). None of them reached skeletal maturity yet.Primary manifestation of CPMBT -angulation of tibia and fibula as well as calcaneovalgus deformity usually correct spontaneously or with conservative measures. However, limb length inequality, as a consequence of CPMBT, progresses with growth and may require surgical correction in some children. Therefore, all children with CPMBT should be followed up until skeletal maturity.

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Congenital anterolateral bowing of the tibia with ipsilateral polydactyly of the great toe

1997

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We report on two cases of congenital unilateral anterolateral bowing and focal defect of the tibia associated with ipsilateral polydactyly of the great toe. Computed tomographic examination showed an unusual partial cleft of the tibia at the site of bowing. A long follow-up of one patient showed spontaneous resolution of the bowing without progression to pseudoarthrosis. These anomalies should be considered as a new entity related to the tibial developmental field.

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Congenital Posteromedial Bowing of the Tibia

Cited by 18 publications

References 7 publications

Limb lengthening in congenital posteromedial bow of the tibia

Limb lengthening in congenital posteromedial bow of the tibia

Congenital Posteromedial Bowing of the Tibia: A Single Center Experience

Congenital anterolateral bowing of the tibia with ipsilateral polydactyly of the great toe

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