COMPUTED TOMOGRAPHY PATTERN OF UNCHANGED MEDIASTINAL LYMPH NODES IN CHILDREN WITH UNINFECTED MYCOBACTERIUM TUBERCULOSIS
https://doi.org/10.20862/0042-4676-2014-0-4-26-30
Abstract
Objective: to provide X-ray characteristics of mediastinal lymph nodes revealed by computed tomography (CT) in children and adolescents with uninfected Mycobacterium tuberculosis.
Material and methods. The basis of the study was the results of CT in 105 children and adolescents with uninfected with Mycobacterium tuberculosis. All the children and adolescents from a follow-up group underwent X-ray study using a two-slice spiral Somatom Emotion Duo CT scanner (Siemens). The study used a conventional procedure for chest scanning in children, by applying the Thorax Routine program.
Results. The study ascertained that Groups 1–3 intrathoracic lymph nodes were visualized in 73.3% of the children in normalcy and were not in 22.8%. In children, the normal size of the lymph nodes did not exceed 0.8 cm in diameter; they had a homogeneous structure and clearly defined, even outlines; their perinodular fat was unchanged. CT data showed that the sizes and number of visible groups of lymph nodes were unrelated to age.
Conclusion. The upper diameter limit for normal mediastinal lymph nodes may be established to be 8 mm if there were no abnormal changes in the structure of lymph nodes and perinodular fat.
About the Authors
L. P. Shepeleva
Scientific-and-Practical Center «Phthisiology», Republic of Sakha (Yakutia)
Russian Federation
Russian Federation
MD, PhD, Head of Radiodiagnosis Department
ul. Petra Alekseeva, 93, Yakutsk, 677015
I. E. Tyurin
Russian Medical Academy of Postgraduate Education, Ministry of Health of the RF
Russian Federation
Russian Federation
MD, PhD, DSc, Professor, Head of Department of Radiodiagnosis, Radiotherapy and Medical Physics
ul. Barrikadnaya, 2/1, Moscow, 123995
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Review
For citations:
Shepeleva L.P., Tyurin I.E. COMPUTED TOMOGRAPHY PATTERN OF UNCHANGED MEDIASTINAL LYMPH NODES IN CHILDREN WITH UNINFECTED MYCOBACTERIUM TUBERCULOSIS. Journal of radiology and nuclear medicine. 2014;(4):26-30. (In Russ.) https://doi.org/10.20862/0042-4676-2014-0-4-26-30
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