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Related Concept Videos

Detailed Structure and Function of Lymph Nodes01:23

Detailed Structure and Function of Lymph Nodes

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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.
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Consider an angioplasty system featuring a catheter equipped with a turbine, a critical tool for removing plaque deposits from coronary arteries. This intricate medical device operates using a circuit model reminiscent of a dual-node RLC circuit powered by a current-controlled voltage source.
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Blood and lymph are fluid connective tissues. They contain cells, also known as formed elements, circulating in a liquid extracellular matrix, the plasma. The formed elements are derived from hematopoietic stem cells in the bone marrow. Blood and lymph connect all vital parts and carry nutrients, oxygen, and other essential molecules like antibodies.
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Related Experiment Video

Updated: Feb 1, 2026

Visualizing Lymph Node Structure and Cellular Localization using Ex-Vivo Confocal Microscopy
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Visualizing Lymph Node Structure and Cellular Localization using Ex-Vivo Confocal Microscopy

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Localization of the Metastatic Site Within a Lymph Node Using Endobronchial Elastography.

Yuki Shiina1, Takahiro Nakajima1, Hidemi Suzuki1

  • 1Department of General Thoracic Surgery, Chiba University Graduate School of Medicine, Chiba, Chiba, Japan.

Seminars in Thoracic and Cardiovascular Surgery
|December 12, 2018
PubMed
Summary

Endobronchial elastography visualizes tissue stiffness, aiding lung cancer nodal staging. This novel technique identified mediastinal lymph node metastasis in a squamous cell carcinoma patient.

Keywords:
Elastography painEndobronchial ultraasound-guided transbronchial needle aspirationLymph node metastasisNon-small cell lung cancer

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Area of Science:

  • Pulmonology
  • Oncology
  • Medical Imaging

Background:

  • Nodal staging is crucial for lung cancer treatment decisions.
  • Endosonographic needle biopsy has limitations, including potential false negatives due to micrometastasis.
  • Accurate lymph node assessment is vital for effective lung cancer management.

Observation:

  • Endobronchial elastography is an emerging imaging modality.
  • It visualizes the relative stiffness of targeted tissues.
  • This technique offers potential for differentiating malignant from benign lymph nodes.

Findings:

  • Endobronchial elastography was utilized for nodal staging in a lung cancer patient.
  • The technology successfully visualized a metastatic site within a mediastinal lymph node.
  • This allowed for the identification of metastasis in a patient with squamous cell carcinoma.

Implications:

  • Endobronchial elastography may improve the accuracy of lung cancer nodal staging.
  • It could help overcome limitations of traditional needle biopsy, reducing false negatives.
  • This technology shows promise for identifying high-risk areas within lymph nodes for targeted biopsy.