FEATURES OF IMAGING FINDINGS IN CHILDREN WITH CONGENITAL THORACIC SPINE DEFORMITY ON THE BACKGROUND OF MALSEGMENTATION OF VERTEBRAE LATERAL SURFACE

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Abstract

Purpose — to study alterations in the bony structures in cases of congenital deformity of the thoracic spine combined with malsegmentation of lateral surfaces of vertebrae due to pathological processes during growth period of childern and to find correlation with above alterations.

Material and Methods. The study included 30 patients with congenital deformity of thoracic spine combined with malsegmentation of lateral surfaces of vertebrae. age of patients ranged from 3 to 10 years (mean of 7 years). gender distribution — 19 female and 11 male patients. all patients underwent imaging examination including spine roentgenography in two standard views in prone position as well as computer tomography.

Results. Magnitude of deformity scoliotic curve was 67° (45–88°) and of pathological thoracic lordosis — 23° (18–27°). Mean number of block vertebral motion segments included into the main deformity curve was 6 (3–8). Mean distance between the outline of lateral vertebral surface and lateral outline of projection of curve root of apical vertebra on convex side of deformity (aB) was 6 mm (4–10 mm). correlation analysis demonstrated that aB distance mostly depended on the number of vertebral motion segments included into the block along non-segmental area: pearson coefficient 0.67. Based on cT scans the authors observed no rotation component of bodies’ deformity along the non-segmental area.

Conclusion. Children with congenital thoracic spine deformity along with malsegmentation of lateral surfaces  of vertebrae feature pathological lordosis in affected zone. alterations in the bony structures result from asymmetric growth of one half of the vertebral body at the level of non-segmentation. asymmetry severity has a strong correlation dependency from the number of vertebral bodies included in the block along the non-segmental area.

About the authors

S. V. Vissarionov

Turner Scientific and Research Institute for Children’s Orthopedics ; Mechnikov North-Western State Medical University .

Author for correspondence.
Email: vissarionovs@gmail.com

Sergei V. Vissarionov — dr. Sci. (Med.), professor, deputy director for science, head of the department of Spinal pathology and neurosurgery; professor of Traumatology and Orthopaedics department.

Parkovaya ul., 64 68, 196603, Pushkin, St. Petersburg; 41, Kirochnaya ul., 191015, St. Petersburg.

Russian Federation

A. G. Baindurashvili

Turner Scientific and Research Institute for Children’s Orthopedics ; Mechnikov North-Western State Medical University .

Email: fake@neicon.ru

Alexey G. Baindurashvili — dr. Sci. (Med.), professor, Member of the Russian academy of Sciences, director ; head of Traumatology and Orthopaedics department.

Parkovaya ul., 64 68, 196603, Pushkin, St. Petersburg; 41, Kirochnaya ul., 191015, St. Petersburg.

Russian Federation

N. O. Khusainov

Turner Scientific and Research Institute for Children’s Orthopedics.

Email: fake@neicon.ru

Nikita O. Khusainov — research associate of the department Spinal pathology and neurosurgery.

Parkovaya ul., 64 68, 196603, Pushkin, St. Petersburg.

Russian Federation

D. N. Kokushin

Turner Scientific and Research Institute for Children’s Orthopedics.

Email: fake@neicon.ru

Dmitry N. Kokushin — cand. Sci. (Med.), research associate, department of Spinal pathology and neurosurgery.

Parkovaya ul., 64 68, 196603, Pushkin, St. Petersburg.

Russian Federation

V. A. Bart

St. Petersburg State University .

Email: fake@neicon.ru

Victor A. Bart — cand. Sci. (phys.-Math.), associate professor, chair of general Mathematics and Informatics.

7–9, Universitetskaya nab., 199034, St. Petersburg.

Russian Federation

A. V. Beletsky

Republican Scientific and Practical Center of Traumatology and Orthopaedics under the Health Ministry of Belarus Republic.

Email: fake@neicon.ru

Alexander V. Beletsky — dr. Sci. (Med.), professor, director.

60, build. 4, ul. Lt. Kizhevatova, 220024, Minsk.

Belarus

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