Ultrasound evaluation of the morphometric patterns of lymph nodes of the head and neck in young and middle-aged individuals

Ogassavara, Beatriz; Tucunduva Neto, Raul Renato; Souza, Romeu Rodrigues de; Tucunduva, Maria José

doi:10.1590/0100-3984.2015.0002

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ORIGINAL ARTICLES • Radiol Bras 49 (4) • Jul-Aug 2016 • https://doi.org/10.1590/0100-3984.2015.0002 copy

Ultrasound evaluation of the morphometric patterns of lymph nodes of the head and neck in young and middle-aged individuals^* * Study conducted at the Faculdade de Medicina da Universidade Cidade de São Paulo (Unicid), São Paulo, SP, Brazil.

Authorship SCIMAGO INSTITUTIONS RANKINGS

Abstract

Objective:

To show the morphometric patterns of lymph nodes of the head and neck, evaluating their number, shape, dimensions, hilum, and cortex, through the use of ultrasound examination of the neck.

Materials and Methods:

We analyzed 400 right and left lymph nodes in a group of 20 healthy young and middle-aged individuals of both genders.

Results:

In the ultrasound examination, we observed the following lymph nodes: mastoid; parotid (superficial, extraglandular, and intraglandular); submandibular (preglandular, retroglandular, and intracapsular); submental; and cervical (anterior and posterior). Although some individuals had up to seven lymph nodes in the same region, most had only two to three per region. The smallest lymph node diameter observed was 0.4 cm, and the largest was 2.7 cm. Most lymph nodes showed an elongated or oval shape. Most of the lymph node hila were echogenic, although a few were hyperechoic. However, the cortex was clearly hypoechoic in all of the lymph nodes evaluated.

Conclusion:

Ultrasound examination of healthy individuals allowed the characteristics of the lymph nodes of the head and neck to be observed clearly, which could provide a basis for the analysis of patients with diseases of these lymph nodes.

Keywords:
Lymph nodes/anatomy & histology; Radiology; Diagnostic imaging

	M		SP		EP		IP		PgS		RgS		IcS		SubMe		AC		PC
Parameters	R	L	R	L	R	L	R	L	R	L	R	L	R	L	R	L	R	L	R	L
Overall mean	0.7	0.7	0.9	-	1.4	0.8	0.8	0.7	0.9	1.1	1.4	1.2	1.0	1.1	0.7	0.7	1.1	1.2	1.1	1.1
Median	0.8	0.6	0.9	-	1.1	0.8	0.7	0.7	0.9	1.0	1.3	1.3	1.0	1.0	0.7	0.7	1.0	1.2	1.0	1.0
Mode	0.8	0.6	-	-	-	-	0.6	0.5	0.7	0.9	2.0	1.7	0.9	1.0	0.7	0.7	1.2	1.0	1.2	1.0
Standard deviation	0.4	0.3	0.2	0.0	0.7	0.2	0.4	0.3	0.5	0.6	0.7	0.5	0.6	0.5	0.3	0.4	0.3	0.3	0.6	0.4
Variation	0.2	0.1	0.0	0.0	0.5	0.1	0.1	0.1	0.2	0.4	0.4	0.2	0.3	0.3	0.1	0.1	0.1	0.1	0.3	0.2
Females
Mean	0.7	0.6	0.9	-	1.7	-	0.7	0.6	0.8	0.9	1.5	1.2	1.1	1.2	0.6	0.7	1.1	1.3	1.0	1.1
Median	0.7	0.6	0.9	-	1.7	-	0.6	0.6	0.8	0.9	1.6	1.3	0.9	1.1	0.6	0.8	1.0	1.3	1.0	1.0
Mode	-	0.6	-	-	-	-	0.6	0.5	-	-	2.0	-	0.9	-	-	-	1.2	1.0	-	1.0
Standard deviation	0.4	0.3	0.3	0.0	0.9	0.0	0.3	0.2	0.3	0.4	0.8	0.5	0.6	0.6	0.3	0.4	0.3	0.3	0.5	0.4
Variation	0.1	0.1	0.1	0.0	0.7	0.0	0.1	0.0	0.1	0.1	0.6	0.2	0.4	0.4	0.1	0.2	0.1	0.1	0.2	0.2
Males
Mean	0.9	0.7	-	-	1.2	0.8	0.9	0.9	0.9	1.1	1.3	1.2	1.0	0.9	0.7	0.8	1.1	1.2	1.2	1.1
Median	0.9	0.7	-	-	1.1	0.8	0.8	0.9	1.0	1.1	1.3	1.3	1.0	0.9	0.7	0.7	1.1	1.1	1.0	1.1
Mode	-	-	-	-	-	-	0.6	1.0	1.0	1.2	1.3	-	1.0	-	0.7	-	-	-	-	-
Standard deviation	0.4	0.4	0.0	0.0	0.9	0.3	0.4	0.4	0.5	0.5	0.4	0.2	0.3	0.4	0.4	0.4	0.2	0.3	0.7	0.3
Variation	0.2	0.1	0.0	0.0	0.4	0.1	0.2	0.2	0.3	0.3	0.3	0.2	0.2	0.1	0.1	0.1	0.1	0.1	0.4	0.1

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E-mail: radiologiabrasileira@cbr.org.br

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[1] Mailing address: Dra. Beatriz Ogassavara. Universidade Cidade de São Paulo. Rua Cesário Galero, 448/475, Tatuapé São Paulo, SP, Brazil, 03071-000. E-mail: beatriz_ogassavara@hotmail.com.

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Ultrasound evaluation of the morphometric patterns of lymph nodes of the head and neck in young and middle-aged individuals* * Study conducted at the Faculdade de Medicina da Universidade Cidade de São Paulo (Unicid), São Paulo, SP, Brazil.

Abstract

Objective:

Materials and Methods:

Results:

Conclusion:

Ultrasound evaluation of the morphometric patterns of lymph nodes of the head and neck in young and middle-aged individuals^* * Study conducted at the Faculdade de Medicina da Universidade Cidade de São Paulo (Unicid), São Paulo, SP, Brazil.