Benign abnormalities and carcinoid tumors of the central airways: diagnostic impact of CT bronchography.

Benign abnormalities and carcinoid tumors of the central airways: diagnostic impact of CT bronchography. Research Abstract Details 

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Benign abnormalities and carcinoid tumors of the central airways: diagnostic impact of CT bronchography. Abstract Text:

G R Ferretti,F Thony,J L Bosson,C Pison,F Arbib,M Coulomb,

OBJECTIVE: The purpose of this retrospective study was to determine the added diagnostic value, if any, of CT bronchography for the detection and characterization of benign abnormalities and typical carcinoid tumors of the central airways. MATERIALS AND METHODS: We used bronchoscopy and helical CT to examine 238 bronchial sections in 28 patients with 32 bronchial abnormalities and in five patients with normal bronchoscopy results. Postprocessing consisted of CT bronchography based on surface rendering. Images were interpreted independently by two observers (a radiologist and a pneumonologist) who were not informed of the bronchoscopy results. After initial interpretation of axial CT scans, the observers analyzed the axial CT scans with CT bronchograms. Results were evaluated for gain in diagnostic accuracy and in confidence. RESULTS: Mean sensitivity for detection of abnormal bronchial sections was 89% (range, 87-90%) for axial CT and 92% (range, 90-94%) for axial CT with CT bronchography (not significant). Mean specificity of both approaches exceeded 99%. A correct diagnosis of the nature of the bronchial abnormalities was proposed for 68% of the cases in which axial CT was used alone and in 76% in which both axial CT and CT bronchography were used (not significant). The addition of CT bronchography significantly increased the confidence of the pneumonologist in the diagnoses. CONCLUSION: Axial CT remains the technique of choice to detect and characterize benign abnormalities of the airways. CT bronchography provides little diagnostic gain but increases the confidence of chest physicians in the interpretation of CT scans for the assessment of benign abnormalities and typical carcinoids of the central airways.

Benign abnormalities and carcinoid tumors of the central airways: diagnostic impact of CT bronchography. Publishing Authors By Initials

GR Ferretti,F Thony,JL Bosson,C Pison,F Arbib,M Coulomb,

For similar respiratory tract diseases: tracheal diseases research abstracts see: respiratory tract diseases: tracheal diseases research

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Benign abnormalities and carcinoid tumors of the central airways: diagnostic impact of CT bronchography. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: AJR. American journal of roentgenology

VOLUME: 174

Page Numbers: 1307-13

Journal Abbreviation:

ISSN: 0361-803X

DAY: 15

MONTH: May

YEAR: 2000

Benign abnormalities and carcinoid tumors of the central airways: diagnostic impact of CT bronchography. Information

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LANGUAGE: eng

NlmUniqueID: 7708173

Benign abnormalities and carcinoid tumors of the central airways: diagnostic impact of CT bronchography. Keywords Mesh Terms:

KEYWORDS: Tracheal Diseases

MESH TERMS: radiography

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Grant and Affiliation Information for Benign abnormalities and carcinoid tumors of the central airways: diagnostic impact of CT bronchography.

AFFILIATION: Department of Radiology, Hôpital Michallon, Centre Hospitalier Universitaire, Grenoble, France.

Country: UNITED STATES

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MEDLINETA: AJR Am J Roentgenol

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