Benign pulmonary nodules excised for suspicion of malignancy. Experience in 140 patients Background: The management of incidental pulmonary nodules discovered during imaging studies may range from clinical observation, percutaneous needle aspiration to open surgery. The predictive value for malignancy of imaging studies is low. Aim: To report our experience with nodular pulmonary lesions suggestive of lung cancer and subsequently proven benign on histological examination. Material and Methods: A retrospective analysis of the medical records of 140 patients aged 59 ± 15 years (107 males) in whom a focal pulmonary lesion was excised at our institution from October 1984 to august 2007. Computed tomography and pathology reports were reviewed for all patients. Fluorine-18-flurodeoxyglucose positron emission tomography studies were performed on 43 patients. Lesions were excised by thoracotomy and video-assisted thoracoscopy, and sternotomy. All lesions were diagnosed as benign on pathology. Results: One patient died in the postoperative period. Pathologic diagnoses of the surgical pieces were granulomatous inflammation in 65%, hamartomas in 12%, pneumonia or pneumonitis in 10%, fibrosis in 4% and other in 9%. Fluorine-18fluorodeoxyglucose positron emission tomography imaging suggested malignancy in 22 of 43 patients. Conclusions: Despite thorough clinical assessment, advanced imaging technology, and needle biopsy, many patients continue to undergo surgery for benign diseases. Aggressive attempts to diagnose and treat early stage lung cancer must be tempered with understanding.
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