Chest
CRITICAL REVIEWClinical Manifestations of Lung Cancer
Section snippets
ASYMPTOMATIC PHASE
Study of serial x-ray films has revealed that some localized lung cancers grow slowly and lesions can be identified on previous chest films for several years. Rigler et al,12, 13 traced tumors back for more than five years and in a group of operable patients for an average of three years. Extensive personal experience agrees with these reports. Nevertheless, other patients with rapidly growing nonresectable lung cancer have been found to have normal chest roentgenograms taken only three months
CLINICAL PICTURE: GENERAL
Most patients with lung cancer have respiratory symptoms when seen by the physician. Cough is common, with or without sputum. Blood streaking may be noted from ulceration of the tumor, and some patients report dyspnea and chest pain. Symptoms are usually minimal in the early stages, and the disease develops insidiously. Occasionally, however, hemoptysis occurs, which brings the patient to the physician more quickly. At other times, the first medical visit results because of secondary
Cough and Sputum
More than 99 percent of our 2,000 men with lung cancer have smoked cigarettes for some time, and cough was reported by 73 percent of patients. The frequency of this complaint on initial presentation of the patients with lung cancer varies widely in different series betweeen 21 and 87 percent (Table 1). Cough may be produced by a small tumor acting as a foreign body interfering with bronchial peristalsis, or by ulceration of bronchial mucosa. Prolonged cigarette smoking produces paralysis of
Chest Pain
When chest pain is constant and penetrating, it is usually related to invasion of the parietal pleura by tumor. Severe chest pain requiring narcotics is almost always caused by pleural metastases. Superior sulcus tumor often produces constant pain involving the shoulder and arm because of invasion of the brachial plexus. Other signs found are weakness of the hand and Homer's syndrome. Persistent chest pain with destruction of a portion of the bony thorax is most often caused by squamous cell
INFECTION AND SYSTEMIC INVOLVEMENT
Secondary infection causes increased cough, sputum, and fever related to bronchitis, bronchopneumonia, or lung abscess. Recovery from infection may be prompt or delayed, depending on bronchial patency, bronchial peristalsis, and type of organism. Fever may occur in the absence of evident infection.
Delayed resolution of pneumonia requires bronchoscopy, sputum examinations for tumor cells, consideration of possible lung neoplasm, and evaluation for possible thoracotomy.
Systemic symptoms of
Nonmetastatic Neurologic Syndromes
The cause of nonmetastatic neuromyopathy is unknown, and symptoms often appear before the cancer is recognized. The two may pursue independent courses. Corticocerebellar degeneration manifested by vertigo and ataxia usually is accompanied by marked mental changes. Onset is acute and in a few weeks the patient is unable to walk or stand. Peripheral neuropathies also occur with severe and persistent paresthesias, pains in the limbs with loss of most sensation, but little muscle weakness or
ACKNOWLEDGMENTS
This report is based on a cooperative study at the various Veterans Administration hospitals listed below, supported as collaborative research under an interagency agreement between the Veterans Administration and the National Cancer Institute.
Coordinator: Lyndon E. Lee, Jr., M.D., Assistant Chief Medical Director for Professional Services, Department of Medicine and Surgery, Veterans Administration Central Office, Washington, D.C.
Principal Investigators: Ann Arbor, Mich., Robert A. Green, M.D.
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Manuscript submitted August 31; accepted October 17.