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Abstract: Poster Presentations |

CT-GUIDED BIOPSY OF LUNG LESIONS USING A COAXIAL SYSTEM TO OBTAIN CORE SAMPLES FREE TO VIEW

Girish Trikha, MD*; Rolf Grage, MD; Ernest Scalzetti, MD; Ali Kanchwala, MD
Author and Funding Information

SUNY Upstate Medical University, Syracuse, NY


Chest


Chest. 2007;132(4_MeetingAbstracts):592b. doi:10.1378/chest.132.4_MeetingAbstracts.592b
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Abstract

PURPOSE: Evaluate the utility of CT guided core needle biopsy of lung lesions and associated complications.

METHODS: A retrospective review was performed in 123 patients at a University Hospital. Computed tomography was used to guide a coaxial needle, and perform true cut needle core biopsy. Data including the region of the lung involved, size of the lesion, gauge of the biopsy needle, and complications including pneumothorax and hemorrhage was collected. Pathology data to determine diagnostic yield and misdiagnosis was examined.

RESULTS: The average size of the lesion was 26mm. The overall diagnostic yield for coaxial TNB was 99.7%. Misdiagnosis was made in 3 cases. Malignancy was diagnosed in 64% (78), whereas a specific benign diagnosis was obtained in 31% (38). Infection was diagnosed in 3 cases. Pneumothorax occurred in 35% (43) but only 5% (7) of patients had a moderate to large pneumothorax requiring in chest tube placement.

CONCLUSION: CT guided TNB performed with a coaxial true cut needle biopsy provides an accurate diagnosis in the majority of patients with a low rate of complication.

CLINICAL IMPLICATIONS: Coaxial true cut needle biopsy should be considered a safe procedure, with a high diagnostic yield for small lung lesions.

DISCLOSURE: Girish Trikha, No Financial Disclosure Information; No Product/Research Disclosure Information

Wednesday, October 24, 2007

12:30 PM - 2:00 PM


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