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Clinical Investigations: TUBERCULOSIS |

Clinical and Chest Radiographic Findings Among Persons With Sputum Culture Positive for Mycobacterium gordonae*: A Review of 19 Cases

Paul B. Eckburg, MD; Eric O. Buadu, MD; Paul Stark, MD; Priscilla S. A. Sarinas, MD, FCCP; Rajinder K. Chitkara, MD, FCCP; Ware G. Kuschner, MD
Author and Funding Information

*From the Medical Service, Pulmonary Section (Drs. Eckburg, Buadu, Sarinas, Chitkara, and Kuschner), Veterans Affairs Palo Alto Health Care System, and Department of Medicine, Division of Pulmonary and Critical Care Medicine, Stanford University School of Medicine; and Department of Radiology (Dr. Stark), Veterans Affairs Palo Alto Health Care System and Stanford University School of Medicine, Palo Alto, CA.

Correspondence to: Ware G. Kuschner, MD, 3801 Miranda Ave, Mail Stop 111 P, Palo Alto, CA 94304; e-mail: kuschner@leland.stanford.edu



Chest. 2000;117(1):96-102. doi:10.1378/chest.117.1.96
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Study objectives: To describe the clinical and radiographic findings associated with growth of Mycobacterium gordonae in cultured sputum and to determine the proportion of cases that fulfill criteria for nontuberculous mycobacterial pulmonary disease as established by the American Thoracic Society.

Design: A retrospective review of charts and radiographs of all patients from whom M gordonae was isolated from sputum cultures between November 1996 and June 1998.

Setting: University-affiliated Veterans Affairs hospital.

Patients: Nineteen patients were identified with sputum culture positive for M gordonae. All patients had a chest radiograph within 1 month of sputum culture.

Results: Sixteen patients (84%) had suppressed local and/or general immunity. Sixteen patients (84%) had respiratory symptoms, weight loss, fever, or night sweats as an indication for chest radiography. Seventeen patients (89%) had abnormal chest radiographs; however, no typical radiographic pattern was observed. No patient met diagnostic criteria for nontuberculous mycobacterial pulmonary disease as delineated by the American Thoracic Society. All patients with abnormal chest radiographs and/or respiratory symptoms ultimately had alternative explanations for their pulmonary disease.

Conclusions: There is a broad spectrum of chest radiographic findings among persons with sputum culture positive for M gordonae, arguing against the presence of a characteristic chest radiograph in this patient population. M gordonae is usually a nonpathogenic colonizing organism, even among persons with local or general immune suppression and abnormal chest radiograph findings.


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