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Related Concept Videos

Detailed Structure and Function of Lymph Nodes01:23

Detailed Structure and Function of Lymph Nodes

Lymph nodes are bean-shaped structures that cluster along the lymphatic vessels in the inguinal, axillary, and cervical regions. Each node is divided into compartments by a capsule that extends trabeculae inward.
From a histological perspective, lymph nodes can be split into two main areas: the superficial cortex and the deep medulla. The outer cortex is populated by dendritic cells, macrophages, and B lymphocytes, which are densely packed into follicles. When these B-lymphocytes are presented...
Ultrasonography01:17

Ultrasonography

Ultrasonography is an imaging technique that uses high-frequency sound waves to visualize the body's internal structures. It is a non-invasive and safe procedure that does not involve the use of ionizing radiation, making it widely used in various medical fields. Ultrasonography is used to study heart function, blood flow in the neck or extremities, certain conditions such as gallbladder disease, and fetal growth and development.
During an ultrasonography procedure, a handheld device called a...

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Related Experiment Video

Updated: Jun 22, 2026

Ultrasonographic Evaluation of Breast Cancer-related Lymphedema
05:44

Ultrasonographic Evaluation of Breast Cancer-related Lymphedema

Published on: January 12, 2017

[Clinical value of lymph node sonography].

C Jenssen1

  • 1Klinik für Innere Medizin, Krankenhaus Märkisch Oderland, Strausberg. c.jenssen@khmol.de

Praxis
|May 28, 2009
PubMed
Summary
This summary is machine-generated.

Ultrasound imaging, including percutaneous and endoscopic approaches, is vital for evaluating lymph nodes. Combining ultrasound features with guided biopsy offers accurate diagnosis for benign and malignant conditions.

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High-frequency Ultrasound Imaging of Mouse Cervical Lymph Nodes
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High-frequency Ultrasound Imaging of Mouse Cervical Lymph Nodes

Published on: July 25, 2015

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Last Updated: Jun 22, 2026

Ultrasonographic Evaluation of Breast Cancer-related Lymphedema
05:44

Ultrasonographic Evaluation of Breast Cancer-related Lymphedema

Published on: January 12, 2017

High-frequency Ultrasound Imaging of Mouse Cervical Lymph Nodes
10:02

High-frequency Ultrasound Imaging of Mouse Cervical Lymph Nodes

Published on: July 25, 2015

Area of Science:

  • Medical Imaging
  • Oncology
  • Pathology

Background:

  • Lymph node assessment is crucial for diagnosing various diseases, including cancers and infections.
  • Traditional methods for lymph node evaluation have limitations in accuracy and invasiveness.

Purpose of the Study:

  • To highlight the utility of percutaneous and endoscopic ultrasound in lymph node evaluation.
  • To discuss the diagnostic capabilities and limitations of ultrasound in differentiating benign from malignant lymphadenopathy.
  • To emphasize the role of ultrasound-guided biopsy for definitive histological diagnosis.

Main Methods:

  • Gray-scale and color Doppler sonography for detailed lymph node assessment.
  • Sonographic elastography and contrast-enhanced sonography for additional information.
  • Ultrasound-guided biopsy for histological examination.

Main Results:

  • Ultrasound is effective in assessing lymph nodes across all body regions.
  • Comprehensive sonographic feature analysis aids in differentiating benign from malignant lymphadenopathy.
  • Ultrasound-guided biopsy provides high diagnostic accuracy with minimal risk.

Conclusions:

  • Percutaneous and endoscopic ultrasound are essential tools for lymph node evaluation.
  • Sonography, complemented by biopsy, is critical for staging malignancies and diagnosing lymphadenopathies.
  • While ultrasound has limitations, it significantly aids clinical investigation.