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Neglected lung cancer
1Tel Aviv University, Sackler School of Medicine, Israel.
Abstract:
Pulmonary nodules of unknown nature may be cancerous and are best treated by early resection. During the past 20 years we have seen 65 patients in whom asymptomatic pulmonary nodules from 5 to 20 mm in diameter were discovered on routine roentgenograms between 1 and 4 years prior to their referral to surgery. These patients have not been investigated for cancer. Instead, they had been 'observed' or treated with antibiotics while their nodules increased in size. At the time of referral, 29 patients had widespread metastases, 28 had locally invasive State III lung cancer, eight had Stage I or Stage II lesions. Only 16 patients had their tumors resected. Sixteen patients (24.6%) survived 1 year or longer; six patients (9.3%) survived more than 2 years. Early resection of all undiagnosed pulmonary nodules is essential. 'Expectant' or antibiotic treatment of these lesions should be condemned. Educational programs for family physicians are urged.
Insights
Early resection of undiagnosed pulmonary nodules is crucial for cancer treatment. Delaying treatment or using antibiotics leads to advanced lung cancer and poor survival rates.
Area of Science:
- Pulmonology
- Oncology
- Diagnostic Imaging
Background:
- Asymptomatic pulmonary nodules discovered on routine roentgenograms require timely evaluation.
- Delayed diagnosis and treatment of pulmonary nodules can lead to advanced lung cancer.
Observation:
- A 20-year study reviewed 65 patients with asymptomatic pulmonary nodules (5-20 mm) found 1-4 years prior.
- Patients were observed or treated with antibiotics instead of immediate cancer investigation.
Findings:
- At referral, 29 patients had widespread metastases, 28 had Stage III lung cancer, and 8 had Stage I/II lesions.
- Only 16 patients underwent tumor resection, with 1-year survival for 24.6% and 2-year survival for 9.3%.
Implications:
- Early resection of all undiagnosed pulmonary nodules is essential for improved lung cancer outcomes.
- "Expectant" management or antibiotic therapy for these lesions is strongly discouraged.
- Educational initiatives for family physicians are recommended to improve early detection and management.