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Computed tomography in bronchogenic carcinoma.

H I Libshitz1

  • 1Diagnostic Radiology Department, University of Texas M.D. Anderson Cancer Center, Houston 77030.

Seminars in Roentgenology
|January 1, 1990
PubMed
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Computed tomography (CT) use in lung cancer diagnosis lacks consensus, varying with physician beliefs. Radiologists must understand these philosophies to guide effective CT application for bronchogenic carcinoma evaluation.

Area of Science:

  • Medical Imaging
  • Oncology
  • Thoracic Surgery

Background:

  • A consensus on the optimal use of computed tomography (CT) for evaluating bronchogenic carcinoma is lacking.
  • Clinical decisions regarding CT application are often influenced by individual physician beliefs and philosophies.

Purpose of the Study:

  • To review the current understanding and application of CT in diagnosing bronchogenic carcinoma.
  • To highlight key considerations for radiologists in advising on CT utility based on patient-specific factors and surgical philosophies.

Main Methods:

  • Review of existing literature and clinical practices regarding CT imaging in lung cancer.
  • Analysis of factors influencing the decision-making process for CT use in evaluating bronchogenic carcinoma.

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Main Results:

  • Normal mediastinal lymph nodes can exceed 1 cm; enlarged nodes do not always indicate metastasis, necessitating histologic proof.
  • CT provides less frequent, but potentially crucial, information for central lesions or peripheral lesions with hilar/mediastinal involvement.
  • Predicting chest wall or mediastinal invasion via CT is challenging and requires high certainty.

Conclusions:

  • The utility of CT in evaluating bronchogenic carcinoma is highly dependent on the treating physician's and surgeon's philosophies.
  • Radiologists must be aware of these varying approaches to effectively advise on CT's role.
  • Histologic confirmation is crucial, especially when CT findings might alter surgical plans.