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Ahead of Print
ORIGINAL ARTICLES
Published online: 2020-01-27
Submitted: 2019-11-17
Accepted: 2019-12-20
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Computed tomography depiction of normal inguinal lymph nodes in children

M. S. Dogan, G. Koc, S. Doganay, S. Dogan, F. Elmalı, S. Ciraci, S. B. Gorkem, M. Guzel, A. Coskun
DOI: 10.5603/FM.a2020.0005
·
Pubmed: 32020582

open access

Ahead of Print
ORIGINAL ARTICLES
Published online: 2020-01-27
Submitted: 2019-11-17
Accepted: 2019-12-20

Abstract

Background: To establish computed tomography (CT) characteristics, distribution and provide normative data about size of normal inguinal lymph nodes in a pediatric population.

Materials and methods: 481 otherwise healthy children (147 girls, mean age: 8,87, range 0-17 years) underwent pelvic CT in the setting of high-energy trauma were included in the study. Both axial and coronal 1,25-mm reconstructions were evaluated for the presence, location (deep or superficial), number, presence of fat attenuation, and shape of the lymph nodes, short-axis diameter of the biggest lymph node for each of right and left inguinal regions.

Results: A total of 7556 lymph nodes were detected in 481 subjects [The mean count of superficial and deep inguinal lymph nodes was 13,35 (range 6-23) and 2,36 (range 0-7) per subject  respectively]: 15% (1135/7556) deep located, 85% (6421/7556) superficial located, 86,6% (6547/7556) with fat attenuation, 99,2% (7496/7556) oval in shape, 0,8% (60/7556) spherical. The short-axis diameter of the lymph nodes increased with age. [Pearson's correlation coefficient; for superficial and deep lymph nodes in boys and girls, respectively; 0.538 (p<0.001), 0.504 (p<0.001), 0.452 (p<0.001) and 0.268 (p<0.001)]. The mean maximum short-axis diameters in different age groups and gender varied between 6,33±0,85 mm and 8,68±1,33 mm for superficial, 3,62±1,16 mm and 5,83±1,05 mm for deep inguinal lymph nodes.

Conclusions: Inguinal lymph nodes were multiple, commonly contained fat, and oval in shape. The data determined about inguinal lymph node size in different pediatric age groups may be applicable as normative data in daily clinical CT evaluation practice.

Abstract

Background: To establish computed tomography (CT) characteristics, distribution and provide normative data about size of normal inguinal lymph nodes in a pediatric population.

Materials and methods: 481 otherwise healthy children (147 girls, mean age: 8,87, range 0-17 years) underwent pelvic CT in the setting of high-energy trauma were included in the study. Both axial and coronal 1,25-mm reconstructions were evaluated for the presence, location (deep or superficial), number, presence of fat attenuation, and shape of the lymph nodes, short-axis diameter of the biggest lymph node for each of right and left inguinal regions.

Results: A total of 7556 lymph nodes were detected in 481 subjects [The mean count of superficial and deep inguinal lymph nodes was 13,35 (range 6-23) and 2,36 (range 0-7) per subject  respectively]: 15% (1135/7556) deep located, 85% (6421/7556) superficial located, 86,6% (6547/7556) with fat attenuation, 99,2% (7496/7556) oval in shape, 0,8% (60/7556) spherical. The short-axis diameter of the lymph nodes increased with age. [Pearson's correlation coefficient; for superficial and deep lymph nodes in boys and girls, respectively; 0.538 (p<0.001), 0.504 (p<0.001), 0.452 (p<0.001) and 0.268 (p<0.001)]. The mean maximum short-axis diameters in different age groups and gender varied between 6,33±0,85 mm and 8,68±1,33 mm for superficial, 3,62±1,16 mm and 5,83±1,05 mm for deep inguinal lymph nodes.

Conclusions: Inguinal lymph nodes were multiple, commonly contained fat, and oval in shape. The data determined about inguinal lymph node size in different pediatric age groups may be applicable as normative data in daily clinical CT evaluation practice.

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Keywords

pediatric, inguinal, computed tomography, lymph node

About this article
Title

Computed tomography depiction of normal inguinal lymph nodes in children

Journal

Folia Morphologica

Issue

Ahead of Print

Published online

2020-01-27

DOI

10.5603/FM.a2020.0005

Pubmed

32020582

Keywords

pediatric
inguinal
computed tomography
lymph node

Authors

M. S. Dogan
G. Koc
S. Doganay
S. Dogan
F. Elmalı
S. Ciraci
S. B. Gorkem
M. Guzel
A. Coskun

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