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Small pulmonary lesions detected at CT: clinical importance
R F Munden1, R D Pugatch, M J Liptay
1Department of Radiology, Brigham and Women's Hospital, Boston, Mass, USA.
Radiology
|January 1, 1997
Summary
A significant portion of small pulmonary nodules removed via video-assisted thorascopic surgery were malignant, often primary lung cancer. Early diagnosis is crucial, especially in patients with a history of cancer, to guide treatment effectively.
Area of Science:
- Pulmonary Medicine
- Thoracic Surgery
- Diagnostic Pathology
Background:
- Small pulmonary nodules detected by computed tomography (CT) require accurate histopathologic diagnosis.
- Video-assisted thorascopic surgery (VATS) is a common method for resecting these lesions.
Purpose of the Study:
- To evaluate the histopathologic findings of pulmonary nodules 1 cm or smaller.
- To correlate findings with patient history of malignancy.
Main Methods:
- Retrospective review of clinical, radiologic, and histopathologic data.
- Analysis of 64 patients undergoing VATS resection of small pulmonary lesions.
Main Results:
- 58% of resected lesions were malignant.
- In patients without prior malignancy, 38% had lung carcinoma.
- In patients with prior malignancy, 81% of lesions were malignant, including second primary lung cancers.
Conclusions:
- Malignant small pulmonary nodules frequently represent primary bronchogenic carcinoma.
- Accurate diagnosis significantly impacts treatment planning, especially in patients with a prior cancer history.
- Early biopsy is recommended for definitive diagnosis of these lesions.