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[Lung cancer in COPD--a clinical analysis]
Marta Maskey-Warzechowska1, Joanna Domagała-Kulawik, Renata Rubinsztajn
1Katedra i Klinika Chorób Wewnetrznych, Pneumonologii i Alergologii AM w Warszawie.
Polskie Archiwum Medycyny Wewnetrznej
|December 13, 2002
Summary
Patients with chronic obstructive pulmonary disease (COPD) and lung cancer had more pack years and severe COPD. COPD complicates lung cancer diagnosis and treatment, necessitating screening for lung cancer in COPD patients.
Area of Science:
- Pulmonology
- Oncology
- Internal Medicine
Background:
- Increased lung cancer morbidity observed in patients with chronic obstructive pulmonary disease (COPD).
- Identifying risk factors for lung cancer in COPD patients is crucial.
Purpose of the Study:
- To analyze risk factors for lung cancer in COPD patients.
- To compare COPD patients with and without lung cancer.
Main Methods:
- Analysis of smoking history, pulmonary function tests, arterial blood gases, and laboratory investigations.
- Comparison between 46 COPD patients with lung cancer (group I) and 46 COPD patients without lung cancer (group II).
Main Results:
- Higher mean pack years (55.5 vs 40.0) and severe COPD prevalence (55.8% vs 42.1%) in the lung cancer group.
- Significantly higher fibrinogen levels in the lung cancer group.
- Advanced lung cancer stages (III and IV) diagnosed in 63.4% of patients; pathological diagnosis missed in 15.2% due to poor condition.
Conclusions:
- Chronic obstructive pulmonary disease (COPD) presents significant challenges in diagnosing and treating primary lung cancer.
- Coexisting COPD necessitates careful evaluation for concurrent lung cancer.