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January 1, 1982Radiology

Comparison of plain radiography, conventional tomography, and computed tomography in detecting intrathoracic lymph node metastases from lung carcinoma.

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Authors

DODustin OsborneUniversity of Tennessee at Knoxville MKMelvyn KorobkinUniversity of Michigan CRCarl E. RavinDuke University

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Implication

Comparative study reveals limited staging accuracy among radiography, conventional tomography, and CT in lung carcinoma, suggesting their main utility is guiding biopsy.

Key Points

Compare the diagnostic accuracy of plain radiography, conventional tomography, and computed tomography in detecting intrathoracic lymph node metastases in patients with bronchogenic carcinoma.
Evaluated 42 patients with T2 bronchogenic carcinoma using chest radiography, 55-degree oblique hilar and anteroposterior mediastinal tomography, and computed tomography (CT).
Definitive nodal staging was confirmed by thoracotomy and histopathological examination of resected tissue.
Overall diagnostic accuracy was generally equivalent across plain radiography, conventional tomography, and CT, with none demonstrating sufficient accuracy for routine staging.
In 25 patients with nodal enlargement, mediastinal CT exhibited higher sensitivity but not higher specificity compared to radiography and conventional tomography.
Conventional tomography provided no diagnostic accuracy advantage over CT for hilar node assessment.

Cite This Study

Osborne et al. (1982) studied this question.

synapsesocial.com/papers/6a7e13f0efb6c265945bf922 https://doi.org/10.1148/radiology.142.1.7053525

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Implication

Comparative study reveals limited staging accuracy among radiography, conventional tomography, and CT in lung carcinoma, suggesting their main utility is guiding biopsy.

Comparison of plain radiography, conventional tomography, and computed tomography in detecting intrathoracic lymph node metastases from lung carcinoma.

Discussion

Member takes

Implication

Key Points

Cite This Study

Comparison of plain radiography, conventional tomography, and computed tomography in detecting intrathoracic lymph node metastases from lung carcinoma.

Discussion

Member takes

Implication

Key Points

Cite This Study

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