Safety and utility of performing CT‐guided biopsies of pulmonary lesions that arise after radiotherapy

Summary This study aimed to evaluate the feasibility, safety and usefulness of performing computed tomography (CT)‐guided biopsies of pulmonary lesions that arise after radiotherapy. Seventeen patients (14 males and 3 females; median age: 69 years, range: 48–84 years) underwent CT‐guided biopsies of...

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Bibliographic Details
Published in:Journal of medical imaging and radiation oncology 2021-06, Vol.65 (3), p.317-322
Main Authors: Ohta, Kengo, Shimohira, Masashi, Ogino, Hiroyuki, Nagai, Keiichi, Sawada, Yusuke, Nakayama, Keita, Shibamoto, Yuta
Format: Article
Language:English
Subjects:
Biopsy
Computed tomography
CT‐guided biopsy
Diagnosis
Feasibility
Lesions
lung
Pneumothorax
Pulmonary lesions
Radiation therapy
radiotherapy
Safety
Sampling error
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Summary:Summary This study aimed to evaluate the feasibility, safety and usefulness of performing computed tomography (CT)‐guided biopsies of pulmonary lesions that arise after radiotherapy. Seventeen patients (14 males and 3 females; median age: 69 years, range: 48–84 years) underwent CT‐guided biopsies of pulmonary lesions that occurred in lung regions that had previously been treated with radiotherapy. Three patients underwent CT‐guided biopsies twice, and thus, the total number of procedures was 20. We reviewed the subjects’ medical records and images, and evaluated the rate for obtaining pathological diagnosis with the biopsy sample, subsequent clinical course, and complications associated with the procedure. In 19 of 20 procedures (95%), the CT‐guided biopsy resulted in a pathological diagnosis being obtained. In 14 procedures, the pathological results were consistent with the patients’ clinical courses. In the remaining 5 procedures, the lesions were pathologically diagnosed as benign, but they increased in size thereafter; so the lesions were considered to be clinically malignant. The results were considered to represent sampling errors. There were 3 minor complications (slight pneumothorax which did not require drainage) (3/20, 15%), and there were no major complications. In conclusion, performing CT‐guided biopsies of pulmonary lesions that arise after radiotherapy appears to be feasible, safe and useful.
ISSN:1754-9477
1754-9485
DOI:10.1111/1754-9485.13172