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Congenital Kyphosis

Spinal Deformity

A 2-year-old boy presents with a visible angular kyphotic deformity in the upper thoracic spine. The deformity was noted at birth and has been progressive. There are no neurological deficits. Radiographs reveal a single-level anterior vertebral body absence at T4 with posterior elements present. The kyphosis measures 45 degrees. Regarding congenital kyphosis:

Mark each as TRUE or FALSE

A

The Winter classification divides congenital kyphosis into three types: Type I (failure of vertebral...

B

Type I (failure of formation) progresses at approximately 7-9 degrees per year and has the highest r...

C

Type II (failure of segmentation) has the highest rate of progression; neurological deficits are unc...

D

Type II (failure of segmentation - anterior unsegmented bar) progresses more slowly at 5-6 degrees p...

E

Surgical treatment is indicated for progressive kyphosis greater than 50 degrees, neurological defic...

Answer the questions to see explanations

Click T (True) or F (False) for each option