CT-based definition of thoracic lymph node stations

An atlas from the University of Michigan

Olivier Chapet, Feng Ming Kong, Leslie E. Quint, Andrew C. Chang, Randall K. Ten Haken, Avraham Eisbruch, James A. Hayman

Research output: Contribution to journalArticle

99 Citations (Scopus)

Abstract

Purpose: Accurate delineation of the mediastinal and hilar lymph node regions is essential for a reproducible definition of target volumes used in conformal irradiation of non-small-cell lung cancer. The goal of this work was to generate a consensus to delineate these nodal regions based on definitions from the American Joint Committee on Cancer. Methods and Materials: A dedicated thoracic radiologist, thoracic surgeon, medical physicist, and three radiation oncologists were gathered to generate a three-dimensional radiologic description for the mediastinal and hilar nodal regions on axial CT scans. This paper proposes an atlas of most of the lymph node stations described by Mountain and Dresler. Results: The CT boundaries of lymph node stations 1-2, 3, 4, 5, 6, 7, 8, 10-11 were defined on axial CT, along with image illustrations. Conclusion: These CT-based illustrative definitions will provide guidelines for clinical practice and studies evaluating incidental radiation in radiotherapy. Studies are ongoing at the University of Michigan to measure quantitatively the incidental nodal radiation received by patients with non-small-cell lung cancer.

Original languageEnglish (US)
Pages (from-to)170-178
Number of pages9
JournalInternational Journal of Radiation Oncology Biology Physics
Volume63
Issue number1
DOIs
StatePublished - Sep 1 2005

Fingerprint

Atlases
lymphatic system
Thorax
stations
Lymph Nodes
cancer
Non-Small Cell Lung Carcinoma
lungs
radiation
Radiation
surgeons
delineation
Practice Guidelines
mountains
radiation therapy
Radiotherapy
irradiation
Neoplasms

Keywords

  • CT scan
  • Delineation
  • Lung
  • Nodes
  • Radiotherapy
  • Reproducibility

ASJC Scopus subject areas

  • Radiation
  • Oncology
  • Radiology Nuclear Medicine and imaging
  • Cancer Research

Cite this

CT-based definition of thoracic lymph node stations : An atlas from the University of Michigan. / Chapet, Olivier; Kong, Feng Ming; Quint, Leslie E.; Chang, Andrew C.; Ten Haken, Randall K.; Eisbruch, Avraham; Hayman, James A.

In: International Journal of Radiation Oncology Biology Physics, Vol. 63, No. 1, 01.09.2005, p. 170-178.

Research output: Contribution to journalArticle

Chapet, Olivier ; Kong, Feng Ming ; Quint, Leslie E. ; Chang, Andrew C. ; Ten Haken, Randall K. ; Eisbruch, Avraham ; Hayman, James A. / CT-based definition of thoracic lymph node stations : An atlas from the University of Michigan. In: International Journal of Radiation Oncology Biology Physics. 2005 ; Vol. 63, No. 1. pp. 170-178.
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