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Related Experiment Videos

An overview of neck node sonography.

Anil Ahuja1, Michael Ying

  • 1Department of Diagnostic Radiology and Organ Imaging, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong. aniltahuja@cuhk.edu.hk

Investigative Radiology
|May 22, 2002
PubMed
Summary

Ultrasound features differentiate cervical lymph node types. Gray scale and Doppler sonography can distinguish metastatic, lymphomatous, and tuberculous nodes from reactive ones in clinical practice.

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Area of Science:

  • Radiology
  • Oncology
  • Pathology

Background:

  • Cervical lymphadenopathy evaluation commonly uses gray scale and power Doppler sonography.
  • Identifying specific ultrasound features applicable in routine practice is crucial for accurate diagnosis.

Purpose of the Study:

  • To determine which gray scale and Doppler sonographic features of cervical lymph nodes are most useful in routine clinical practice.
  • To differentiate between metastatic, lymphomatous, tuberculous, and reactive cervical lymph nodes using ultrasound.

Main Methods:

  • Included 286 patients with cervical lymphadenopathy, assessing the largest node in each.
  • Assessed lymph nodes using gray scale and Doppler sonography features.
  • Correlated sonographic findings with fine-needle aspiration cytology results.

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Main Results:

  • Metastatic, lymphomatous, and tuberculous nodes often presented as round with absent echogenic hilus and sharp borders.
  • Vascularity patterns (capsular/mixed) were common in malignant/infectious nodes but absent in reactive nodes.
  • Specific features like micronodular pattern (lymphoma), hyperechogenicity/calcification (thyroid papillary carcinoma), and cystic necrosis (tuberculosis) were identified.

Conclusions:

  • Gray scale and power Doppler sonography can differentiate metastatic, lymphomatous, and tuberculous nodes from reactive nodes.
  • Specific diagnoses such as papillary thyroid carcinoma metastases, lymphoma, and tuberculosis are identifiable.
  • Distinguishing between certain metastatic cancers (squamous cell, nasopharyngeal, infraclavicular) and tuberculous lymphadenitis remains challenging.